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6.6 Slot Mortiser

Considerations

  • Pre-Operation Checklist is a prerequisite for ANY operation.
  • Stock is supported as necessary.
  • Proper stance and hand position are demonstrated.
  • Demonstrate appropriate feed rate to control cutter movement and waste removal relative to the size and type of mortise being made.
  • Stock is held securely against the fence or fixture as appropriate.
  • Clears machine and cleans work area after operation.
  • Required OSHA approved personal protective equipment is worn.
  • Lock-out/Tag-out procedure is in place and followed.

Pre-Operation Checklist

Level 1

Performance Standard -
  • Verifies tool is properly guarded.
  • Demonstrates knowledge of and proper use of all machine specific controls.
  • Verifies jigs and/or fixtures are secure and operating effectively.
  • Verifies hold-downs are positioned correctly and function properly.
  • Verifies dust collection is positioned for effective chip removal.

Level 2

Performance Standard -
  • Verifies cutting tools are secure and free of defects.
  • Verifies table is free of defects and clean.
  • Verifies arbor height, depth stops, and table angle are set to specified dimension(s).
  • Installs cutting tools and verifies cutter rotation.
  • Installs and properly adjusts required jigs, fixtures and/or stops.
  • Verifies fences are set with appropriate clearance to cutter head.
  • Meets Level 1 performance standard.

6.6.1 - Create Mortises To Specified Location and Depth

Level 1

Given stock marked for single mortise, machine set up to work with cutter installed, fence, location, and depth stops set, create a slot mortise at the proper location to specified depth.
Performance Standard -
  • Material is mortised to proper depth, width and length ±0.4 mm (1/64") [0.0156"]
  • Material is mortised in proper position ±0.4 mm (1/64") [0.0156"]
  • Mortise is free of tear-out at entry point
  • Sides of mortise are smooth and free of burn marks

Level 2

Given a layout and stock ready to be mortised, set up and adjust machine to mortise in the proper position to specified depth.
Performance Standard - .
  • Examines spindle for wear and lubricates machine as necessary
  • Diagnoses and corrects table misalignment
  • Fabricates a jig for angled mortises or a production fence with stops for multiple mortises
  • Meets Level 1 performance standard

6.6.2 - Mortise 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 -
  • Mortise is located in proper position ±0.4 mm (1/64") [0.0156"]
  • Mortise is free of tear-out at entry and exit points
  • Sides of mortise 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 -
  • Examines spindle for wear and lubricates machine as necessary
  • Diagnoses and corrects table misalignment
  • Fabricates a jig for angled mortises or a production fence with stops for multiple mortises
  • Meets Level 1 performance standard