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Download CNC machine Preventative maintenance check list
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CNC Machine Preventative Maintenance Check List Customer/Cust Ref Model Serial Number Inspection Check Comments or Readings Safety Operation Interlocks E-stop Buttons Proper Guarding Damage Alignments Level Square Y and Z on square X and Y on square Orientation Axis Reference positions Lubrication Check Initial levels Spindle Lube tank Way lube Tank Air Lubricators Hydraulic Unit Drain, Clean Suction Filter, Wipe out Spindle lube unit-suction/in-line Way Lube unit-suction/in-line Hydraulic System Inspect for Cracked Hoses Check for Oil leaks Drain, Clean Suction Filter Clean oil cooler fins Pressure Check filter element Hydraulic oil temp Wipe out Tank Page 1 of 4 Inspect air Filters Electrical Cabinet Incoming air filter/separator Other Oil Cooler Clean Filter Clean Condenser Change oil Clean fan fins Oil temp display Oil tank temp Inspect proper operation Headstock/Spindle Check for abnormal Noise/load 1. High RPM 2. Low RPM Speed tac every 500 RPM Run out of Taper Vibration Heat Tool Knockout Din plugs high pressure Coolant from taper area after High pres. Check Clamp Force ATC/APC and Magazine Inspection ATC Smooth operation ATC fingers bent or worn Main arm operation and alignment Sub arm operation and alignment Transfer put assembly/alignment Alignment APC - Pallet Clamp OK Magazine motor oil level Magazine chain tight Magazine guide rails worn APC Noise Coolant or air blowing under pallet Oil level in APC gearbox Tool Arm Rotation Center Pallet Changer manual op A pallet squareness B pallet squareness B-axis clamp-No Rotation Page 2 of 4 Electrical inspection Connections in cabinet Power supply voltages Cables, Shielding Cooling Fans running/clean 1. Electrical cabinet 2. Axis drives and I/O 3. Axis and spindle drive 4. In front behind CRT 5. Axis motor fans 6. Other Servo Motors- Noise, Humming Battery Voltage, NC, and APC Incoming power Transformer taps set to incoming volts Servo motor-to ground/phase to phase X-axis Y-axis Z-axis B-axis Spindle XYZB-axis Inspection Backlash of ball screws X-axis Y-axis Z-axis Gib movement X-axis Z-axis Slide seals Inspect Covers for proper function B-axis square B-axis Clamping Axis noise (rapid program) Axis load meter at various speeds Axis drainage Optional Accessories Fixture Clamp Device or Unit Hydraulics Other Conveyors Inspect cabling, and connections Grease bearings Page 3 of 4 High Pressure Unit Inspect Cables Connections to machine Change Filters Change gear oil in Pump Check pressure settings Additional Comments/Summary Page 4 of 4
