7.11 Back Sander

Considerations

Pre-Operation Checklist is a prerequisite for ANY operation.
Tool/Machine Manufacturer's safety rules and guidelines are followed.
Verifies tool is properly guarded.
Demonstrates knowledge of and proper use of all machine specific controls.
Proper stance and hand position are demonstrated.
Inspect for evidence of defective finish conditions such as but not limited to chatter marks, streaking or part hesitation.
Spot check sanded dimensions following the operation.
Abrasive belt conditions are monitored, analyzed and changed as required.
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 is completed in a timely manner.

Verifies dust collection operable/operating.
Ensures paths of in-feed and out-feed have no obstructions to material and operator.
Minimum part length is observed.

Sets optimum initial thickness prior to first pass based on maximum thickness or species of material.
Installs appropriate grit/type of belt for given operation
Checks and adjusts (when required) abrasive belt tracking
Verifies proper adjustment of feed roller.
Meets Level 1 performance standard.

Given machine already set up, adjusted, with material ready, sand to the specified grit and thickness.
Performance Standard -

Correct surface(s) sanded.
Proper incremental adjustment made on each pass to reach specification.
Staggers loading to ensure entire width of belt and bed is used.
Pieces fed in correct direction with regard to grain.
Desired thickness within specified tolerance ±0.1 mm [0.004"] side to side is achieved.

Given specifications, set up machine to sand to the specified feed speed, grit and thickness.
Performance Standard -