What is laser engraving

Metal laser engraving technology

[Laser engraving] can add an unusual design to absolutely any item and make it unique.

Laser engraving on metal can make even the simplest gift unusual - which is why many are interested in how this process is carried out at home with their own hands?

From the article you will learn about the features of laser engraving at home and in production, and also find out what materials, tools and machine you will need to do it yourself.

After receiving the information, if you wish, you can repeat the whole process yourself and create unusual pictures using engraving.

Do-it-yourself engraving

Laser engraving is a common service that is often ordered to make a gift for a memorable date.

For example, engraving is often done on wedding rings, pendants, bracelets, as well as knives, computers and laptops - all this allows you to make an item unique for little money.

Engraving can be not only laser, but also done using a graver or engraver.

Even if you decide not to seek the help of a specialist, but to do the engraving yourself, you will need special materials.

Although, in general, you can engrave a metal product with any sharp object, but in this case the work will turn out sloppy and ugly.

The best tools for DIY work are engravers or dremels - special tools for engraving.

Such a manual machine can work both from the power supply and remotely from it, that is, you can use it in almost any place convenient for you - it is not at all necessary to have your own workshop, you can work at home.

There are different models of engravers - for example, engravers equipped with a bracket are quite popular - such a device is easier to use, because It is possible to install it and free your hands.

An engraving machine is not the only tool you will need.

You will also need to purchase several drills that can work with different surfaces.

Such tools are varied in size and appearance, as they have a wide range of functionality. The diamond drill is considered the most durable, but there are many others.

The most commonly used surfaces for engraving are glass and metal, so purchasing drill bits for these materials will be enough to get you started.

IMPORTANT TO KNOW: What do you need to know about metal corrosion inhibitors?

The entire process of engraving with your own hands takes place in three stages: first you need to transfer your chosen design or inscription to a metal or other surface.

You can do this with a regular marker or pencil, or draw a pattern yourself. If you have chosen a complex design, you can apply it to the metal using carbon paper.

After this, the product is directly engraved, and you need to work with the tool in one direction so that the edges of the design are even.

While working, you need not only the necessary materials, but also good lighting to control the process and immediately notice irregularities.

The last step is to apply a protective coating to the finished design, and the engraving can be considered complete.

Metal engraving is the most impressive and frequently used - with its help you can apply not only inscriptions and small drawings to the surface, but also create large-scale images, make panels and paintings.

However, if you have never done this process yourself, then difficulties may arise: the edges of the image will spread out, become blurry and uneven.

It is also possible that the image itself may be deformed, have an incorrect appearance, etc.

If you want the job done well, it's best to hire a professional when it comes to large images.

Considering that laser engraving is not that expensive, you don’t have to do everything yourself.

If you want to master this art, start with small images and inscriptions, and only then move on to large objects.

Engraving in production

To create large paintings, laser engraving is most often used as the most effective.

To work with metal, a craftsman will need the following materials:

• a metal sheet;
• protective varnish;
• tracing paper;
• engraver with metal bur.

Laser engraving in a workshop is of higher quality, due not only to the skill of the person doing the engraving, but also due to the fact that the machine and apparatus for the work are of a higher quality.

However, all stages of the work will be similar, regardless of whether you do the engraving yourself or entrust it to a professional.

Before starting work, you need to sand and polish the sheet from the front side, and then degrease it with acetone or gasoline using a swab.

After this, you cannot touch the surface with your hands, otherwise marks will remain, so use tweezers to move the sheet.

Laser cutting and engraving is done on a prepared base, so first you need to tone the surface. To do this, you will need a sulfur solution, which you can also make with your own hands.

IMPORTANT TO KNOW: Device for bending profile pipes

Tint the metal with a swab dipped in the solution. It is necessary to cover the entire surface with the mixture so that the color is distributed evenly and no stains appear.

Then the surface must be rinsed with water to remove any remaining solution. To apply a drawing you need special materials - tracing paper on which the image is applied.

The tracing paper is fixed on the outside of the brass metal sheet. When installing tracing paper, its edges should extend beyond the sheet of metal and be bent.

It is fixed using rubber glue - this is what they use, because... after finishing work it is easy to remove; other materials do not have such advantages.

Before using the laser engraving equipment directly, you need to trace the outline of the image using a sharp needle so that a thin mark remains on the surface.

Then you need to take a bur for working with metal, insert it into the tip, on the other side of which there is a flexible hose, and re-trace the image along the contour.

If the work takes place in a workshop, then the specialist will immediately begin tracing the drawing, but if you do everything with your own hands and you have no experience, then it is better to first practice on other metal surfaces so as not to get a defect.

Outlining is the easiest thing to do.

After this, you need to completely outline the entire drawing, your hand should act in the same way as if the image was drawn from scratch with a pencil: that is, you need to avoid sudden, intermittent movements, skipping lines, etc., otherwise you won’t get a high-quality image.

First, the outline and the largest details are applied to the surface, and then smaller objects are drawn.

When ordering engraving at a production facility, professionals will make you not only a drawing, but also shadows and other elements to make the picture more realistic.

They are made by drawing lines, circles, strokes, etc. on the metal, and the shadow line is made using a bur, passing it several times over the same desired place. For all these processes, laser engraving is used.

IMPORTANT TO KNOW: Composition and application of alloy steel

After engraving is completed, the entire design must be covered with a protective coating: for this you can use colorless varnish or liquid wax, which is applied to the surface using a swab.

After applying the protective layer, the surface should be wiped with a dry cloth.

The last step in creating an engraving in production is to install the metal picture on a wooden base - the installation will make the object more durable and easier to place on the surface you need.

The laser engraving procedure is widely used in souvenirs and promotional products.

Very often you can find paintings or engraving details on collectible weapons, lighters, telephones and other equipment, knives, flasks, etc.

Despite the fact that engraving in production is a more subtle and precise procedure, you can easily master it yourself with the help of instructions; laser photo engraving will also help you with this - this way you can trace and repeat all stages of the work.

Both when ordering and when working independently, you need to take into account that the laser engraved design should not be too superficial, since the depth of the image affects its durability.

Also remember that thin sheets of metal require installation on some kind of support, usually wood. This way the painting will become durable and the risk of deformation will be minimized.

Engraving in production can look much more interesting than done by yourself, since the machine installed in a professional workshop is more powerful and has more functionality.

