2) The laser head moves abnormally during operation, such as stalling or jittering. When the laser passes through the hole-like object, does it pass through the center? Laser Engraving Troubleshooting for Common Problems. There are 2 disadvantages to be aware of with this technique. Steel: As a hard material, steel cannot be marked as fast as softer metals. If the quality of the laser tube at the exit of the laser tube has become worse, the following measures should be taken: Check whether the length of the laser tube corresponds to the distance between the support points, and adjust the support points if necessary. 2mm; - For abnormal noises from peripheral accessories, such as water chiller fans, replace them directly.
For example, if you go from a 100W to a 50W laser, you could save several thousands of dollars. The machine fails to start and trips in the open circuit of the room. Troubleshooting - Laser Engraving & Cutting - LibGuides at Pikes Peak Library District. To troubleshoot, here are some things you might need to do. Computed path for a long time did not respond, restart the computer test. To determine the status of the water protection signal, connect pins 4 and 13 of the 25-pin laser tube insert.
Today, we have a CNC wood router, a small diode laser, an OMTech 60W 20"x28" laser machine, and an OMTech 130W 35"x55" laser machine. Cutting position of the machine is shifting. The direct reason for the lack of laser processing depth and processing speed is that the effective power density of laser processing is low. The X-axis left driven wheel wear, then replace the driven wheel. Check whether the water return of the chiller is normal, whether the W axis position changes, whether the DC48V32A laser power is normal, and also check the laser tube, etc. The trouble with this is that although it looks like there in only one line on the overlapping side, the computer still sees 2. By slowing down the engraving speed, the laser head will not require as much distance to stop and reverse direction. Whether the serial port line has been used to connect the computer serial port and engraving machine, the connection is reliable. Laser engraving problems and solutions near me. Marking machine and cutting machine have incorrect marking or cutting dimensions. Then place the scarp material in the laser and measure down and across from the laser's origin to the target area.
Synchronous wheel screws are loose, the motor wire is broken, the motor is broken, the driver, voltage is abnormal, etc. In the processing of smaller graphics, there may be times when you press the "Start" button, the software does not respond to the problem. Analysis of common problems of laser engraving machine. Incorrectly set focal length. Adjust the optical path to ensure that the optical path is correct, and the focal length adjustment must consider the processing depth.
First, there is the issue of banding. When cutting, the two ends sometimes cut into each other, sometimes separates. At this time, the guide rail needs to be adjusted. Laser engraving problems and solutions 2020. First, check the software settings to ensure that they are correct for the material you're trying to engrave. This problem is generally caused by the servo limit line or the limiting displacement, which can be solved by changing the line or the limiting displacement. Feeder feeds for a long time. Cause: "Go" was hit before the file finished sending from the computer. Reinstall the software and reset the test.
The online two-axis system is not functioning. It could mean a loose laser head due to serious wear and tear in the laser head pulley. The control of the light output from the glass tube primarily involves the following components: a laser tube, a laser power source, a water circulation system, and a light output signal. For a few minutes cutting, the light from the laser tube becomes very weak. For several of my tricks you need your file to be a vector file for the trick to work. This is when the laser leaves behind a series of lines that spoil the engraving. The reversal of the origin's direction is usually due to a short circuit in the switch coil. Design for laser engraving. Increase the working current, but do not exceed the maximum working current of the laser tube, otherwise, the laser power will decrease, such as 80w 20mA, 130w: 22mA. The smaller the depth of field, the smaller the focus size, which is beneficial to the cutting ability, but disadvantageous to the cutting depth. You might need to create some guides for laying out out your design or maybe you'll need a target to place an object in.
The parameters for creating the template are not properly adjusted, such as aspect ratio, etc. Cutting dislocation of the cutting machine ( Repeating cut or the distance of the collinear graph is too large). When doing the mass production for the small size product(for example, 75*25mm breastplate), the of X direction should small than 300mm. If the water, power, and both signals are functioning normally, it's likely that the laser tube is faulty. There are generally three possibilities for this problem: there is a problem with the power supply, the laser tube is broken, or the output frequency of the laser tube in the software is incorrect.
The water circulation system is not functioning (due to blocked pipes or non-working pumps). Check whether the motor wires are in poor contact. If the trolley still fails to move, it is necessary to replace the 48V switching power supply. Create the target and position your design (engraving or cut) in the target. The Eleventh Problem: The Laser Engraved Sample Does Not Match The Size of The Graphic. The cover and the front door of the magnetic switch and lines are loose, fall off. Key points: laser tube, circulating water, water protection, laser power supply, signal line, control board card). The belt on the drive shaft is either loose or damaged. The main reasons are the wrong selection of laser type, motherboard, terminal board, power supply or control line connection, and the failure of the cooling water circulation system. Patrick S. When the COVID-19 pandemic hit in early 2020, my kids (9, 7, and 4 at that time) and I found we had a ton of extra time on our hands. A component in the laser power supply has burnt out. But the disadvantage of this trick is that the line is very thin. Bitmap files are collections of individual pixels.
02mm/1000mm, after installation ensure the guide rail is in close contact with the bearing surface, use 0. 02mm feeler gauge to detect, and the feeler gauge should not enter; e. Check the motor, adjust parameters until replacing the motor and servo; f. Replace the slider. The graphic size is too large or too small. By using the optical path vertical calibration tool, the mirror is carefully checked and adjusted so that the laser beam is incident vertically into the focusing mirror in the focusing tube. 5 volts output is not normal. The depth of field refers to the length of the laser power-dense area which can form the processing ability after laser focusing (figure). Find the center point and adjust the X, Y axis position according to the actual shift direction. Upgrade to a higher-power laser tube. The grains in the wood represent different types of growth in the wood (winter and summer) and they will each burn differently. If the motor's power line is already disconnected, and the measurement is still taken, ensure that the insulation between the motor and the casing is adequate.
The door sensor ensures your laser does NOT fire with the door open. Check the laser coming out of the laser tube if there is a laser in the laser tube. The cutting machine moves to the opposite direction of the origin when it ' s turned on. First, ensure the door is closed and pushed all the way down until it seats properly.
Check the mirror system is normal, without loosing. If the problem persists, notify staff so they can clean the lens and check the mirror. Check whether the output graphic size is the same, the changes of Z-axis height position and make corrections of files, etc. If the tension of the Y-axis belt on the left and right sides is different. Dynamic Howling Correction: To adjust dynamics, adjust R103 and R28 to regulate self-excitation and howling. B: if it is found that the laser color in the laser tube is obviously abnormal, it can be basically determined that the laser tube is leaking or aging, and the laser tube should be replaced.
If you find any issues as stated above, fix the issue and then escape the error by pressing the "Esc" key on the controller and try to run your file again. The power setting for the laser is too low. Water Error / Cooler error 1. Calculated as: pulley circumference / 200, the unit is mm. The Fifth Problem: Missing Carved. First measure the target area and get its rough dimensions. For minor cracks, you can try using a UV-curable epoxy or adhesive tape. But if you want to give the edges of your engraving a little extra sharpness here's a good trick. This problem is generally caused by the looseness of the carriage slider under the condition of long-term high-speed operation. The card has not been inserted correctly. Reconnect the ground).
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