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Run: CNC Machine Daily Pre-Op Inspection

A daily pre-op inspection for CNC machines that checks guards, coolant, lubrication, tooling, offsets, and setup readiness before the first cycle. Use it to ...

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Machine Safety and Guards

Confirm all required guards are in place and functioning. Do not start the machine if a guard is missing, bypassed, or damaged.
Verify the E-stop and primary controls can be reached without obstruction and are not damaged.
Check the immediate area for loose tools, debris, coolant spills, or other obstructions that could affect safe operation.

Coolant and Lubrication

Verify coolant is at the proper level for the machine and operation. Add coolant if below the minimum operating level.
Look for excessive tramp oil, foul odor, discoloration, foam, or visible contamination that could affect machining or tool life.
Confirm way oil reservoir or lube system is within the acceptable operating range and there are no obvious leaks.

Tooling and Offsets

Confirm tool length, diameter, wear, and work offsets are correct for the loaded job and have been verified after any tool change.
Inspect the toolholders and cutting tools for looseness, wear, cracks, or incorrect tooling for the job.
Verify the vise, chuck, fixture, or clamps are tight and the part is properly seated before starting the cycle.

Machine Readiness

Verify the machine powers up normally and there are no active alarms preventing safe operation.
Confirm the correct CNC program and job documentation are loaded for the current production run.
Record any abnormalities, adjustments made, or follow-up actions needed before production starts.

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