This page has been edited 52 times. The last was made by - gheuer gheuer on May 20, 2015 9:33 am GMT


6.1 Single Spindle Drill Press

Considerations

  • Pre-Operation Checklist is a prerequisite for ANY operation.
  • Operations are properly guarded.
  • Safe hand positions are used.
  • Appropriate stance is utilized for optimum balance and part control.
  • Sharp appropriate tooling is furnished from the tool room.
  • Appropriate and safe feed rate is demonstrated while controlling stock movement.
  • Proper evacuation of chips is monitored to prevent inaccurate placement, bit binding, or material burning during operation.
  • Suitable backing material is available to minimize back blow-out.
  • Stock is held securely in position and/or against the fence as appropriate.
  • Drill press is allowed to come up to speed before cutting.
  • Depth gauge is adjusted to correct depth and is properly used.
  • Drill press is allowed to come to a complete stop prior to changing tooling.
  • Operator clears machine and cleans work area after use.
  • Required OSHA approved personal protective equipment is worn.
  • Lock-out/Tag-out procedure is in place and followed.
  • Process completed in a timely manner.

Pre-Operation Checklist

Level 1

  • Verifies table, fence, and stops are clear of chips or other obstructions.
  • Verifies guards, if any, are in place.
  • Demonstrates knowledge of all machine specific controls.
  • Verifies dust collection operable/operating, if applicable.
  • Verifies stock is held securely in position.
  • Verifies bit is installed securely and in the center of the chuck.
  • Verifies depth gauge, if set, is set securely.

Level 2

  • Installs and/or adjusts table, fence, and stop(s).
  • Demonstrates ability to select and change speed appropriately.
  • Installs or adjusts guard, if equipped.
  • Meets Level 1 performance standard.

6.1.1 - Drill Holes To Specified Location and Depth

Level 1

Given stock marked for single hole to be drilled, machine set up to work with bit installed, fence, location, and depth stops set, drill hole in proper position to specified depth.
Performance Standard -
  • Hole is drilled in proper position ±0.4 mm (1/64") [0.0156"].
  • Hole is drilled to proper depth ±0.4 mm (1/64”) [0.0156”].
  • Hole is free of tear-out at entry point.
  • Sides of holes are smooth and free of burn marks.

Level 2

Given stock, layout holes as specified, set up and adjust machine, drill hole(s) in proper position to specified depth.
Performance Standard -
  • Selects and installs proper tooling.
  • Selects and sets proper speed for bit and material.
  • Adjusts table properly.
  • Adjust depth stop properly.
  • Meets Level 1 performance standard.

6.1.2 - Drill Holes Completely Through Material

Level 1

Given stock marked for single hole to be drilled, machine set up to work with bit installed, fence, location, and depth stops set, drill hole in proper position.
Performance Standard -
  • Hole is drilled in proper position ±0.4 mm (1/64") [0.0156"]
  • Hole is free of tear-out at entry and exit points
  • Sides of holes are smooth and free of burn marks

Level 2

Given stock marked for hole(s) to be drilled, set up and adjust machine, drill hole(s) in proper position.
Performance Standard -
  • Selects and installs proper tooling.
  • Selects and sets proper speed for bit and material.
  • Adjusts table properly.
  • Adjusts depth stop properly.
  • Installs chip breaker backer board or block.
  • Meets Level 1 performance standard.