LA PREGUNTA
Why do parts that passed inspection come back?
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Quotes are won on price, so cycle times are cut to the bone
I mean this is how it goes most weeks.
Nadie ha dicho nada aún.
Maintenance is done when a machine stops
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The customer's returns log and ours do not match
Meaning the repeat returns, not the one bad batch in spring.
Sales promises tolerances the machines cannot hold reliably
Packaging damages parts that were fine when they left the machine
conjunto 2en discusión (1)
Tool wear is judged by ear
Meaning the repeat returns, not the one bad batch in spring.
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Setup sheets are in the setter's head, not on paper
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The one person who can read the CMM output left last year
I mean this is how it goes most weeks.
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Deburring is done by whoever is free
Batch traceability ends at the door
Night shift has no inspector
The same operator runs the same machine for years and nobody checks the settings
New jobs are quoted from the last similar job, not from the drawing
I mean this is how it goes most weeks.
Scrap is thrown in the skip before anyone measures it
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Nobody has asked the customer what they measure
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Quotes are won on price, so cycle times are cut to the bone
I mean this is how it goes most weeks.
The drawing on the floor is not the revision the customer ordered
The oldest machine makes the tightest-tolerance part
Coolant is changed when it smells, not on a schedule
conjunto 3en discusión (1)
Material certificates are filed but never read
First-off inspection is skipped when the job is late
Meaning the repeat returns, not the one bad batch in spring.
Parts that pass our inspection fail the customer's
A returned part is remade, not investigated
Meaning the repeat returns, not the one bad batch in spring.
Customers changed their inspection method and never told us
Our gauges are calibrated once a year, theirs every month
Meaning the repeat returns, not the one bad batch in spring.
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Operators are paid on parts per hour
Temperature in the shop swings fifteen degrees between morning and afternoon