Incorrect Workpiece Selected

Definition

A workpiece that does not conform to the relevant bill of material, blueprint, specifications, etc.

Description

The following are examples of incorrect workpieces:

• Production runs consisting of multiple versions of base product, for which part "A" is selected when part "B" is required.
• Workpiece that has not been made correctly.
• Workpiece that is not of the proper design level (revision).

Detection

Incorrect workpiece may be detected by observing one or more of the following issues:

• Brittle Weld
• Cracks and Holes
• Excessive Indentation
• Expulsion/Burn Through
• Extra Welds
• Inconsistent Weld Quality
• Interfacial Separation
• Mislocated/Edge Weld
• Missing Weld
• Nonround Weld
• Poor Class A Appearance
• Sheet Metal Distortion
• Sticking/Stuck Tips
• Stuck Weld
• Undersized Weld

Significance

Quality, Workplace Issues, Cost, Downtime, Maintenance, Throughput (cycle time; PPH), are all potentially affected by this condition.

Subordinate Causes

• Improper detection of current model (mechanical or electrical failure)
• Improper location of stock material
• Improper revision level documentation on plant floor
• Inadequate training

Note

Also see Damaged Part.