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How to maintain a shearing machine for sheet metal to extend its service life

2025-08-13 Leave a message

Shearing Machine Maintenance Guidelines

Regular Blade Inspection and Maintenance

  • Inspect blades weekly for wear, cracks, or dullness
  • Clean blades after each use to remove metal shavings and debris
  • Sharpen blades when cutting quality declines to prevent machine stress
  • Maintain proper blade alignment and gap settings according to material thickness
  • Replace blades entirely if they show significant damage

Hydraulic System Care

  • Check hydraulic fluid levels daily
  • Inspect hoses and seals monthly for leaks, cracks, or bulging
  • Change hydraulic oil and filters every 6–12 months
  • Bleed air from the system regularly to ensure smooth operation
  • Use only manufacturer-recommended hydraulic oil

Cleaning and Debris Removal

  • Wipe down surfaces daily to remove metal dust and dirt
  • Use compressed air to clear debris from guides and gears
  • Clean the machine's base weekly to prevent rust
  • Pay special attention to electrical components
  • Keep surrounding area free of accumulated metal particles

Lubrication of Moving Parts

  • Lubricate moving parts every 2–4 weeks
  • Follow the machine's manual for lubrication points
  • Use specified grease or oil for different components
  • Wipe away excess lubricant to prevent dust adhesion
  • Ensure pivot points receive regular lubrication

Calibration and Alignment Checks

  • Schedule monthly checks for machine alignment
  • Verify ram is parallel to the table using precision tools
  • Recalibrate backgauge if measurements drift
  • Check blade holder alignment regularly
  • For CNC models, run calibration programs frequently

Safety Device and Control System Maintenance

  • Inspect safety features weekly (emergency stops, guards)
  • Test control panels monthly for responsiveness
  • Check wiring harnesses for fraying or loose connections
  • Clean electrical contacts when needed
  • Update CNC software as recommended by manufacturer