Job Description:

• 1) Sets up and operates numerical-control drilling machine to drill holes into printed circuit boards: Reviews setup instructions and specifications.

• 2) Loads control media containing programmed commands into control console of machine or enters commands to retrieve programmed control data.

• 3) Attaches depth collars to drill bits and measures bit depth, using depth gauge, to verify specified drill bit cutting depth.

• 4) Measures drill bit sizes, using micrometer, and installs specified drill bits in tool magazine of machine.

• 5) Positions and secures PCB's to indexing table of machine.

• 6) Enters commands to activate machine that automatically aligns indexing table and printed circuit boards under spindle, selects drill bit, and drills holes of specified dimension, location, and sequence into PCB's.

• 7) Monitors machine operation and display readouts to detect malfunctions.

• 8) Compares display data to specifications and notifies supervisor of machine malfunctions.

• 9) Inspects and measures drilled PCB's to verify conformance to specifications, using measuring devices, such as micrometer, plug gauges, and test board.

• 10) Performs machine adjustments and maintenance, such as setting speed and feed rates, cleaning machine parts, and replacing worn or damaged drill bits, using handtools.