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″
| Defect | Visibility Class | Max Defect Size Allowed | Max 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/A | Defect Not Allowed | |
| Fractures, Splits, Cracks | N/A | Defect Not Allowed | |
| Scuff, Abrasion, Mark (light) (Note: Must not catch fingernail) | A | None | 0 |
| B | 1.0″ | 4 | |
| C | Acceptable | Any | |
| Scratch (catches fingernail) | A | None | 0 |
| B | .5″ | 4 | |
| C | Acceptable | 6 | |
| Bend Line (edge Area) | A | None | 0 |
| B | length of part | 1 per surface | |
| C | Acceptable | Any | |
| Gouge (Note: Max depth 0.010″) | A | None | 0 |
| B | None | 0 | |
| C | 0.125″ X 0.5″ | 2 | |
| Dent, Ding, Nick (Note: No exposed metal. Max depth 0.010″) | A | None | 0 |
| B | 0.125″ dia | 1 | |
| C | 0.25″ dia | 2 | |
| PRE-PLATED, PLATED, PAINTED & POWDER COATED PARTS | |||
| (Includes defects listed under “Applicable to All Parts”) | |||
| Corrosion, Oxidation, Rust | N/A | Defect Not Allowed | |
| Blistering, Peeling, Flaking, Chipping | N/A | Defect Not Allowed | |
| Surface Delamination | N/A | Defect Not Allowed | |
| Runs (Note: No pooling in corners) | A | None | 0 |
| B | 0.25″ | 2 | |
| C | Acceptable | Any | |
| Water Spots/Surface Contamination | A | None | 0 |
| B | less than 1 in² | 1 | |
| C | Acceptable | Any | |
| Non-Uniform Texture/Orange Peel | A | None | 0 |
| B | less than 0.5 in² | 1 | |
| C | Acceptable | Any | |
| NON-COATED PARTS, EXTRUSIONS & CASTINGS | |||
| (Includes defects listed under “Applicable to All Parts”) | |||
| Corrosion, Oxidation, Rust | N/A | Defect Not Allowed | |
| Incomplete Fill/Cold Shot in Cast Metals | N/A | Defect Not Allowed | |
| Flash (Note: Must not exceed drawing tolerances) | A | None | 0 |
| B | Per drawing | Per drawing | |
| C | Per drawing | Per drawing | |
| Ejector Pin Mark | A | None | 0 |
| B | Per drawing | Per drawing | |
| C | Per drawing | Per drawing | |
| PLASTIC PARTS | |||
| (Includes defects listed under “Applicable to All Parts”) | |||
| Short Shots/Voids | N/A | Defect Not Allowed | |
| Surface Delamination | N/A | Defect Not Allowed | |
| Burns | N/A | Defect Not Allowed | |
Flash (Note: Must not exceed drawing tolerances) | A | None | 0 |
| B | Per drawing | Per drawing | |
| C | Per drawing | Per drawing | |
| Sinks | A | None | 0 |
| B | .007″ | 4 | |
| C | .015″ | 6 | |
| Specks/Bubbles | A | None | 0 |
| B | less than 0.5 in² | 1 | |
| C | Acceptable | Any | |
| Discoloration | A | None | 0 |
| B | None | 0 | |
| C | Acceptable | Any | |
| Non-Uniform Texture | A | None | 0 |
| B | less than 0.5 in² | 1 | |
| C | Acceptable | Any | |
| Gates | A | None | 0 |
| B | Per drawing | Per drawing | |
| C | Per drawing | Per drawing | |
| Ejector Pin Mark | A | None | 0 |
| B | Per drawing | Per drawing | |
| C | Per drawing | Per drawing | |