Fault analysis and elimination of sharp carving CNC engraving machine

Engraving machine common fault and elimination method      

Fault 1: When you open the software, the computer prompts "Failed to open the card, please check the card".
The solution:
1. Check whether the driver of the board is installed, or replace the board with a PCI slot;
2. Reinstall the two data connection cables and check whether the needle is broken;
3. If the board is faulty, replace the board.
Problem 2: When opening the software, the prompt: three-axis alarm, initialization error No. 4.
The solution:
one Check whether the two data cables of the computer and the machine are connected properly;
2. Check whether the fuse of the transfer board in the control box is burned out and replace the fuse;
3. Check whether the 5V12V power supply is normal.
Problem 3: There is a misalignment when carving, or the wrong size.
The solution:
one Check whether the path of the engraving software is correct or not;
2. Check the gap size of the lead rod and whether the fastening screw of the smooth rod is loose;
3. Check that the software parameters are set correctly.
Problem 4: When X axis walks a certain section, Z axis does not lift the knife, and presses up but goes down.
The solution:
one Check whether Z-axis motor is running normally, power and drive current;
2. Check the Z-axis motor line for poor contact or discontinuity.
Problem 5: Spindle motor does not rotate or reverse.
The solution:
one Check the parameter setting of the frequency converter;
2. Whether the signal line of the inverter is connected inversely.
Problem 6: Knife smashing occurs.
The solution:
1. Z-axis motor power is not enough, coupling loose;
2. The current of the Z-axis driver is too small, or the signal line is connected incorrectly.
Problem 7: When the software is turned on, the shaft is closed.
The solution:
one Driver problems or poor contact of the computer output signal line;
2. Motor wire contact is poor.
Problem 8: There is a limiting phenomenon in the engraving process.
The solution:
one Check whether the engraving path exceeds the engraving range;
2. Soft limit for parameter Settings in the V6.02 software.
Problem 9: The machine does not power on when it is turned on.
The solution:
one Check whether the start button wire is connected and whether the button is burned out;
2. Check the AC contactor for short circuit or burn out.
Problem 10: When the button moves, the axis only goes in one direction.
The solution:
one Check whether the optical lotus wire is working normally and whether the line is in good contact;
2. Check whether the motor line has virtual welding.
Problem 11: The sending software does not open properly, and the carved things are deformed.
The solution:
one Reinstall new systems and software;
2. Check whether X, Y axis screw and screw are loose;
3. The carving knife has a problem
◆ Engraving machine single axis or three axis does not walk or walk abnormal
1. The control card is loose or faulty. 2. The driver of the corresponding shaft is faulty; 3. The corresponding shaft stepper motor is faulty; 4. The corresponding shaft connector is broken or loose (the shaft connector is loose and the font is misaligned when carving); 5. The corresponding screw is broken or the screw nut is faulty; 6. The sliding speed of the corresponding shaft fails; 7. Driver fine score, current, and software Settings are different.
◆ Engraving machine Z-axis out of control (knife)
1. The control card is loose or faulty. 2. Static interference; 3. Z-axis motor line failure; 4. The file path is incorrect. 5. Frequency converter interference; 6. Computer system problems or viruses; 7. Z-axis motor power is not enough, coupling loose; 8. The current of Z-axis driver is too small, or the signal line is connected incorrectly.
◆ Engraving machine error
1. The control card is loose or faulty. 2. The drive is faulty. 3. Stepper motor failure; 4. Static interference; 5. Motor line fault; 6. Data line fault; 7. The path is incorrect. 8. The coupling is broken or loose; 9. Processing speed is too fast; (System parameters curve acceleration is too large) 10. Computer system problems or viruses) ◆ Engraving machine engraving depth is different
1. The control card is loose or faulty. 2. Stepper motor failure; 3. Driver failure or current subdivision is inconsistent with software Settings; 4. Z-axis motor line failure; 5. Spindle motor failure; 6. Frequency converter interference or data setting is wrong; 7. Static interference; 8. Computer viruses or system problems; 9. Uneven work platforms.
◆ Engraving machine inscribing
1. The control card is faulty. 2. Frequency converter interference; 3. The file path is incorrect. 4. Static interference; 5. There is a problem with the software Settings; 6. The driver is faulty or the current subdivision setting is incorrect; 7. Data line failure; 8. Your computer has a virus or system problem.
◆ Engraving machine milling bottom uneven
1. The spindle and the table are not vertical and need to be corrected (symptoms: the depth of the lower tool and the retracting tool are different); 2. The knife has problems; 3. The control card has a problem; 4. Z-axis drive or Z-axis screw has a problem.
◆ Engraving machine spindle stop
1. Internal short circuit of spindle; 2. Current shielding; 3. The frequency converter parameter setting is wrong or its own fault; 4. The control card is faulty. 5. The main axis or data cable is short circuited.
◆ Engraving machine spindle rotation sound is not normal
1. The frequency converter is incorrectly set; 2. Spindle does not rotate; 3. The spindle itself has a problem (bearing damage).
◆ When the engraving machine walks or returns to the mechanical origin, the direction is opposite
1. Change files in Notepad; 2. Modify the wiring method of the inverter; 3. Modify the motor direction in the Vmacro software.
