Troubleshooting Common Issues with Computerized Heat Shrink Tubing Cutters

DONGGUAN, China - Nov. 6, 2024 - PRLog -- Computerized heat shrink tubing cutters are invaluable tools in many industries, offering efficiency and precision in cutting operations. However, like any machinery, they can sometimes encounter issues. This guide will help you troubleshoot and resolve common problems with your computerized heat shrink tubing cutter.

Startup Problems

• Alarm at Startup:
  • Cause: Excessive starting torque due to upper cutter inertia.
  • Solution: Loosen the cutter slide rail screw, start the machine, and adjust the screw for optimal tightness. If the issue persists, reposition the eccentric wheel.
• Normal Startup, Alarm During Operation:
  • Cause: Tightness or wear on the cutter slide rail.
  • Solution: Follow the solutions for "Alarm at Startup."

Common Alarm Faults

• Batch Pause: An intermittent buzzer indicates a temporary pause.
• Abnormal Cutting: An intermittent buzzer and "Knife Abnormal" message signal a cutting issue. Press "Stop" to silence the alarm.

Shutdown Button Malfunction

• Cause: Program error.
• Solution: Power cycle the machine and perform a factory reset. Refer to your machine's manual for specific instructions.

Stepper Motor Issues

• No Motor Rotation:
  • Cause: Faulty connection between the motherboard and stepper driver.
  • Solution: Check the connections or contact the vendor.
• One-Direction Rotation:
  • Cause: Issue with the stepper motor driver's direction signal or the driver itself.
  • Solution: Verify the connections or contact the vendor.
• No Rotation in Either Direction:
  • Cause: No power to the stepper driver.
  • Solution: Check connections between the driver, motherboard, and stepper motor. If the issue persists, contact the vendor.

Cutter and Feed Wheel Problems

• Cutter Operates, Feed Wheel Doesn't:
  • Cause 1: Program error.
  • Cause 2: Broken triangular belt on the feed wheel drive transmission.
  • Solution: Check and replace the belt if necessary.
• Inconsistent Cut Lengths:
  • Causes: Improper pressure roller adjustment, dirty or contaminated feed wheel, worn-out feed wheel, or excessive resistance from the material rack.
  • Solutions: Adjust the pressure roller, clean the feed wheel, replace a worn-out wheel, or consider a rotating material rack.
• Uneven Cutting with Burrs:
  • Cause: Worn-out cutter.
  • Solution: Replace the cutter or grind old cutters for reuse.
• Failure to Feed:
  • Cause: Loose slide rail obstructing the feed.
  • Solution: Tighten the adjustment screw to raise the cutter's stopping position.
• Start Button Inoperative:
  • Cause: Production count has reached the set limit.
  • Solution: Clear the count and restart.
• Abnormal Noise:
  • Cause 1: Severe wear on the slide rail.
  • Cause 2: Vibrating pressure roller.
  • Solutions: Replace the slide rail and cutter frame or wrap tape around the pressure roller shaft head to reduce vibration.

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