For example, a CNC machine can work with a special engraving paste that allows you to create contrasting patterns on the surface.

Any production machine equipped with a laser for engraving will help bring even your most unusual ideas to life, so if you lack the proper experience, it is best to choose custom engraving rather than do it yourself.

Source: https://rezhemmetall.ru/lazernaya-gravirovka-na-metalle.html

Laser engraving and cutting | Master Sign

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LATEST ENGRAVING JOBS:

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SAMPLES OF LASER CUTTING WORK:

Placemats for a plate with a napkin holder, felt Decorative pendants, felt Decorative pendants, felt Decorative pendants, felt Gift set Decorative pendants, felt Decorative pendants, felt Easter basket, felt Organizer, plexiglass Candlestick Stand for a mug, felt New Year's pendants, felt, plywood Tabletop double-sided calendar New Year's card New Year's card Desk clock, alder New Year's souvenir Barrel decoration

What is laser engraving?

Laser engraving is the removal of the surface layer of a material to obtain the desired image using laser radiation. Under the influence of a clearly focused laser beam, a thin layer of material is removed from the surface, which leads to a change in the color of the surface layer and the appearance of a relief image. By adjusting the speed and power of the laser beam, you can achieve the best result for a specific type of product.

Properties of laser engraving

- Speed. It is enough to prepare the project in electronic form, and we will load it into the computer and apply the necessary graphics or text information to the object. - Accuracy. The thickness of the laser beam is incredibly small - only 0.1 millimeters. You can be sure that the lines applied to the metal will be very thin, and the image will be neat and beautiful. - Versatility. Laser engraving can be applied to almost any type of material. - Durability. Laser-applied designs or letters will not be erased even with prolonged mechanical impact and will remain in their original form for many years. The color of the engraving is determined by the material of the product and can be changed in some cases using special chemicals or other materials (similar to appliqué).

Where is laser engraving used?

Produced on industrial parts, light bulbs, locks, keys, instrument panels, fittings, etc. In addition, in our company you can order the production of tags, labels, numbers, tokens, badges, plates (information signs), seals, and other decorative elements. Such products are manufactured using laser cutting (laser cutting).

What is blackening?

Blackening when engraving metals is an additional processing of the engraved image to give it a black tint using a chemical reagent (chemical blackening) or using several engraving modes (mechanical blackening). Chemical blackening does not always lead to positive results - some alloys either do not react to the solution or react to it inadequately. Therefore, when using chemical blackening, a test is first made on one copy, the product is kept for a day, and only after that the entire batch is blackened. Mechanical blackening can only be applied to stainless steel items and gives the image a darker (but not black) color.

Blackening is an additional service and is subject to additional payment. When using blackening, it is necessary to take into account an increase in printing time of 1-2 days.

What is laser cutting (laser cutting)?

Laser cutting is a technology used to create signs, nameplates, tags, etc. from non-metallic materials. At the same time, the edge remains smooth and clear even in the process of manufacturing products with a complex contour. Suitable for plexiglass, acrylic, plastic, wood, paper, cardboard, leather, rubber.

Advantages of laser cutting:

— high-precision cutting method that does not require unnecessary material consumption; — high cutting speed; — the ability to obtain a high-quality cut that does not require additional processing;

— the ability to produce products of any complexity in any quantity.

Technical requirements and printing features

1. The color of the engraving depends on the color of the product's substrate and cannot be predicted in advance.
2. The minimum thickness of lines and spaces between them is 0.2 mm, for mirror engraving - 0.5-0.7 mm, depending on the quality of the product.

   At smaller sizes, the design/inscription will merge.

3. Limit dimensions for metal surfaces: - maximum engraving field on flat surfaces - 100x100 mm; — the maximum height of the logo when engraving cylindrical surfaces is 100 mm;

   — maximum product height — 500 mm

4. Limit dimensions for non-metallic surfaces: - working field - 700x460 mm; — maximum product height — 165 mm;

   — minimum distance from the edge of the difference in heights/protrusions on the product (if any) to the logo — 15 mm

5. Engraving on copper products is not performed.
6. Additional chemical blackening of the image is only possible for products made of glossy aluminum and steel. Blackening on stainless steel is achieved by increasing the number of engraving passes with increased power.
7. When small logos are applied to cylindrical surfaces, they can be priced similarly to a flat surface (without additional markup). Circular engraving becomes for logo sizes: - for handles - more than 0.45*D, where D is the diameter of the handle;

   - for other cylindrical objects - more than the value (square root D) * 2.5, where D is the diameter of the product in mm.

8. When using a changeable parameter (names, numbers, etc.) in a layout, in addition to the layout, the font used in the layout must be provided in *TTF format. In this case, the inscription of changeable information should not be converted into curves (must be accessible for editing).

Laser engraving cost

The cost of laser engraving is determined by the type of product, the size of the applied image and the circulation (the number of identical products with the same image).

The cost of engraving may be affected by: - ​​the shape of the product (flat or cylindrical engraving); - dimensions, complexity of shape or heavy weight of products; — the need to blacken the image; — the need to obtain a mirror surface after engraving (the product must have a special

coating); — the need to finalize the file (discussed individually);

— the need to engrave urgently (discussed individually).

Equipment

For engraving on metal surfaces, the MiniMarker2 M10 laser engraving and marking system based on a fiber laser with increased speed and quality characteristics is used.
The Spirit LS 25 laser engraver is used for engraving and cutting non-metallic objects and materials. Equipping our machines with rotators allows us to perform high-quality engraving on cylindrical and conical surfaces (engraving in a circle).

Modern, high-tech equipment and qualified personnel allow us to fulfill your order for laser marking or cutting with high quality and on time.

SAMPLES OF PRODUCTS MADE USING LASER CUTTING AND ENGRAVING:

To ensure that you receive the required number of products when personalizing souvenir products, pay attention to the standards of products for adjustment (technical defects), and we also recommend taking into account the possibility of defects in the products themselves supplied for application. We also ask you to read the instructions for preparing original layouts and the list of products not recommended for application. These materials are presented in the “Workflow” section. Our managers will suggest the most profitable technologies for manufacturing your order. Our conditions are primarily attractive to large clients and advertising agencies. We are responsible for the quality of our work. We will be glad to see you in our office.