◆ Engraving machine can not return to the mechanical origin normally
1. The opposite direction; 2. The control card is faulty or loose; 3. Limit switch or data line failure; 4. The drive is faulty. 5. Near motor failure.
◆ Engraving machine spindle automatically turn or can not stop
1. The control card is faulty. 2. The frequency converter is faulty.
◆ When the engraving machine opens the macro software, the computer prompts "operation failure"
1. Check whether the driver of the board is installed, or replace the board with a PCI slot; 2. Reinstall the two data connection cables and check whether the needle is broken; 3. If the board is faulty, replace the board.
◆ When the engraving machine opens the software, it prompts: three-axis alarm, initialization error number four
1. Check whether the two data cables of the computer and the machine are connected properly; 2. Check whether the fuse of the conversion board in the control box is burned off and replace the fuse. 3. Check whether the 85V power supply is normal.
◆ When engraving machine engraving dislocation or wrong size
1. Check whether the path of the engraving software is correct; 2. Check the gap size of the lead rod and whether the fastening screw of the smooth rod is loose; 3. Check that the software parameters are correctly set.
◆ When the X axis of the engraving machine walks a certain section, the Z axis does not lift the knife, and the press goes up but goes down
1. Check whether the Z-axis stepper motor runs normally, the power and the size of the drive current or its own fault; 2. Check whether the Z-axis stepper motor line has poor contact or discontinuity; 3. The controller card is faulty.
◆ Engraving machine spindle motor does not rotate or reverse
1. Check the parameter setting of the inverter; 2. Whether the signal line of the inverter is reversed.
◆ When the engraving machine opens the software, the shaft is closed
1. Driver problems or poor contact of the computer output signal line; 2. Poor contact of motor line.
◆ There is a limiting phenomenon in the process of engraving machine
1. Check whether the engraving path exceeds the engraving range; 2. Set the soft limit in the software.
◆ The sending software of the engraving machine cannot be opened normally, and the carved things are deformed.
1. Reinstall the new system and software; 2. Check whether X, Y axis screw and screw are loose; 3. The carving knife has problems.
◆ The spindle motor suddenly stops or slows down during the working process of the engraving machine
1. The working voltage is unstable or overload, add a regulator can; 2. Check whether the middle wire is properly connected and whether the wire end is disconnected.
◆ Engraving machine set the origin sometimes forward, right offset distance is uncertain
1. Limit switch failure, in the system back to the system origin in the process of the limit switch has been closed and bounced off, change the limit switch can; 2. If the drive line is loose, try to fix it tightly.
◆ When the engraving machine starts and resets, the position of X axis, Y axis and Z axis can be uncertain

1. Limit switch is bad (limit switch is always closed), it can be replaced; 2. The drive line is bad (X axis 14 pins and 15 pins short circuit, Y axis 13 pins and 15 pins short circuit, Z axis 31 pins and 15 pins short circuit), change the drive line or dispose of the short circuit; 3. The drive board is bad, and the drive board can be replaced by the common fault and elimination method of the engraving machine

Fault 1: When you open the software, the computer prompts "Failed to open the card, please check the card".
The solution:
1. Check whether the driver of the board is installed, or replace the board with a PCI slot;
2. Reinstall the two data connection cables and check whether the needle is broken;
3. If the board is faulty, replace the board.
Problem 2: When opening the software, the prompt: three-axis alarm, initialization error No. 4.
The solution:
one Check whether the two data cables of the computer and the machine are connected properly;
2. Check whether the fuse of the transfer board in the control box is burned out and replace the fuse;
3. Check whether the 5V12V power supply is normal.
Problem 3: There is a misalignment when carving, or the wrong size.
The solution:
one Check whether the path of the engraving software is correct or not;
2. Check the gap size of the lead rod and whether the fastening screw of the smooth rod is loose;
3. Check that the software parameters are set correctly.
Problem 4: When X axis walks a certain section, Z axis does not lift the knife, and presses up but goes down.
The solution:
one Check whether Z-axis motor is running normally, power and drive current;
2. Check the Z-axis motor line for poor contact or discontinuity.
Problem 5: Spindle motor does not rotate or reverse.
The solution:
one Check the parameter setting of the frequency converter;
2. Whether the signal line of the inverter is connected inversely.
Problem 6: Knife smashing occurs.
The solution:
1. Z-axis motor power is not enough, coupling loose;
2. The current of the Z-axis driver is too small, or the signal line is connected incorrectly.
Problem 7: When the software is turned on, the shaft is closed.
The solution:
one Driver problems or poor contact of the computer output signal line;
2. Motor wire contact is poor.
Problem 8: There is a limiting phenomenon in the engraving process.
The solution:
one Check whether the engraving path exceeds the engraving range;
2. Soft limit for parameter Settings in the V6.02 software.
Problem 9: The machine does not power on when it is turned on.
The solution:
one Check whether the start button wire is connected and whether the button is burned out;
2. Check the AC contactor for short circuit or burn out.
Problem 10: When the button moves, the axis only goes in one direction.
