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