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Slide 46
Quality
Management System Implementation
Characteristics I
•CHARACTERISTIC: A
distinguishing feature, dimension or property of a process or its output
(product) on which variable or attribute data can
be collected. (P39 APQP)
•
•CHARACTERISTIC, CRITICAL, CHRYSLER DEFINITION:
Characteristics applicable to a component, material, assembly, or vehicle assembly operation which
are designated by Chrysler Corporation Engineering
as being critical to part function and having particular quality, reliability
and/or durability significance. These include characteristics
identified by the shield, pentagon, and diamond. (49 PPAP)
•
•CHARACTERISTIC, CRITICAL
(INVERTED DELTA), FORD DEFINITION:
Those product requirements (dimensions,
performance tests) or process parameters that can affect compliance with
government regulations or safe vehicle/product
function, and which require specific supplier, assembly, shipping, or monitoring and included on Control Plans. (P49 PPAP)
•
•CHARACTERISTIC, CRITICAL, GM DEFINITION: See Key Product
Characteristic. (P49 PPAP)
•
•CHARACTERISTIC, KEY CONTROL (KCCs): Those process
parameters for which variation must be controlled
around a target value to ensure that a significant characteristic is maintained
at its target value. KCCs require ongoing monitoring per an approved Control
Plan and should be considered as candidates for process improvement. (P49 PPAP)
•
•CHARACTERISTIC, KEY PRODUCT (KPC): Those product features
that affect subsequent operations, product
function, or customer satisfaction.
KPCs are established by the customer engineer, quality representative, and supplier personnel from a review of
the Design and Process FMEA’s and must be included
in the Control Plan. Any KPCs
included in customer-released engineering requirements are provided as a starting point and do not affect the
supplier’s responsibility to review all aspects of the design, manufacturing process, and customer application and to
determine additional KPCs. (P49
PPAP)