How should pipe-processing machines be regularly maintained and inspected?
Release time:
2026/03/25
Regular maintenance and inspection of pipe processing machines are essential for ensuring equipment accuracy, extending service life, and preventing unexpected failures. It is recommended to follow a full-cycle maintenance strategy consisting of “daily inspections, periodic maintenance, and annual calibration.”
I. Daily Maintenance (30 minutes before startup)
Cleaning and Chip Removal: Use a lint-free cloth to clean the guideways, worktable, fixtures, and spindle end face, thoroughly removing metal chips and oil residue to prevent contaminants from entering the sliding clearances;
Lubrication System Inspection: Verify that the lubricant tank level is within the marked range and that oil pressure is normal (0.2–0.4 MPa). After startup, observe whether oil supply to critical components such as guideways and lead screws is uniform;
Cooling and Hydraulic Systems: Check the coolant level and filter, and promptly remove impurities; verify that the hydraulic oil level meets specifications and that there are no leaks in the lines;
Safety Device Verification: Test the responsiveness of the emergency stop button and guard door interlocks; ensure the control cabinet fan is operating normally.
II. Periodic Specialized Maintenance
Monthly: Check the preload of the spindle bearings, inspect the dust filters and terminal blocks in the electrical cabinet for looseness, and clean dust from the hydraulic oil cooler;
Quarterly: Inspect lead screws, guideways, and slides for wear; adjust clearances as necessary; replace pneumatic system filters; check chain tension;
Semi-annually: Measure backlash on the X/Y/Z axes; verify positioning accuracy using a dial indicator; inspect motor insulation resistance and cable condition;
Annually: Thoroughly clean the hydraulic and lubrication systems; replace aged seals, fluid, and filters; perform overall machine accuracy testing and bed leveling to ensure machining stability.
III. Key Component Monitoring
Tool Magazine System: Replace lubricating oil after 2,400 continuous operating hours; inspect cam lubrication status monthly;
Spindle: Disassemble and inspect the front bearings annually and replace the grease to prevent overheating damage during high-speed operation;
Control System: Regularly back up the PLC program, check servo parameters and battery charge levels to prevent data loss.
Maintenance must be performed with the power disconnected. Maintain detailed records to facilitate fault tracing and optimization of maintenance intervals.
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