As a beginner or operator, before you start using a laser engraving machine, you first need to understand the working principle of the laser engraving machine, and understand the operating steps and precautions of the laser engraving machine.

First, we need to understand the working principle of laser engraving machine. The working principle of laser engraving machine refers to dot matrix engraving and vector cutting.

1. Lattice engraving

Dot matrix engraving is similar to high-resolution dot matrix printing.handheld laser marking machine The laser head swings left and right each time to engrave a line consisting of a series of dots, and then the laser head moves up and down to engrave multiple lines at the same time, ultimately resulting in a full page of images or text. Scanned graphics, text and vectorized graphics can be engraved using dot-matrix engraving.

2. Vector Cutting

Vector cutting is different from dot matrix engraving. Vector cuts the outer contour of the text. We usually use this mode to cut materials such as wood, acrylic, paper, etc. We can also perform marking operations on the surface of various materials.

In addition, we need to understand the following three concepts: laser engraving speed, laser engraving intensity and spot size.

3. Laser engraving speed

Laser engraving speed is the speed at which the laser head moves, usually expressed in IPS (inches per second).little pecker laser engraver High speed results in high productivity. Speed is also used to control the depth of cut. For a given laser intensity, the slower the speed, the greater the depth of laser cutting or laser engraving. You can adjust the speed using the engraver panel, or you can use your computer's print driver program. The adjustment range is 1% in the 1% to 100% range. The advanced motion control system of the laser engraving machine gives you super fine engraving quality at high speed.

4. Laser engraving intensity

The intensity of laser engraving is the intensity of the laser light hitting the surface of the material. For a given engraving speed, the greater the intensity, the greater the depth of cut or engraving. You can adjust the intensity using the engraver's panel, or you can use your computer's operating software to adjust the intensity. The adjustment range is 1% in the 1% to 100% range. The higher the intensity, the lower the speed and the deeper the depth of cut.

5. Spot size

The laser beam spot size can be adjusted with lenses of different focal lengths. Small spot lenses are used for high resolution engraving. A large spot lens is used for lower resolution engraving, but it is the best choice for vector cutting.

Second, start the laser engraving machine before checking

1. check whether the power supply is normal, whether the cooling water tank is full of deionized water, whether the circulating water pump and the inlet and outlet pipes are normal.

2. Check that the emergency stop button of the laser is not pressed, and that there is no debris on the top and inside the machine.

3. Check that the lenses are clean. If there is dirt, it must be cleaned before use.

4. Check the mechanical part and make sure there is no debris on the processing table.

5. Check if the electromagnetic air pump is working properly.

Specific steps

1. Turn on the machine's main power switch, turn on the machine control power switch. After the system self-test is completed, each axis of the machine returns to the reference point.

2. Turn on the control cabinet power supply, turn on the circulating water pump, make sure there is water flowing out of the outlet.Start the chiller, check the water temperature and water pressure (normal water pressure is 5 bar). After the chiller is energized for three minutes, the compressor starts, the fan rotates, and refrigeration begins.

3. Start the air compressor and cold dryer. After the chiller drops to the set temperature (set to 21 degrees), turn on the main power supply of the laser.

4. Insert the laser power key into the switch key hole, turn the key clockwise to turn on the laser power and wait for the system to normalize (about 30 seconds).

5. When "HV READY" appears on the laser panel, apply high voltage. 6.

6. Confirm the material type, material thickness and material size before cutting. Lay the material to be engraved flat on the table. 7.

7. Adjust the height of the laser head with a standard ruler and adjust the plate so that the edges are parallel to the X and Y axes of the machine to prevent the cutting head from working outside the range of the plate.

8. Move the Z-axis to the starting point of the cut, simulate the program to be executed, make sure that there will be no soft limit alarm, enter the editing mode, and adjust the power, speed, type of punching time and thickness according to the material.

9. After the above items are normal, it can be switched to the execution state, and the workpiece can be cut.

When the work is finished, turn off the machine in the following order:

1. After processing is completed and the prompt bell rings, open the cabin cover and take out the processed items.

2. Turn the key counterclockwise to turn off the laser, and turn off the circulating water pump after 1 minute.

3. Clean up the processing residue in the machine.

4. Turn off the control cabinet power.

5. Turn off the cold dryer and the air compressor.

1. Turn on and off the machine in strict accordance with the order of operation. 2.

2. Prohibit unqualified personnel from operating and repairing the machine tool.

3. during the work of the machine, it is strictly prohibited to enter the worktable, to ensure the safety of man and machine; the operator in the event of danger, must focus on, as soon as possible, press the "emergency stop" button. 4.

4. the adjustment of the optical path of the machine and the cutting head of the following mode of adjustment must be carried out in accordance with the correct sequence of operation to ensure the safety of man and machine. 5.

5. Each time the machine is turned on, it must return to the reference point, check and clean the focusing mirror, calibrate the coaxiality of the beam nozzle, turn on the cutting auxiliary gas, and the pressure in the bottle should not be too big or small than 1Mpa.