Let's talk about a few concepts of laser carving first, then what is laser carving? In the traditional concept of carving, we understand that carving is that the teacher holds a carving knife or electric tool to dig out beautiful patterns.

The so-called laser carving is carving with laser technology. Its principle is to use the burn of laser heat energy and the chemical change of the carving surface to produce the carving mark.

Compared with handheld tools, laser engraving machines can control the engraving characters and patterns, and the size can also be controlled. The engraving patterns are also more detailed. The disadvantage is that it is not as solid as manual physical carving. Laser engraving machine is mainly used for shallow engraving.

The concept is very clear. Let's talk about the structure of the laser engraving machine. The main needs of the laser engraving machine to achieve the carving function.

It mainly requires software to control several components of the mechanical transmission laser light source. The software is used as the human-computer interaction page for editing image text, adjusting parameters and stopping.

The mechanical drive part of traditional engraving machine is driven by stepper motor or servo motor. Of course, due to the characteristics of laser, many modern machines have used galvanometer system to control the position of laser by controlling the tiny movement of lens angle.

The laser light source is the core component of laser engraving. The characteristics of the light source determine the material effect of the laser function to achieve engraving. The energy size has a significant impact on the depth and speed of engraving.

Classification of light sources for laser engraving machines.

At present, the common light sources of laser engraving machines sold on the market mainly include CO2 light source, optical fiber light source, purple light source, green light source and diode light source. Its laser wavelength is different, so is the carving efficiency.

● The CO2 laser engraving machine is mainly suitable for carving wood, leather, plastic and other non-metallic materials.

● For optical fiber light source, the main carving materials are metal or paint with high density. Wood is generally not good at carving. It can be carved unless it is dense.

● Purple light source is a relatively advanced light source, with very detailed carving and wide carving range.

● Green light source, we may see many stereo images in the middle of acrylic acid, and generally there are green light source sculptures. You can carve transparent glass and other materials.

● Diode light source, which was originally the light source for stage lighting, has achieved a gorgeous turn in the laser carving industry, and its carving principle is similar to that of cigarette butts under the sun of magnifying glass.

Selection criteria of laser engraving machine:

I believe that many friends who want to buy laser engraving machines are more concerned about this problem. You must want to choose an economical and practical type of laser machine. Therefore, you can understand the advantages and disadvantages of various laser machines before selecting.

● CO2 laser engraving machine: advantages: wide range of engraving materials, wood, plastic, rubber, etc., high power, fast engraving speed and high precision. Disadvantages The weight of machinery is generally 40-50kg, which is inconvenient to move. Generally, the price is suitable for the factory.

● Optical fiber laser engraving machine has the advantages of fast engraving accuracy, suitable for factory batch operation, and can be connected to the factory automatic production line. Disadvantages The machine is large and weighs more than 30 kg.

● Purple light laser engraving machine, advantages: wide range of engraving materials, can carve metal, also can carve non-metal. One machine can be used for multiple purposes. The disadvantage is that the price is expensive and the machine is heavy. It is applicable to high-end manufacturing industry.

● Green light laser engraving machine has the advantage of realizing three-dimensional positioning engraving. The disadvantages are large size and high price.

● Diode laser engraving machine, low price, small size and easy to move. The disadvantage is that the carving speed is slow, and pure metal cannot be carved. Due to speed limitation, it is generally applicable to small batch customization of individual DIY families or small and medium-sized enterprises.