Source: https://www.masterznak.ru/application/gravirovka

NEWS: What you need to know about laser engraving

Engraving cannot be made in color. During the engraving process, no paint is applied to the product, and the image is obtained by removing part of the surface of the material. Therefore, the engraved logo cannot be made in a specific color - the color of the engraving depends on what material the item is made of.

The color of laser engraving can be difficult to predict. The next feature of engraving is essentially a continuation of the previous point, but it is still worth emphasizing this point separately - the color of the engraving is sometimes difficult to know in advance. To know what color the engraving will be, you need to understand what color the material is inside.

If this material is familiar to production, no questions arise, for example, if it is some kind of metal or plastic from which nameplates, license plates, and plaques are made, then they can tell you in advance what kind of engraving will be done. Or if it is a souvenir that often has to be engraved and the production craftsmen remember what kind of engraving is obtained on it.

But the range of souvenir products is very wide and not all items have already been produced, so if you need to know how the engraving will turn out, you may need to make a sample.

Engraving cannot be erased. The laser removes the top layer of material, which cannot be returned back. That is, if an error was made in the engraving, or the engraving was made in the wrong place, or you simply didn’t like something, then it will not be possible to erase it (as a last resort, you can try to cover the error with a nameplate)

Metal engraving

Metal is perhaps the most popular material for engraving. Engraving on metal is often done to personalize souvenirs: pens, key rings, flash drives, lighters, thermoses, flasks, business card holders, knives, flashlights, etc., wedding paraphernalia: locks, rings, and many other items.

The color of laser engraving depends on the color of the material, for example, steel and aluminum are obtained with a light “silver” engraving, brass is obtained with a yellow engraving, in some cases the engraving is mirrored (reflective). If the engraving on the metal turns out to be too light, it is sometimes additionally blackened to make it look darker.

If the metal is coated on top with chrome, paint or varnish, then the engraving will be the color of the material that is under this coating.

Wood engraving

Laser wood engraving is done on wooden handles, table clocks, cases, cutting boards and other wood products. When ordering laser engraving on wood, you must remember that wood is not uniform and therefore engraving on it may also turn out to be non-uniform. The color of the engraving depends on the type of material and on the laser setting - the engraving comes out in different shades of brown - from light brown to dark brown.

Leather engraving

Leather products are usually personalized using embossing, but in certain situations, embossing is not very profitable, for example, when the circulation of souvenirs is too small or the application must be different on all products. There may be other reasons why the choice is made in favor of engraving - the impossibility of embossing this item, extremely short deadlines.

Engraving on leather is used to personalize diaries, business card holders, wallets and other business leather goods.
In addition, you can engrave your logo on leather flash drives, key rings, watch straps, etc. Leather and leatherette are not the easiest materials for engraving - it is better not to make small inscriptions and details in the layout, as they will be difficult to see.

Laser engraving on glass

Glass engraving is used to apply logos and inscriptions to glass awards, mirrors, vases, glasses and other utensils. The application made using laser engraving on glass does not look very bright - the image is visible due to the fact that the glass at the engraving site becomes matte.

Laser engraving on plastic

Plastic is often used for the production of plates, license plates, badges, plastic watches and other products. For this purpose, special plastic is used, including two-color.

Two-color plastic is plastic sheets consisting of two layers of different colors. An object of the desired shape is cut out of them using laser cutting, and a logo or other image is applied with laser engraving. In this case, during the engraving process, one layer of material is removed and a second layer of a different color becomes visible.

To apply a logo to plastic gifts, laser engraving is used quite rarely - after all, in this case, pad printing or UV printing fits better on the plastic and looks more beautiful.

Laser engraving on fabric

To apply a logo to fabric, silk-screen printing, embroidery, thermal film printing or other methods of personalizing clothing and textile gifts are traditionally used.

But it turns out that some types of fabric can be laser engraved. This method has not yet received widespread use, but the idea is interesting. For example, you can laser engrave on jeans or fleece. And using laser cutting, you can cut out beautiful patterns on fabric (not suitable for all types of fabric)

Anti-stress pads with laser engraving

Anti-stress products made from foam rubber are quite difficult to personalize.
They are soft, so when you squeeze them, the printed logo also shrinks and the regular paint peels off. When ordering a large edition for production, you can print a logo so that it does not wear off, but not all companies have the need to buy such souvenirs in thousands of copies and then wait a long time for them to be produced and delivered.

For those companies that want their logo to remain firmly on the souvenir, manufacturers offer laser engraving. It doesn’t look very bright, and, as we have already said, it cannot be made colored, but such an application cannot be erased by anything

Source: https://martrm.ru/chto-nugno-znati-o-lazernoi-gravirovke

Laser engraving: an effective way to apply images

If you need to quickly and efficiently apply an image or inscription to any material, then there is no better method than laser engraving. Most often, this technology is used in the manufacture of souvenirs. Metal, glass, wood, ceramics, plastic, stone, leather, acrylic and others can be used as working materials. You can make a beautiful inscription on almost any product: from a miniature keychain to an elite Swiss watch.

What is unique about laser engraving technology?

Of all the existing methods, laser engraving makes it possible to obtain the most accurate and clear images. This can be achieved due to the fact that the impact is on a minimal surface area - only 10-20 microns. High precision of execution makes it possible to apply drawings in the most inaccessible areas of objects.

Engraving of mobile devices, keyboards, tablet computers, laptops and other equipment is especially popular. The printing house will be able to apply an additional layout to the keyboard or a logo to the souvenir.

During the process, the master does not even need to touch the object being processed. In addition, the laser beam produces virtually no thermal energy.

Due to this, the products do not heat up, and therefore there is no risk that they may be deformed. This point is very important when non-metal products need processing.

Using modern equipment, it is easy for a professional to complete any, even very complex, task in the field of souvenir production and printing.

Laser engraving of gift products and souvenirs

As already mentioned, the main area of ​​application of laser engraving is the production of souvenirs and gift products. Craftsmen apply a variety of designs and inscriptions on keychains, lighters, flasks, ashtrays, jewelry, etc.

In addition, engraving is very often used to personalize office supplies - business card holders, diaries, pens. This list is complemented by metal plates used to decorate offices, sports awards and various signs.

For the last group of attributes, not only the accuracy of the image is very important, but also its durability.