The solution:
one Check whether the optical lotus wire is working normally and whether the line is in good contact;
2. Check whether the motor line has virtual welding.
Problem 11: The sending software does not open properly, and the carved things are deformed.
The solution:
one Reinstall new systems and software;
2. Check whether X, Y axis screw and screw are loose;
3. The carving knife has a problem
◆ Engraving machine single axis or three axis does not walk or walk abnormal
1. The control card is loose or faulty. 2. The driver of the corresponding shaft is faulty; 3. The corresponding shaft stepper motor is faulty; 4. The corresponding shaft connector is broken or loose (the shaft connector is loose and the font is misaligned when carving); 5. The corresponding screw is broken or the screw nut is faulty; 6. The sliding speed of the corresponding shaft fails; 7. Driver fine score, current, and software Settings are different.
◆ Engraving machine Z-axis out of control (knife)
1. The control card is loose or faulty. 2. Static interference; 3. Z-axis motor line failure; 4. The file path is incorrect. 5. Frequency converter interference; 6. Computer system problems or viruses; 7. Z-axis motor power is not enough, coupling loose; 8. The current of Z-axis driver is too small, or the signal line is connected incorrectly.
◆ Engraving machine error
1. The control card is loose or faulty. 2. The drive is faulty. 3. Stepper motor failure; 4. Static interference; 5. Motor line fault; 6. Data line fault; 7. The path is incorrect. 8. The coupling is broken or loose; 9. Processing speed is too fast; (System parameters curve acceleration is too large) 10. Computer system problems or viruses) ◆ Engraving machine engraving depth is different
1. The control card is loose or faulty. 2. Stepper motor failure; 3. Driver failure or current subdivision is inconsistent with software Settings; 4. Z-axis motor line failure; 5. Spindle motor failure; 6. Frequency converter interference or data setting is wrong; 7. Static interference; 8. Computer viruses or system problems; 9. Uneven work platforms.
◆ Engraving machine inscribing
1. The control card is faulty. 2. Frequency converter interference; 3. The file path is incorrect. 4. Static interference; 5. There is a problem with the software Settings; 6. The driver is faulty or the current subdivision setting is incorrect; 7. Data line failure; 8. Your computer has a virus or system problem.
◆ Engraving machine milling bottom uneven
1. The spindle and the table are not vertical and need to be corrected (symptoms: the depth of the lower tool and the retracting tool are different); 2. The knife has problems; 3. The control card has a problem; 4. Z-axis drive or Z-axis screw has a problem.
◆ Engraving machine spindle stop
1. Internal short circuit of spindle; 2. Current shielding; 3. The frequency converter parameter setting is wrong or its own fault; 4. The control card is faulty. 5. The main axis or data cable is short circuited.
◆ Engraving machine spindle rotation sound is not normal
1. The frequency converter is incorrectly set; 2. Spindle does not rotate; 3. The spindle itself has a problem (bearing damage).
◆ When the engraving machine walks or returns to the mechanical origin, the direction is opposite
1. Change files in Notepad; 2. Modify the wiring method of the inverter; 3. Modify the motor direction in the Vmacro software.
◆ Engraving machine can not return to the mechanical origin normally
1. The opposite direction; 2. The control card is faulty or loose; 3. Limit switch or data line failure; 4. The drive is faulty. 5. Near motor failure.
◆ Engraving machine spindle automatically turn or can not stop
1. The control card is faulty. 2. The frequency converter is faulty.
◆ When the engraving machine opens the macro software, the computer prompts "operation failure"
1. Check whether the driver of the board is installed, or replace the board with a PCI slot; 2. Reinstall the two data connection cables and check whether the needle is broken; 3. If the board is faulty, replace the board.
◆ When the engraving machine opens the software, it prompts: three-axis alarm, initialization error number four
1. Check whether the two data cables of the computer and the machine are connected properly; 2. Check whether the fuse of the conversion board in the control box is burned off and replace the fuse. 3. Check whether the 85V power supply is normal.
◆ When engraving machine engraving dislocation or wrong size
1. Check whether the path of the engraving software is correct; 2. Check the gap size of the lead rod and whether the fastening screw of the smooth rod is loose; 3. Check that the software parameters are correctly set.
◆ When the X axis of the engraving machine walks a certain section, the Z axis does not lift the knife, and the press goes up but goes down
1. Check whether the Z-axis stepper motor runs normally, the power and the size of the drive current or its own fault; 2. Check whether the Z-axis stepper motor line has poor contact or discontinuity; 3. The controller card is faulty.
◆ Engraving machine spindle motor does not rotate or reverse
1. Check the parameter setting of the inverter; 2. Whether the signal line of the inverter is reversed.
◆ When the engraving machine opens the software, the shaft is closed
1. Driver problems or poor contact of the computer output signal line; 2. Poor contact of motor line.
◆ There is a limiting phenomenon in the process of engraving machine
1. Check whether the engraving path exceeds the engraving range; 2. Set the soft limit in the software.
◆ The sending software of the engraving machine cannot be opened normally, and the carved things are deformed.
1. Reinstall the new system and software; 2. Check whether X, Y axis screw and screw are loose; 3. The carving knife has