Cosmetic Acceptance Criteria Chart for Mechanical Components

IN ALL CASES CLERICAL ERRORS ARE SUBJECT TO CORRECTION

Microcom Corporation
Cosmetic Acceptance Criteria Chart for Mechanical Components

Surface Visibility Class Definitions
A: All primary appearance areas, as the customer views or interacts with the product
B: Areas that are visible only when special effort is made to see a sizable defect.
C: All areas that are not exposed once unit is assembled.

*View each surface no more than 10 seconds at a distance of 24″

DefectVisibility ClassMax Defect Size AllowedMax Number Allowed per 100 sq. in.
APPLICABLE TO ALL PARTS
(Includes Stainless Steel, flat form Aluminum, etc.)
Burrs and Sharp Edges
(Note: Time saver NOT to be used on pre-plated parts)
N/ADefect Not Allowed
Fractures, Splits, CracksN/ADefect Not Allowed
Scuff, Abrasion, Mark (light)
(Note: Must not catch fingernail)
ANone0
B1.0″4
CAcceptableAny
Scratch (catches fingernail)ANone0
B.5″4
CAcceptable6
Bend Line (edge Area)ANone0
Blength of part1 per surface
CAcceptableAny
Gouge
(Note: Max depth 0.010″)
ANone0
BNone0
C0.125″ X 0.5″2
Dent, Ding, Nick
(Note: No exposed metal. Max depth 0.010″)
ANone0
B0.125″ dia1
C0.25″ dia2
PRE-PLATED, PLATED, PAINTED & POWDER COATED PARTS
(Includes defects listed under “Applicable to All Parts”)
Corrosion, Oxidation, RustN/ADefect Not Allowed
Blistering, Peeling, Flaking, ChippingN/ADefect Not Allowed
Surface DelaminationN/ADefect Not Allowed
Runs
(Note: No pooling in corners)
ANone0
B0.25″2
CAcceptableAny
Water Spots/Surface ContaminationANone0
Bless than 1 inÂē1
CAcceptableAny
Non-Uniform Texture/Orange PeelANone0
Bless than 0.5 inÂē1
CAcceptableAny
NON-COATED PARTS, EXTRUSIONS & CASTINGS
(Includes defects listed under “Applicable to All Parts”)
Corrosion, Oxidation, RustN/ADefect Not Allowed
Incomplete Fill/Cold Shot in Cast MetalsN/ADefect Not Allowed
Flash
(Note: Must not exceed drawing tolerances)
ANone0
BPer drawingPer drawing
CPer drawingPer drawing
Ejector Pin MarkANone0
BPer drawingPer drawing
CPer drawingPer drawing
PLASTIC PARTS
(Includes defects listed under “Applicable to All Parts”)
Short Shots/VoidsN/ADefect Not Allowed
Surface DelaminationN/ADefect Not Allowed
BurnsN/ADefect Not Allowed

Flash

(Note: Must not exceed drawing tolerances)

ANone0
BPer drawingPer drawing
CPer drawingPer drawing
SinksANone0
B.007″4
C.015″6
Specks/BubblesANone0
Bless than 0.5 inÂē1
CAcceptableAny
DiscolorationANone0
BNone0
CAcceptableAny
Non-Uniform TextureANone0
Bless than 0.5 inÂē1
CAcceptableAny
GatesANone0
BPer drawingPer drawing
CPer drawingPer drawing
Ejector Pin MarkANone0
BPer drawingPer drawing
CPer drawingPer drawing
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