Laser engraving allows you to apply inscriptions that do not erase or fade for a very long time. The color and texture of the surface are chosen by the customer. In addition, it is possible to order urgent engraving. In this case, the service will cost much more, but the order will be completed within a day. On the official website of any printing house there is an online calculator, using which you can independently calculate the cost of engraving.

Engraving in the interior

Recently, decorative elements for the interior, decorated with engraving, have begun to gain momentum in popularity. Usually these are objects made of glass, cardboard or genuine leather. In this case, the maximum aesthetic effect can be achieved by combining two modern techniques at once - laser engraving and sublimated printing. The latest technology makes it possible to apply a full-color image to the surface of materials.

More and more often, clients order engraving on a mirror. Applying a unique pattern using a laser onto a mirror surface is a complex procedure that must be performed by a specialist using the latest high-precision equipment. This touch will add its own zest to the interior of the room.

Source: https://BigPicture.ru/?p=713074

Laser engraving: features and benefits

Laser engraving is a method of applying an image to a product using a laser beam. Nowadays it is in great demand because it allows you to transfer the desired inscription to any surface.

Application process

Let's pay attention to how laser engraving is done. First of all, it should be noted that this happens using a computer program, into which the corresponding parameters for the width and depth of the engraving are entered. During its operation, the beam burns through the material, creating a corresponding pattern.

There are two types of laser systems:

• solid-state (designed for metal);
• gas (used for engraving on wood, glass and leather).

If engraving is carried out on metal, the color will depend on the color and thickness of the coating. If it is, for example, wood, then the color will differ slightly from the characteristics of the outer layer.

Application to glass is not possible in all cases. For example, lead glass is practically resistant to laser action, but on matte glass, engraving can only be seen by touching it. Therefore, for such purposes it is necessary to select the right material.

The following types of glass would be ideal options for engraving:

• cast;
• container;
• leafy;
• mirrored;
• crystal;
• pressed;
• polished.

Glasses, bottles, wine glasses and mirrors are also suitable for this.

Metallography and laser engraving

Metallography, like laser engraving, is one of the ways to apply an image. Features the following advantages:

1. The coating is highly resistant. This technique can be used for outdoor advertising.
2. The printing is of high quality and resolution. This characteristic allows you to apply even small elements.

Disadvantages include:

1. Complex coating technique.
2. Small depth of color and tones.
3. High price.

For comparison, let’s analyze the positive and negative characteristics of laser engraving. Advantages:

1. This method can be used on a wide variety of materials and hard to reach areas.
2. Fast completion of work, low cost.
3. Execution accuracy.

Flaws:

1. Lack of color image.
2. The penetration depth of the beam is very difficult to control.
3. Intolerance to thermal effects of certain materials.

In answer to the question of what is better – laser engraving or metallography, we can safely say that the first option is more practical and not as labor-intensive as the second. You should also take into account the price characteristics and speed of execution of the work, which, undoubtedly, is an unconditional superiority in the first case.

Mechanical and laser engraving: comparison

Engraving is a great way to create unique items. Today there are many technologies. Let's focus on two main ones.

Mechanical engraving is carried out using a special machine with a milling cutter. This technique is quite simple, and it is also characterized by low cost. However, it should be taken into account that engraving can only be applied on planes, since the image area is limited by the device itself.

In contrast, laser engraving is done very quickly, its price is quite attractive, and it is also applicable to almost any material and surface. A significant disadvantage is that the resulting image will be short-lived and may fade over time.

Therefore, it is impossible to answer with certainty which engraving is better: laser or mechanical. It all depends on the material, financial capabilities and the goal.

Source: http://rus-bondar.ru/news/lazernaja-gravirovka-osobennosti-i-preimuschestva.html

Glass engraving on a laser machine

Artistically made glass objects have always been of great value. The labor-intensive production process alone deserved respect, not to mention the painstaking work involved in decorating glass products. Modern technologies have somewhat simplified all stages of manufacturing glass goods, including methods of applying decorations to their surface. Glass doors with external laser engraving look like an original accent to any room

What does laser engraving mean?

A laser cutter belongs to the category of non-contact tools and affects materials not physically, but thermally. In other words, an image appears on glass by burning out the surface layer. The drawing itself is specified in a special file, which is created on a computer in graphic editors, and then loaded into the machine’s memory.

This file contains all the parameters of the laser beam necessary for engraving: the trajectory of movement, the depth of penetration into the material, the speed of movement, the power of impact, the coordinates of the beginning of the path, etc. At each individual point where the laser beam hits, a small recess remains with a network of microcracks around.

It is typical that such cracks appear exclusively in the cut zone, while the rest of the surface of the product remains intact. A feature of this engraving method is a whitish tint and slight roughness when you run your finger over the image.

Laser engraving can turn a simple piece of glass into a memorable gift and interior decoration item. It should be mentioned that not every glass is susceptible to laser effects. For example, it is almost impossible to engrave lead or any other metal containing material. But products without metal inclusions, as well as crystal, quartz, etc., are excellent for work.

Laser engraving methods

Depending on the type of laser engraver, there are several ways to apply images to glass:

• flat external pattern - obtained when using carbon dioxide devices, and the beam is directed to the front side of the products;
• internal engraving - performed by the same CO2 engravers, for example, the WATTSAN 6040 LT desktop machine, which is most often purchased for this task. A special feature of the method is the impact of the beam on the inner surface of the object, as a result of which it appears from the outside that the created image is floating inside the glass and has three-dimensional shapes;
• 3D engraving is performed using solid-state lasers and allows you to create three-dimensional objects inside products. If in the first two options the beam burns a pattern on the surface of the glass, then in this case, firstly, two beams are used simultaneously, and, secondly, they penetrate into the material, and at the point of their intersection a micro-explosion is formed, forming a tiny ball of cracks . By adjusting the depth of exposure, you can obtain any three-dimensional image that can be viewed from all sides.

Application options for laser glass engraving

Using laser engravers, you can create amazingly beautiful and realistic patterns, inscriptions, figures, paintings, etc. on glass and inside it.

Moreover, engraving can be applied even in a circle (this applies to glasses, vases, bottles and other cylindrical surfaces). To do this, use an additional two-part rotary mechanism, which is connected to the engraver.

