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Job Description:

  • 1) Sets up and operates drill-sharpening machine to sharpen drill bits used in numerically controlled drill for fabricating printed circuit boards: Reads work order to determine number and size of drill bits to be sharpened.

  • 2) Inserts drill bits into cleaning machine, point-side down, that automatically starts brushes rotating to clean and remove debris from dull bits.

  • 3) Removes drill bit from cleaning machine and measures bit to verify specified size, using micrometer.

  • 4) Selects corresponding size bushing and mounts bushing into chuck of sharpener, using handtools.

  • 5) Inserts drill bit in chuck of sharpener and activates table that moves chuck and bit assembly through rotating abrading wheels to sharpen both sides of drill bit.

  • 6) Flips switch to release chuck and drill bit and removes bit.

  • 7) Observes sharpened bits under optical microscope to detect defects, such as chips or breaks.

  • 8) Discards defective drill bits.

  • 9) Places sharpened drill bits in box, point-end up.

  • 10) May clean sharpener.




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End Of Job Description for: "DRILL-BIT SHARPENER"
DOT:   603.682-030

Job Number: 3194