COSMETIC ACCEPTANCE CRITERIA
Tier II Documentation
Work Instructions
Title:
COSMETIC ACCEPTANCE CRITERIA
Department: QUALITY ASSURANCE
Change Notice / Dev. Number
100-229
100-277
Revision History
Initial Release
Description
Revised Para 5.0.2
Reviewed and no changes required
Date
1/16/09
Old New
Rev. Rev.
-
I/R
06/29/10 I/R A
06/02/11 - A
Title Originator
Robert Davies
Department Head Kirit Patel
Revised By George Sheldon
Documentation George Sheldon/Kirit Patel Coordinator
Authorized Signatures
Date 1/16/09 06/29/10 06/29/10 06/29/10
Document Number WI190-004
Revision
A
FRM 120-007
Page 1 of 18
Rev I/R
EPE Work Instructions
Title:
Date Issued:06/29/10
1.0 1.0 Purpose PURPOSE AND SCOPE
1.0 The purpose of this document is to establish cosmetic acceptability and nonacceptability criteria for customer shippable parts, assemblies and final products that are purchased or consigned to EPE Corporation for value added assembly.
2.0 RESPONSIBILITIES 2.0 Quality is responsible for maintaining this document and the content. Quality applies the information contained here in or as it is modified and agreed to between EPE and the customer to determine material compliance with this document. 2.1 Program Manager is responsible for providing Cosmetic Specifications to EPE Customers prior to value added assembly. 2.2 Purchasing/Buyer is responsible for communicating cosmetic criteria/requirements to all Suppliers of EPE Corporation. 2.3 Manufacturing Operators are responsible for assessing questionable material conformance with this specification
3.0 SURFACE COSMETICS
3.0 General Inspection Requirements: 3.0.1 Cosmetic inspection at EPE Corporation or its suppliers shall use the TIME and DISTANCE method of inspection as described in different sections of this document. 3.0.2 The Cosmetic standards defined in this Workmanship Standard shall be used for training personnel, checking surface quality produced by any process and used in making "Accept/Reject" decision.
3.1 Viewing Conditions: 3.1.1 All inspection will be made under normal artificial lighting, unaided and viewed in a manner that duplicates the typical end use of the product. During cosmetic inspection, only visual qualities (appearance) of the part surface shall be considered. Surfaces shall be viewed without the aid of magnification, at an angle approx. 45? to normal of the surface to be inspected.
Document Number WI190-004
Revision
A
FRM 120-007
Page 2 of 18
Rev I/R
EPE Work Instructions
Title:
Date Issued:06/29/10
3.1.2 The following are Inspection criteria:
3.1.2.1 Inspection shall be conducted using the unaided eye.
3.1.2.2 Viewing distance shall be 18" or 24" as specified by surface class.
3.1.2.3 Viewing angle shall be 45? to the surface.
3.1.2.4
Light source shall be by cool white fluorescent light; the light source shall be positioned and distanced to provide optimal viewing and minimized glare and shadowing of the sample.
3.1.2.5
In the case where black light or other special lighting is required to detect or accent defects, the specifics specified in this procedure shall prevail, except where exempted in writing by the customer
3.1.2.6
Where subjectiveness intervenes in the assessment form/fit/function shall take precedent or where available 3rd party decision (including) but not limited to the customer/end user shall prevail.
.
3.1.3 General Guidelines
3.1.3.1 Viewing duration shall be based on part size as well as complexity.
Codes Viewing Distance Viewing Time Viewing Area
Class A 450mm (18 in.) 10 seconds
Class B 450mm (18 in.) 5 seconds
Class C 600mm (24 in.) 3 seconds
3.1.3.2 3.1.3.3
Discernable variation from the guidelines specified within this document shall be grounds for rejection.
Class "A" surfaces shall be manipulated during inspection to achieve maximum reflection of a light source. Class "B" and Class "C" surfaces shall NOT be manipulated during inspection. Refer to Class A, Class B, and Class C viewing condition figures below.
Document Number WI190-004
Revision
A
FRM 120-007
Page 3 of 18
Rev I/R
EPE Work Instructions
Title:
Date Issued:06/29/10
Class A (Viewing Conditions ? cool white light):
Class B (Viewing Conditions ? cool white light):
Document Number WI190-004
Revision
A
FRM 120-007
Page 4 of 18
Rev I/R
EPE Work Instructions
Title:
Date Issued:06/29/10
Class C (Viewing Conditions ? cool white light):
Document Number WI190-004
Revision
A
FRM 120-007
Page 5 of 18
Rev I/R
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