The device allows you to hold the workpiece in weight and rotate it evenly at a given pace. Laser engravers are most often used to decorate the following groups of products:

• souvenirs and gifts;
• commemorative cups and other award paraphernalia;
• tableware (shot glasses, glasses, bottles, vases, etc.);
• precious and semi-precious stones;
• photographs in glass;
• commemorative plaques with festive and anniversary themes, as well as products containing advertising logos and inscriptions;
• glass doors and wall panels.

Source: https://lasercut.ru/blog/gravirovka-po-steklu-na-lazernom-stanke/

What is laser engraving and cutting: technology, materials, advantages,

Laser engraving and cutting along with 3D printing provide great benefits for your production or hobby. This technology can be used from markings, logos and numbers on parts, marketing and advertising applications, to use in complex production facilities. But to start benefiting from it, you must understand how laser engraving works and what design guidelines you need to follow to successfully start using it.

Laser engraving technology

Laser engraving is based on the action of a laser beam directed at the surface being processed. First you need to prepare a raster (vector) image file in gcode format, which is sent from the computer to the CNC controller of the laser engraver. The controller positions the laser beam so that the surface being burned is in the shape of the outline of the image.

There are two types of laser engraving: line engraving and surface engraving. The first uses vector images to follow the lines, outlines of the image's boundaries. Surface engraving works with a raster image created from photographs.

What are the advantages of laser engraving and cutting?

This technology is especially useful for forming parts directly from sheet metal or applying markings and logos to parts or finished goods. The process is very fast and quite reliable. This is especially effective where production time is of the essence. This technology significantly speeds up the production process.  

Laser engraving can work on a wide range of materials, from wood to cardboard and plastic, where traditional methods may not be effective. In this way, laser engraving can complement your production with new materials and give you new design freedom.

Materials used in laser cutting and engraving

There are many materials to choose from with different colors and thicknesses. Choosing the right material is an important step, so we will now give you an overview of the materials.

Acrylic

Acrylic is a flexible material that is durable and quite scratch resistant. It is also quite stable in terms of shrinkage. It copes well with laser operations, which means that your design will be of good quality.

In addition, this material can be exposed to other design methods such as bonding and painting, it is waterproof and can be used in damp environments such as kitchens or bathrooms. Great applications of acrylic lie in various industries such as medicine, lightning or electronics.

For available thicknesses and colors, check the acrylic page.

Plywood

This material is made from several sheets of wood glued together. Due to this, plywood is widely used by builders, cabin manufacturers or industrial designers. The main characteristics of this material are mechanical resistance, flexibility, water resistance, lightness and aesthetic appearance.

Plywood is an excellent material for finished products. Made from wood, it will give your design a unique, natural look. This material can also be worked with like natural wood; it can be glued, screwed, sawed and nailed.

MDF

MDF, Medium Density Fiberboard, is an engineered wood. This material is made from the remains of hardwood or softwood, decomposed into wood fibers. The fibers are joined with wax and resin. Using high temperature and pressure, MDF panels are formed.

MDF has a fine texture and natural light beige color. The main advantage of this material is the amount of adjustment it can withstand, unlike solid wood. MDF can be painted, stained, stained, fire resistant, water resistant, molded and even curved. It will also perform well when sanded and planed as it contains no knots or rings.

Cardboard

Cardboard is made by laminating flat, corrugated or embossed paper of varying thicknesses. Cardboard can be very useful for your products as it is lightweight and competitively priced.

Like other laser engraving materials, it can be modified by cutting, gluing or folding. Among other things, cardboard is also recyclable and biodegradable. It is widely believed that cardboard is only used in packaging, but in fact, it can also be great for prototyping or production of presentation models in the field of architecture.

P.O.M.

Polyoxymethylene, POM, is an engineered thermoplastic, also known as acetal or delrin. This material is especially popular due to its excellent mechanical properties, strong resistance and great dimensional stability. It has a smooth, glass-like surface.

This material has been designed with internal technical details in mind. It is lightweight, strong and durable, but also weatherproof, waterproof and solvent resistant. It resists cracking well, making it an excellent candidate for industrial tools, spare parts, gears, hinges or locks.

Metal

Metal cutting or laser printing has long been widely used in many large factories and industries.

In principle, the technology is almost no different from laser processing of wood and other materials, except that the laser is much more powerful (usually either CO2 or diode fiber-optic lasers are used) and cooling systems are present.

Guide to preparing files for laser cutters and printers

There are particularly important rules that you must follow when it comes to laser engraving. A very popular aspect of laser engraving is text engraving. When text is sent to the controller, the machine automatically adds a border around the letters, so it's important to remember:

• Make sure letters are spacing correctly
• Minimum text size 2 mm
• Narrow fonts are preferred

Laser cutting

The big advantage of laser engraving is laser cutting. The process is similar to laser engraving, but with laser technology, the laser cuts through the material into the shape of your object. It is also fast and can be used on the same materials as laser engraving.  

How to start using laser engraving?

Source: https://getfab.ru/post/47727/

Laser glass engraver - engraving capabilities - Blitz Windows

Good afternoon friends. Today I will tell you about one of the most unusual orders - for a restaurant, for a glass partition, we were ordered a crazy amount of glass engraving, despite the fact that we do not do this at all.

But at the same time, I didn’t want to refuse a very expensive order that could be flaunted in my portfolio (the most pretentious restaurant in the city and a really chic sketch of a glazing project).

As a result, we acted as intermediaries and customers - the glass was sent to a laser engraving company, and then to us for installation. Typically, laser engraving is used mainly for souvenirs.

For household use, I will say this - if you order laser engraving on household glass (for example, we had customers for double-glazed windows), this in 90% of cases will remove the entire warranty on the double-glazed window. Not on the window, but on the glass block.

This is due to the fact that most people are not ready to pay dearly, and only the “order the glass - engrave it on the side - put it in place” scheme works cheaply. Under such a scheme, no window company will undertake warranty obligations. But it certainly looks beautiful. Although very expensive. To understand in more detail the technology and process of laser engraving of glass and plexiglass, scroll on.

Laser engraving on glass and mirror - technology and equipment, prices

Engraving on glass is an original keepsake for loved ones and friends that will delight the eye every day.

Laser engraving on glass - engraving machine for applying graphics

The laser beam leaves smooth edges of the design, which are absolutely safe for humans. It allows you to create expressive depressed or volumetric lines.

