The maintenance cycle for CNC lathes varies depending on the maintenance level and items, mainly divided into daily, periodic (weekly/monthly), Level 1, and Level 2 maintenance. Generally speaking, daily maintenance should be performed every day; Level 1 maintenance is typically performed after 500 hours of machine operation or every two months; and Level 2 maintenance is performed annually.
1. Daily Maintenance (Daily) Performed before and after each workday, focusing on cleaning, lubrication, and inspection:
Clean guide rails, lead screws, and feed rods, removing oil and metal shavings.
Check lubricating oil and coolant levels, replenishing as needed.
Check spindle air supply and pneumatic system pressure for normal operation.
Disconnect power before leaving get off work and thoroughly clean the machine.
2. Weekly/Monthly Regular Inspections
Weekly: Clean and lubricate the bed guide rails and intermediate slide guide rails.
Monthly: Check power stability and air dryer; clean if necessary.
3. Level 1 Maintenance
(Approximately every 500 hours of operation or every 2 months) Primarily performed by the operator, with maintenance personnel assisting, taking 4-6 hours:
Spindle Maintenance: Clean oil filter, check lock nuts, adjust clutch clearance.
Gearbox Changeover: Clean gears, inject new grease, check bushings.
Clean and lubricate slides, tool post, and tailstock.
Lubrication System: Clean coolant pump and oil filter, ensuring unobstructed oil flow.
4. Level 2 Maintenance (Annual)
Primarily performed by maintenance personnel, assisted by operators, with a 3-4 day downtime:
Complete disassembly and inspection of key components such as the spindle, servo system, and ball screw.
Replace hydraulic oil and lubricating oil; clean the oil tank.
Inspect the DC servo motor brushes; replace those with severe wear.
Measure vulnerable parts and request spare parts.