Some general knowledge about laser engraving machine
We first say some laser engraving concept, so what is laser engraving? In the traditional concept of engraving, we understand the engraving is to imagine that the teacher holding a carving knife or power tools to chisel out a beautiful pattern.
Then the so-called laser engraving is the use of laser technology to carve. The principle is the use of laser heat to burn or make chemical changes to the engraved surface to produce engraved marks.
Laser engraving machine and handheld tools compared to the advantages of carving text and patterns can be controlled, the size can also be controlled, the carving pattern is also relatively fine. The disadvantage is that there is no manual physical engraving as three-dimensional. So the laser engraving machine is mainly used for shallow marking.
The concept is clear, let's talk about the structure of the laser engraving machine, laser engraving machine to achieve the function of engraving, the main need
The main need for software control mechanical transmission laser light source several components to achieve, including software as a human-computer interaction page, used to edit the picture text, adjust the parameters and start and stop.
Traditional engraving machine is driven by mechanical transmission part by stepper motor or servo motor drive, of course, due to the characteristics of the laser, many modern machines have been used vibration mirror system, through the control of the lens angle of the tiny movement to achieve the laser position control
Laser light source is the core component of laser engraving, light source characteristics determine the laser can achieve the effect of material engraving, the energy size of the engraving depth and speed have a significant impact
Classification of light sources of laser engraving machines
At present, the common light sources of laser engraving machines on the market are CO2 light source, fiber optic light source, violet light source, green light source, diode light source. The laser wavelengths are different, and the engraving efficiency varies greatly
- CO2 laser engraving machine is mainly suitable for engraving materials such as wood, leather, plastic and other non-metal materials
- Fiber optic light source, the main carving materials are metal or lacquered materials with high density. Wood is generally not good for engraving unless it is very dense hardness can also be engraved on
- Violet light source, is a high-end light source, carving very fine and carving a wide range
- Green light source, we may have seen a lot of acrylic in the middle of the three-dimensional image, generally have green light source carving. Can carve transparent glass and other materials
- Diode light source, this originally stage lighting light source, in the laser engraving industry to achieve a magnificent transformation, the engraving principle is somewhat similar to the magnifying glass sun under the point of cigarette butt.
Selection criteria for laser engraving machines
- I believe that many friends who want to buy a laser engraving machine are most concerned about this issue. We all definitely want to choose the type of laser machine that is practical and affordable. So before you choose, you can understand the advantages and disadvantages of various laser machines
- CO2 laser engraving machine: the advantages of engraving material wide wood, leather, plastic, rubber, etc., power, carving speed, high precision. Disadvantages machine is generally bulky in 40-50 kg not convenient to move, generally moderate price suitable for factories
- Fiber laser engraving machine, the advantages of high precision engraving speed, suitable for factory batch operation and can be docked to the factory automation production line. The disadvantages of the machine is generally more expensive about 15,000 yuan or more, the volume is relatively large and the weight is more than 30 kg
- The advantages of the laser engraving machine are that it can engrave a wide range of materials, not only metal, but also non-metal. Can realize a machine multi-purpose. Disadvantages Expensive, because of the characteristics of the violet light source, the machine is generally more than 20,000-30,000 yuan, the machine is also relatively heavy. Suitable for high-end manufacturing
- Green laser engraving machine, the advantages can achieve three-dimensional engraving 3-dimensional positioning engraving. The disadvantage is that the volume is large and the price is expensive.
- Diode laser engraving machine, the advantages of low price low to less than $1000 generally not higher than $3000, small size convenient to move. Disadvantages Slow engraving speed, can not engrave pure metal. Due to the speed limit, generally more suitable for personal DIY home, or small and medium-sized business small batch customization.