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2.8 Radial Arm Saw

Considerations

  • Pre-Operation Checklist is a prerequisite for ANY operation.
  • Demonstrates knowledge and proper use of all machine specific controls.
  • Blade is fed in smooth continuous motion through stock with proper feed rate while controlling stock movement and waste removal.
  • Stock is supported at out-feed.
  • Blade is completely stopped before reaching to the rear or over it.
  • Proper stance and hand position are demonstrated.
  • Stock is held securely against the fence or fixture as appropriate.
  • Fall off is not allowed to clutter out-feed table.
  • 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.
  • Process is complete in a timely manner.

Pre-Operation Checklist

Level 1

Performance Standard -
  • Verifies tool is properly guarded.
  • Ensures anti-kick-back pawl is in place and properly adjusted.
  • Verifies dust collection operable/operating.

Level 2

Performance Standard -
  • Selects proper blade for given operation/material.
  • Removes blade and installs new one.
  • Installs and properly adjusts blade guard.
  • Verifies/corrects head angle and arm angle.
  • Meets Level 1 performance standard.

2.8.1 - Crosscut

Level 1

Given solid stock and the tool set up ready to cut, safely crosscut stock perpendicular to the adjacent edge to specified lengths.
Performance Standard -
  • Angle of crosscut is 90º to the edge.
  • Angle of cut is 90º to the face.
  • Dimension tolerance for length is ±.0.4 mm (1/64") [0.0156"].
  • Cut surfaces exhibit uniform saw marks with minimal burn marks.
  • Cut is free of tear-out.

Level 2

Given material and machine, set up to crosscut material perpendicular to the adjacent edge to specified lengths.
Performance Standard -
  • Sets length stop or stops to yield specified length(s).
  • Calibrates the head angle and arm angle to 90º.
  • Meets Level 1 performance standard.

2.8.2 - Mitering

Level 1

Given material and machine set up and ready to cut, cut stock to specified length and miter angle.
Performance Standard -
  • Dimension tolerance of miter is ±0.5º from edge.
  • Angle of cut is 90º to the face.
  • Dimension tolerance for length is ±.0.4 mm (1/64") [0.0156"].
  • Cut surfaces exhibit uniform saw marks with minimal burn marks.
  • Cut is free of tear-out.

Level 2

Given material and machine, set up machine, cut stock to specified length and miter angle.
Performance Standard -
  • Meets Level 1 performance standard.

2.8.3 - Beveling

Level 1

Given material and machine set up and ready to cut, cut stock to specified length and Bevel angle.
Performance Standard -
  • Bevel tolerance is ±0.5º from face.
  • Angle of cut is 90º to the edge.
  • Dimension tolerance for length is ±0.0156" (1/64") [0.4mm].
  • Cut surfaces exhibit uniform saw marks with minimal burn marks.
  • Cut is free of tear-out.

Level 2

Given material and machine, set up machine, cut stock to specified length and Bevel angle.
Performance Standard -
  • Meets Level 1 performance standard.

2.8.4 - Cut Dados

Level 1

Given material and machine set up and ready to cut, cut dados at specified locations
Performance Standard -
  • Angle of cut is 90º to the edge.
  • Dimension tolerance is ±0.0156" (1/64") [0.4 mm] (both depth and width of cut along entire length).
  • Cut surfaces exhibit uniform saw marks with minimal burn marks.
  • Cut is located within ±0.0156" (1/64") [0.4 mm] of layout.
  • Sides of dado are 90º to the face of the material.

Level 2

Given material and machine, set up machine to cut dados at specified locations.
Performance Standard -
  • Meets Level 1 performance standard.