| Job Title |
Drill-bit Sharpener |
| Job Description |
Sets Up And Operates Drill-sharpening Machine (sharpener) To
Sharpen Drill Bits Used In Numerically Controlled Drill For
Fabricating Printed Circuit Boards (pcb's): Reads Work Order To
Determine Number And Size Of Drill Bits To Be Sharpened. Inserts
Drill Bits Into Cleaning Machine, Point-side Down, That
Automatically Starts Brushes Rotating To Clean And Remove Debris
From Dull Bits. Removes Drill Bit From Cleaning Machine And
Measures Bit To Verify Specified Size, Using Micrometer. Selects
Corresponding Size Bushing (brass Sleeve) And Mounts Bushing
Into Chuck Of Sharpener, Using Handtools. 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. Flips Switch To Release Chuck And Drill Bit And
Removes Bit. Observes Sharpened Bits Under Optical Microscope To
Detect Defects, Such As Chips Or Breaks. Discards Defective
Drill Bits. Places Sharpened Drill Bits In Box, Point-end Up.
May Clean Sharpener.
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