Plastic Industrial Machinery Troubleshooting & Maintenance Guide
Plastic processing plants heavily rely on continuous industrial machinery operations. Unplanned downtime, inverter faults, or temperature variations can stall production. Here is a troubleshooting guide for common issues and their technical solutions.
Common Problems & Technical Solutions
- VFD & Inverter Faults (Overload / Overvoltage)
- Cause: Voltage fluctuation, high torque startup, or motor overheating.
- Solution: Check parameter settings, test phase outputs, clean cooling fans, and inspect input power line stability.
- Extruder & Injection Heating Issues
- Cause: Damaged band heaters, faulty thermocouples, or SSR (Solid State Relay) failure.
- Solution: Measure resistance across heaters, calibrate PID temperature controllers, and inspect wiring connections.
- Hydraulic Pressure Drops
- Cause: Oil leaks, worn hydraulic pump seals, or clogged suction filters.
- Solution: Clean or replace hydraulic oil filters, check system pressure with a pressure gauge, and verify valve operation.
- Motor Overheating & Vibration
- Cause: Mechanical misalignment, bearing wear, or unbalanced loads.
- Solution: Re-align motor shafts, lubricate bearings according to spec, and test current draw on all three phases.
Our Specialized Services
Machinery Tech BD provides expert technical support and repair services for plastic machinery:
- Complete Industrial Automation & VFD Inverter Programming
- Control Panel Repairing & Maintenance
- Factory Machine Troubleshooting & On-site Support
Contact Us for Emergency Service:
Phone: +8801795505870
Email: machinerytech99@gmail.com
Location: Mirpur-01, Dhaka