CNC machine maintenance checklist for daily,weekly,monthly,half yearly and yearly inspection.

CNC machine daily maintenance checklist

Machine partsChecklist
Mechanical1-Ensure that the machine is clean near Chuck or spindle and Bed .
2-Check all cover or Guard for security.
3- Clean the slide rails like door or Cover.
Electrical1-Check indicator lights for all components.
2-Test all the emergency push button.
3-Test all the motor. start and press emergency push button.
4- Check overall machine operation.
Hydraulic1-Check the leakage.
2-Check the Oil Level.
3-Check the Chiller unit is working well.
Tool setter1-Inspect all tooling for sign of damage.

Weekly maintenance checklist

Machine partsChecklist
Mechanical1-Check the Oil level of Head stock/Gear Box and Automatic Lubrication Unit.
2- Check for any mechanical part is damaged.Any loose of mounting bolts.
3- Check any abnormal sound from Gear box.
4- Check all the guide way for proper lubrication.
Electrical1-Check the Cable shaping of cable loop.
2-Check all cable for any damage of insulation.
3-Check any chattering sound from any component.
4-Check the current consumption of all motor.
Hydraulic1-Pipe should not Damage.
2-Check if any abnormal sound from pump.

CNC machine Monthly maintenance checklist

Machine partsChecklist
Mechanical1-Check all the drive belt.Tension should be correct.Belt should not be damaged.
2-Check the filter of Gear box lubrication.Clean if required.
3-Check the coolant condition.Replace if required.
4-Check the Jaws for jamming.Lubricate if required.
Electrical1-Check all the Motors.
2-Re torque the bolting of Motors .Clean the surrounding.
3-Check all the electromagnetic components. All are working properly.
4-Check all the Brush of rotating component.Replace if required.
For example replace the telescopic brush of Clutch. Carbon brush of DC motor and generator.
Hydraulic1-Check the leakage.
2-Check the Oil Level.
3-Check the Chiller unit is working well.
4-Pipe should not Damage.
5-Check if any abnormal sound from pump.
6-Clean the Filter.
7- Check the pressure setting.

Half Yearly maintenance

Machine partsChecklist
Mechanical1-Check the Clearance in guide ways. Check the Taper wedge for wear and tear.
2-Check the accuracy of output product.
3-Check any taper cutting .
4-Check the Alignment of head/Spindle .
5- Check the backlash of axis drive.
Electrical1-Check all Limit switches .
2-Check all Proximity switches.
3-Re torque all Breaker connection.
Hydraulic1-Re torque all valves and Cylinder mounting.
2-Check all safety valve.
3-Replace all filter.
4-Replace the O ring of valve if required.
5-Check the oil leakage from cylinder.

Yearly Maintenance Checklist

Machine partsChecklist
Mechanical1-Check the radial and axial play of spindle .
2-Replace all the wiper of guide way.
3-Mounting of guide way.
3-Bearing condition.
4-Leveling of base.Align if required.

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