Page 444 - Design for Six Sigma a Roadmap for Product Development
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Steel deformation characteristics Coating acts as lubricant Arm plate tooth depth Pivot tube concentricity Strength of pivot tube mat’l Arm plate orientation Axial force Pulley Arm Plate Comes Off Pivot Tube Arm Plate
MATERIALS Arm surface not // Min-Max condition Pivot tube wall thickness Validation Hardness Spring rate Deflection After swage diameter PROCESS METHODS
Armplate I.D.
Pivot tube O.D.
Swage Wear of tool Operator Instruction Training
MACHINE Position Diameter Clamp Pressure PEOPLE
Groove No taper
Head Design Axial force Harmonic Validation Pulley armplate disassembly failure mode.
Deflection
ENVIRONMENT Loose mounting bolt Mishandling Internal vibration External vibration Axial load Against stop Improper belt No push-off test in place No push-off call-out on print MEASUREMENT
Installation load Figure 11.6
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