Glass engraving allows you to apply an image to any type of product - glasses, wine glasses, bottles, vases, etc. At the same time, the order fulfillment time is minimal, and the item itself is not fixed in the clamp, since the technology completely eliminates contact with the engraved product. The resulting drawing is distinguished by clear lines and retains its original appearance for a long time.

Glass engraving is applied to flat and cylindrical surfaces. You can place the image over the entire area of ​​the circle, giving the product a special look.

Glass engraving – how does it work?

Laser engraving is the burning of tiny grooves on the surface of an object with a laser beam. The laser “removes” the top layer of the material, creating depressions on its surface that can form various images. Laser engraving can be used on almost any surface - glass, metal, wood, plastic and many others.

Laser engraving on glass is an effective and reliable way to create designs of any complexity on the surface. The thin beam creates neat lines on the glass, combining with various details.

Engraving inside glass

The technology allows you to obtain a three-dimensional image inside glass (crystal). The image can be anything (including voluminous text). The design is clearly visible from any side of the souvenir, no matter how it is turned.

Using a laser, you can apply any high-quality images. You can update the interior of your home or office by ordering a decorative design for a mirror.

3d engraving in glass

Using this laser engraving method, you can create beautiful souvenirs, memorable awards, cute glass trinkets - all of them will be truly unique! Three-dimensional paintings inside a glass form are universal. They will harmoniously complement the interior of your home, will attract visitors to your exhibition stand, and will become pleasant gifts for loved ones.

Source: https://okna-blitz.ru/montazh/lazernyj-graver-po-steklu-vozmozhnosti-gravirovki.html

Types of laser engraving

Engraving has long been used to decorate products and create memorable inscriptions. Previously, master engravers created one product for several days or even months, depending on the material and size of the image, since the work had to be done manually with a special cutter.

In the 21st century, breakthroughs were made in science and technology, and the ancient method of decorating products found a second life. Laser engraving has appeared - a convenient, fast method of carving various materials, which guarantees the ideal quality of the finished product.

What is laser engraving

Laser engraving is the precise application of an image or inscription on a material using a laser marker. Image clarity was achieved due to the fact that the laser is capable of applying about 20 lines per 1 millimeter.

The material is not damaged due to contactless interaction with it. Computer control of laser engraving allows you to control the strength of the radiation, vary the depth of the lines, ensuring optimal work with any object.

In the process of laser engraving, the human factor is eliminated, which means that the likelihood of errors and various types of inaccuracies is eliminated.

Using the laser engraving method, you can apply almost any image (text, picture, photograph) to the material, which provides convenience and opens up wide opportunities for using this method in advertising, making souvenirs and in everyday life.

Laser engraving can be used in various areas of human activity, including in everyday life, from marking devices and applying measuring scales to making name plates and applying letters to the keyboard. Laser engraving is also used to create unique gifts and souvenirs.

There are several ways to apply images using a laser, depending on the material you need to work with. You can select laser engraving on glass, wood, metal, stone, plastic. Almost any product made of solid material can be marked with a design or a memorable inscription using a laser.

Laser engraving on metal

Laser engraving on metal is one of the most popular types of engraving today. This way you can apply images to pens, key rings, signs, as well as flash cards, phones and laptops with a metal case.

Laser engraving is widely used in the jewelry and awards industry. Words engraved on jewelry are a win-win gift option, especially when it comes to engagement rings.

Metals for engraving:

• Brass steel with a varnished surface - perfectly engraved with lasers, the engraving color is gold, an ideal material for the manufacture of metal plates, nameplates, and plates.
• Aluminum with a lacquered surface - perfectly engraved with lasers, engraving color - white (one option with black varnish to look like gold), very convenient for making metal overlays, lightweight, easy to cut.
• Anodized aluminum - designed for engraving with milling engravers and fiber lasers, convenient for making nameplates, plates, lightweight, easy to cut.
• Brass for engraving - brass with a clean surface is designed for engraving with milling engravers and fiber lasers, convenient for making nameplates, plaques, lightweight, easy to cut, comes with a mirror and scratched surface.

3D laser engraving in glass

This is a type of laser engraving, volumetric laser engraving inside glass. 3D engraving looks much more interesting than usual and allows you to create three-dimensional images and even entire paintings with the smallest details inside the glass, real works of art.

Laser engraving on wood and paper

Laser engraving on wood and paper is reminiscent of burning, familiar to everyone from childhood. It is usually used for applying dedicatory inscriptions and making souvenirs.

Laser engraving on stone

Laser engraving on stone is used mainly for making business souvenirs, since products made from ornamental stones emphasize the status of the owner and are popular as gifts for business partners.

Source: http://marzan.pro/vidy-lazernoj-gravirovki/

Laser engraver - main parameters, features of application and selection

The active development of modern technologies has led to the fact that now, even for little money, you can purchase high-tech devices, the quality of which will be at a decent level. One of these devices is a laser engraver, which until recently was very expensive and not available to everyone.

Perforating sheet metal on an industrial laser engraver

The presence of such equipment, now offered in a desktop version, allows you not only to decorate personal and household items, but also to start your own business. In particular, a laser engraver is successfully used to make seals and stamps. With a competent approach to organization, such a business can bring in good money.

Main settings

In order to make seals and stamps and decorate small-sized products, it is not at all necessary to purchase large engraving equipment from professional series - it is enough to buy a desktop laser engraver. Such equipment will not only take up little space in the workshop, but will also cost much less than industrial installations.

As for the prices for desktop laser engravers, they vary greatly and depend on a number of parameters. Such parameters, in particular, include:

• type of device according to the working element used in it (fiber laser engraver, discrete fiber, diode, etc.);
• laser engraver power;
• dimensions of the working platform;
• functionality;
• company manufacturer.

Approximate prices for laser engravers

In order to make stamps, as well as perform engraving work on the surface of small-sized products made of various materials, you can order an inexpensive laser engraver from China, which does an excellent job of such functions.

A Chinese laser engraver is capable of successfully coping with many tasks.

In particular, with the help of such a device, engraving can be performed not only on metal, but also on glass, wood, leather, plastic, cardboard and a number of other materials.

What problems can be solved using a laser engraver?

