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Why do parts that passed inspection come back?
Customers changed their inspection method and never told us
a walkthrough with stand-ins — a demonstration, not a finding · sealed
It significantly influences
Coolant is changed when it smells, not on a schedule
certified · 13 yes · 2 no
Operators are paid on parts per hour
certified · 12 yes · 2 no · 1 abstained
Judged not to be linked
Quotes are won on price, so cycle times are cut to the bone
judged not to · 0 yes · 14 no · 1 abstained
The oldest machine makes the tightest-tolerance part
judged not to · 0 yes · 14 no · 1 abstained
Temperature in the shop swings fifteen degrees between morning and afternoon
judged not to · 1 yes · 14 no
Rework is not counted anywhere
judged not to · 3 yes · 11 no · 1 abstained
Batch traceability ends at the door
judged not to · 1 yes · 14 no
The same operator runs the same machine for years and nobody checks the settings
judged not to · 4 yes · 23 no · 2 abstained · cross-group
The drawing on the floor is not the revision the customer ordered
judged not to · 1 yes · 14 no
Quotes are won on price, so cycle times are cut to the bone
judged not to · 2 yes · 13 no
Coolant is changed when it smells, not on a schedule
judged not to · 0 yes · 14 no · 1 abstained
The oldest machine makes the tightest-tolerance part
judged not to · 2 yes · 12 no · 1 abstained
Operators are paid on parts per hour
judged not to · 1 yes · 14 no
Temperature in the shop swings fifteen degrees between morning and afternoon
judged not to · 1 yes · 14 no
Rework is not counted anywhere
judged not to · 1 yes · 12 no · 2 abstained
Batch traceability ends at the door
judged not to · 0 yes · 14 no · 1 abstained
The same operator runs the same machine for years and nobody checks the settings
judged not to · 1 yes · 14 no
The drawing on the floor is not the revision the customer ordered
judged not to · 3 yes · 12 no
A group’s judgement, not a measurement. Demo room. On the atlas.
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Link: https://truecauses.org/c/9458191/e46aacb-customers-changed-inspection-method-told
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