In order to cut glass, wood, steel and other materials as accurately and accurately as possible, special equipment is used. To date, laser machines are considered to be the most efficient and modern devices. Initially, they had an exclusively industrial scope, but at the moment they can also be used in a household workshop.
Laser cutting is a method of cutting material, during which a focused powerful laser beam burns through the workpiece surface to be processed.Due to its small thickness, special angle of direction, coherence and monochromaticity, the laser beam cuts the material evenly, and this process produces a minimum of waste, which is then blown out by a jet of air.
Due to its increased accuracy, laser cutting significantly speeds up and simplifies the processing of various workpieces, while creating a minimum of defects and scrap. The increased demand for such equipment is not surprising, because due to the increased productivity, the high cost of the machine will pay off quite quickly and more than.
Burning the workpiece directly eliminates contact with its work surface. From this it is clear that it is possible to process not only hard alloys (brass and copper, aluminum and steel), but also rather fragile raw materials, such as wood or plywood, as well as glass. Almost complete automation adds to the efficiency of the whole process. It is already difficult to imagine a modern laser machine without CNC, and its computer control has become commonplace today.
Content
They are professional equipment, the work of which is characterized by increased accuracy. The device is equipped with a powerful laser, which easily cuts through the surface, divides them into separate elements. The resulting cut is particularly smooth and does not require an additional processing step. Also, with the help of such machines it is convenient to engrave, cut out various patterns, and even weld small parts.
Externally, the design is not particularly complex and consists of:
Through it, the beam generated by the lamp is focused and directed to the material being processed. Different lenses have different focal lengths, focal depths (responsible for the maximum thickness of the incision), and the diameter of the focused spot. There are telephoto (+100 mm), medium-focus (up to 50 mm) and short-focus lenses (up to 38 mm). As the name implies, they differ in the length of the focusing distance. Thus, telephoto lenses are able to cut through thick and hard surfaces (metal) efficiently, while others can efficiently produce chiseled work. According to the current classification, each lens variation is used for its type of work:
The lenses themselves can be made on the basis of various bases, the most popular of which are gallium arsenide and zinc selenide. It is worth noting that the former belong to industrial designs and are used in machine tools with a power of more than 130 watts.

First, a special drawing is prepared, where the coordinates of the desired cuts are indicated - this drawing is loaded into the operating program of the machine.After that, the working process begins directly: the machine automatically directs the beam to a given place and it is strongly heated. Glass and metal melt under the influence of elevated temperature, and the tree burns out. In a strictly designated place, the surface to be machined is accurately cut in accordance with the specified parameters.
The undoubted advantages are the following:
The disadvantages of working with a laser include:
The range of products that can be made on a laser machine is very wide, the unit is perfect for manufacturing:
Depending on the material being processed, they can be divided into:

At the moment, the use of laser equipment cannot completely displace classical methods of metal cutting from the market. Therefore, their effective use becomes possible only when the processed material is selected correctly, based on the capabilities of the equipment, and when using the traditional method becomes laborious or completely impossible.
This equipment can have both universal and specialized purposes. However, all equipment is usually divided by power and size:
Depending on the working environment, lasers can be classified into
The desktop is one of the main elements in the design of the machine, so the quality of work will directly depend on its choice:
The basic rules for operating the machine are quite simple, but it is still necessary to know the step-by-step procedure so as not to get confused later:
IMPORTANT! It is impossible to wipe the lens with vodka, since the essential oils present in its composition form a thin film on the lens when dried, which will lead to beam scattering!
It must always be remembered that the laser machine is a complex technical equipment, so its setting must be extremely accurate. The adjustment is carried out according to the light beam, and for the duration of this procedure, the working element is replaced with a conventional laser pointer. The procedure will include the following steps:

Modern manufacturers are constantly and actively working to modernize and reduce the cost of existing technologies, so the market is constantly replenished with new samples. Based on the required tasks, when choosing a unit, close attention should be paid to the following factors:
Often, in the market of laser machines, one may encounter the following situation: it would seem that devices that are identical in terms of technical characteristics should and cost the same, because they can even have the same desktop size? But the cost, first of all, will be made up of the overall configuration and the quality of individual parts. And these include:
Also, additional options will have a significant impact on the price, such as a residual current device, the presence of an exhaust hood, the presence of a rotary device, the presence of a camera, etc.
It is worth mentioning that for complex technical devices, the name of the manufacturer always and everywhere plays an important role. Indeed, small, unknown companies can attract a potential buyer with extremely budget prices for their equipment, but it is difficult to find truly good equipment among such samples. And when purchasing a laser device from such companies, the user risks paying a double price, which will result in frequent repairs.
You can visually distinguish a good model even just by looking at the case. If it is made of thin sheet metal, cheap articulated shaft guides are installed in it, then such a machine is hardly adapted to work at high speeds. A large acceleration will create additional vibrations, which will inevitably lead to a violation of the correctness of the cut lines or the production of uneven engraving. It is also worth paying attention to the age of the manufacturing company - figures of 3 to 5 years are considered optimal. An age of 9 years or more already speaks of a well-deserved place in the market.And additionally it is worth discussing service issues with the seller - if a lifetime warranty or at least a 5-year service period is offered, then such a seller is trustworthy.
An excellent example of a home machine, designed exclusively for decorative and applied purposes. With it, it is easy to cut out patterned details from thin-sheet plywood or to make ornaments on plexiglass. Due to its extremely small dimensions, it does not even require a separate room for its installation.

| Name | Index |
|---|---|
| Manufacturer country | Great Britain |
| Beam power, W | 40 |
| Power supply, V | 220 |
| Weight, kg | 28 |
| Cost, rubles | 55000 |
Model from a fairly young, but already becoming popular German company. It has rather large dimensions and has a relatively high positioning accuracy of the laser beam. Due to the increased working surface, it can work with large workpieces.

| Name | Index |
|---|---|
| Manufacturer country | Germany |
| Beam power, W | 80 |
| Power supply, V | 220 |
| Weight, kg | 77 |
| Cost, rubles | 120000 |
A versatile machine capable of working with both metals and thinner materials.With a very powerful laser, it can also be used in domestic conditions, due to its relatively small dimensions and weight (it can be installed in a home workshop). However, the desktop area is small - 40 by 30 centimeters.

| Name | Index |
|---|---|
| Manufacturer country | China |
| Beam power, W | 120 |
| Power supply, V | 220 |
| Weight, kg | 80 |
| Cost, rubles | 405000 |
A wide-format unit positioned on the market as a professional model. It has a high cutting speed, the desktop area is 2 by 3 meters. The design has two powerful lasers and a system of gilded mirrors. Perfect for a highly specialized workshop. The service life of the laser tube has been extended to 6500 hours.

| Name | Index |
|---|---|
| Manufacturer country | China |
| Beam power, W | 200 |
| Power supply, V | 220 |
| Weight, kg | 450 |
| Cost, rubles | 1000000 |
Very powerful machine, oriented directly to work on thick metal alloys. Able to cut workpieces up to 10 millimeters thick. The working surface is large enough - 1.5 by 3 meters. Differs in the increased productivity and speed of work.

| Name | Index |
|---|---|
| Manufacturer country | China |
| Beam power, W | 800 |
| Power supply, V | 220 |
| Weight, kg | 750 |
| Cost, rubles | 4000000 |
This laser machine has a high-power fiber optic generator, Western European linear guides, and a high-precision CNC system in its design. The device is capable of working on thick metals and their alloys. In general, it is characterized by high cutting efficiency and economy.

| Name | Index |
|---|---|
| Manufacturer country | China |
| Beam power, W | 950 |
| Power supply, V | 220 |
| Weight, kg | 800 |
| Cost, rubles | 4700000 |
The analysis of the market showed that the leaders in it are by no means Western companies. The Russian buyer prefers to purchase analogues of Asian production, since the components used to assemble them are still produced in Europe. And this already allows us to talk about the overall quality. At the same time, most Chinese firms do not have their own service centers in the Russian Federation, which means that there may be some problems with repairs. However, since the beginning of 2019, this situation has begun to improve - authorized centers have appeared in Siberia and the Far East, which provide the services of field specialists in the regions of Russia (even as part of a warranty service).