Most models of modern desktop laser engravers are controlled using external computers into which special software is loaded for these purposes. The program, usually supplied complete with laser engraving devices, simultaneously solves several problems:

1. converts an image or inscription loaded into a computer for further application using a laser engraver into vector format;
2. transmits information about the applied image to the device controller;
3. controls the operation of all elements of the engraver design.

The main working element of the engraver is a laser with a heat sink placed on a movable carriage

Before starting work, the mini laser engraver is connected to the control computer using a regular USB port. Some models of laser engravers, the cost of which is slightly higher, allow them to be programmed. In order to apply a drawing or inscription to the surface of the workpiece, the user of this equipment only needs to set the appropriate program according to which it will work.

For home use, compact laser engravers with low power are most often purchased.

Such a laser engraver for the home, despite its low power, can be used for seals and stamps made from polymer materials, as well as for solving a number of other problems related to the decorative design of products made from various materials.

Using such a device, in particular, you can apply a design or inscription to a glass object, or engrave on the surface of products made of leather, plastic, wood and thick cardboard.

Engraving of souvenirs on a laser machine

More functional, but also more expensive, is a fiber laser engraver, which can be successfully used to work with materials such as:

1. any metals and metal alloys;
2. composite materials;
3. rubber;
4. any types of plastics;
5. leather;
6. ceramics;
7. granite and porcelain stoneware;
8. semiconductor materials;
9. wood;
10. cardboard;
11. natural and artificial stone.

A special fiber used in laser engravers of this type as the main working element ensures ultra-precise focusing of the beam and effectively regulates its power. Fiber-type laser devices, the technical capabilities of which allow for color engraving on the surface of stainless steel products, are used primarily in the professional field.

How to choose the right device

How to choose a laser engraver? First of all, you should get an idea of ​​the types of such devices and understand the operating parameters that characterize them.

You should not choose a device for specific tasks, since in the future you may not have enough of its functionality.

So, having bought a laser engraver for seals, that is, for working with rubber and polymer materials, you will not be able to use it in the future to design products made of metal and other hard materials. That is why it is better to immediately choose universal engraving devices.

Depending on what type of element is used in a laser engraver to form the working beam, all such devices are divided into two categories:

• gas laser engravers;
• solid state devices.

Neje mini laser engraver is a popular home model focused on miniature engraving

Gas-type laser engravers are inexpensive and versatile. Using such devices, which are most often purchased to equip home and small production workshops, you can engrave on the surface of products made of metal, leather, plastic, wood, etc.

Engravers that use a solid-state element to generate a laser beam are distinguished by the fact that they create radiation that has special properties. Devices of this type are used primarily for engraving on metal and some types of plastics.

The most significant advantage of using engravers with solid-state laser elements is that such processing can be performed with very high precision.

Choosing a laser engraver for making prints and processing products from various materials should be based on its power. So, for working with small objects made of not too hard materials, you can choose devices whose power is within 40 W.

Using such devices, in particular, it is possible to make prints with fairly good detail. To engrave on harder materials (such as stone), you should choose engravers with a power of at least 60 W.

Such devices, in addition to engraving, also allow cutting of the material being processed.

Laser engraver for seals and stamps Raytronic S7 with air-water cooling system

The power of a laser engraver affects not only what material can be processed using such a device, but also the thickness of the processed layer, as well as the range of operations performed. Thus, to process a metal sheet more than 10 mm thick, you will need a laser engraver with a power of at least 100 W. To process thinner items made from softer and more pliable materials, you can choose less powerful engraving units.

On the modern market, laser engravers are presented in a fairly wide power range. So, depending on your needs, you can choose similar devices whose power is in the range of 20–120 W.

The compact tabletop engraving machine TST-3040 is great for making signs and souvenirs

When choosing a laser engraver, you should pay attention to the additional characteristics of such devices. One of these characteristics, which ensures the duration of the continuous processing process performed on a laser engraver, as well as a longer service life, is the presence of a cooling system in its equipment.

Another important option to look for when choosing a laser engraver is auto focusing. On laser engravers with this function, processing can be performed not only with greater productivity, but also with higher accuracy.

Manual carriage function allows you to quickly start a job from the desired location

The configuration in which laser engravers are supplied from the manufacturer is another important parameter. No one will argue that it is much more convenient to purchase a device that includes everything necessary for its operation. The standard set of modern laser engraver models usually includes:

• the device itself;
• safety glasses, which must be used when working with such a device;
• debug key;
• software installed on the control computer.
• cable for connecting to the control computer.

Processing materials using a laser engraver

It so happens that the most popular material for which a laser engraver is used is wood. Using this equipment, you can also cut wood products if their thickness does not exceed 15 mm. Since engraving wood, as well as cutting it with a laser engraver, is accompanied by the release of a large amount of combustion products, when performing such operations it is necessary to use exhaust ventilation or a blowing system.

Example of laser engraving on the back of a phone

Plastic products also lend themselves very well to processing using a laser engraver. It should be borne in mind that thermoplastics and facing plastic panels are best processed, but with engraving and cutting polycarbonate, if the power of the engraver used is low, difficulties may arise.

Solid-state engravers are optimal for cutting and engraving metal, but you need to pay attention to their power.

How to operate the device

When starting to work with a laser engraver, you should keep in mind that if such a device is used incorrectly, you can encounter injuries not only to your hands, but also to your eyesight. This can be avoided by following safety rules and using protective equipment (in particular, special glasses supplied with the equipment).

To become more familiar with all the nuances of working with a laser engraver, the rules for setting it up and starting it up, it is advisable not only to carefully study the instructions and other theoretical material, but also to watch the corresponding video. This approach will allow you to avoid mistakes that many of those who have never worked with such devices make before.

Source: http://met-all.org/oborudovanie/prochee/lazernyj-graver-metallu-derevu-iz-kitaya.html

Laser engraving is a new word in marking objects

Recently, metal laser engraving services have become increasingly popular among the population; an example of this can be seen here https://www.mcgraver.ru/graviroa_po_metallu.html. The idea is very interesting, as it is an opportunity not only to make an item unique, but also an excellent option for an original gift.

Features of laser metal engraving

The main feature of this type of engraving is that it gives relief to the applied image. The laser burns a thin layer onto the metal, thereby leaving indentations that can be felt with your fingers. The process is characterized by high accuracy and virtually eliminates the possibility of defects. This is possible thanks to high-precision computer-controlled equipment. The human factor in this process is reduced to a minimum.

Not only metal is suitable for engraving, but also other materials such as plastic, stone, porcelain, glass, etc.

Advantages of the method

Laser engraving occurs without physical contact with the material, which allows you to apply images to the most inaccessible places and does not cause harm to fragile materials. The lack of consumables and ease of preparation for work can significantly reduce the cost of the service.

The applied image does not fade over time and is very difficult to damage. Thanks to fine adjustment of the laser width, down to microns, the image will be clear even on small areas, such as wedding rings.

Application area

Thanks to the unique contactless technology, almost any household item is suitable for drawing. The most popular applications are wedding rings, watches, key chains, souvenir lighters, etc. A new trend is applying images to phone cases and laptop keyboards.

Memorable gifts for loved ones, exquisite souvenirs for anniversaries, or simply beautiful decorations on household items are the main, but not the only area of ​​application for this type of service. This type of gift will not only surprise you with its originality, but will also remain in your memory for many years.

Source: https://nvph.ru/lazernaya-gravirovka

Laser engraving

Laser engraving is a method of applying a permanent image to business gifts and promotional products made from various materials: metal, wood, leather, glass, foam rubber, as well as some types of plastic.

A durable image is applied using a laser to metal pens and mugs, keychains, flash drives, thermoses, wallets and office accessories. In order not to do laser engraving directly on the product (for example, an expensive gift), you can use a laser to cut nameplates of various shapes from metal or foil plastic.

Laser engraving technology

Laser engraving is an automated process. The application parameters are set in a computer program, and the object is fixed in the laser installation. During the engraving process, a laser beam evaporates a layer of material, burning it to a specified depth and width.

There are two types of laser systems used in the promotional industry: gas CO2 lasers and solid-state lasers. Solid-state lasers are used to engrave metal objects (including cylindrical ones); gas lasers are used to engrave leather, wood, glass and other materials, as well as metal.

Laser engraving on metal products
(application code LM)

Laser metal engraving is usually done with a solid-state laser, which is great for working on reflective surfaces. The color of the engraving will depend on the thickness of the coating and the color of the metal underneath. For example, if the body is made of brass and then coated with paint or resin, the engraving will appear golden on a colored background.

Laser engraving on products made of wood, acrylic, leather, etc.
(application code LC)

Laser engraving on wood, leather, and plastics is performed with a gas laser—the active medium in it is carbon dioxide. If the material is uniform (like wood), the color of the engraving is usually only slightly different from the color of the outer layer. The exception is engraving on two-layer materials: by removing the top layer, the laser reveals the contrasting base.

Laser engraving around the circumference
(application code LR)

Engraving is performed with a solid-state laser and allows you to apply large-area images on rounded surfaces, primarily on metal utensils.

Production of nameplates with laser engraving
(application code LS)

If laser application is not desirable to be done directly on the product, engraving is done on a nameplate, which is then glued. Nameplates are usually made of brass or foil plastic.

Advantages of laser engraving of souvenirs

• very durable application;
• Possibility of application for small runs;
• low cost per product for medium and large runs.

Very durable application

Laser engraving is one of the most durable types of logo application on business gifts and promotional products. The image is essentially “burned out” into the material of the product, so the engraving is not exposed to external factors. It will not be erased or washed off.

Laser-applied logos look especially organic, as if they were created together with the product itself.

However, it is worth keeping in mind that you will not be able to choose the color of the engraving or predict it in advance. It depends on the qualitative and quantitative content of certain substances in the material from which the product is made. And it may even differ slightly within the same circulation.

Possibility of laser engraving for small runs

Laser marking does not require intermediate stages of preparation, which makes this type of branding more time-efficient and makes it quite easy to calculate the cost of virtually any circulation - from one copy to infinity.

However, it is worth considering that engraving time depends on both the surface area and the shape of the product - the engraving process on objects of complex shape will take longer than on flat rectangular surfaces. The maximum image size is determined by hardware parameters.

Low cost per product for medium and large runs

The cost of application depends on the cost of the item itself, the area of ​​application and the complexity of the surface. In general, this type of application becomes economically accessible with print runs of 50 pieces or more.

Prices for laser engraving of a logo

You can calculate the cost of souvenirs with your logo in the product card directly on the website. How much laser engraving costs without the cost of products is indicated in the Cost of Application section.

How to order laser engraving of souvenirs

Do you want to order laser engraving on pens, keychains, leather goods on our website? Just add the item to your cart, place your order and register. The site will prompt you to select a dealer company in your city, which will undertake the fulfillment of the order.

If you represent an advertising or communications agency, fill out the form on the website. Then we will be able to offer you favorable terms of cooperation.

You will learn more about placing orders in “Project 111” in the “How to buy” section. And in the “Questions and Answers” ​​section, answers to frequently asked questions are published.

Source: https://gifts.ru/nanesenie-logotipa/lazernaya-gravirovka

Laser cutting and engraving: services, products, materials

Among the variety of modern printing products, products that were manufactured using laser cutting or engraving stand out. Today, high-tech equipment allows you to reproduce any small details with maximum accuracy and bring to life the most daring design solutions.

Laser cutting and engraving services

The material is processed using a laser beam. A special feature of this method is the high accuracy of adjustment, due to which the final result always coincides with the original layout. In the printing house on a professional laser machine the following is performed:

• cutting paper (the machine allows you to complete the job in a matter of minutes, the edges of the finished product are absolutely even);
• cutting the sheet for bending;
• sheet perforation;
• engraving, etc.

As for engraving, it can be applied on a laser machine to almost any surface, not just paper. In this way, seals and stamps are made for various organizations, souvenirs made of glass, plastic, leather, fabric, etc. It is possible to apply bas-relief engraving, which has a significant visual difference from the seal and looks quite original.

Laser cutting products

Before starting the process of creating a particular product, its drawing is developed. It is converted into electronic form using a special program, then the laser work is performed according to the specified parameters. The range of products manufactured on a laser machine is wide. You can create:

1. Exclusive cards, envelopes, invitations, wall calendars, posters. Engraving on such products will make them stand out from the crowd of similar ones.
2. Souvenir products. The elements of the applied image will be neat. An example is souvenir glasses with individual engraving - an excellent gift for any occasion.

Source: https://allprint.moscow/stati/lazernaya-rezka/