公司粉末和喷涂的检验标准

LEVEL

Standard Working Instruction LOCATION

ORIGINAL DATE

2007-12-10

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ׂᩦᩴᔩ

Revision History

Revision Description

Date

Revised By A New release

2007-12-10

David.Ding

LEVEL

Standard Working Instruction LOCATION ORIGINAL DATE

2007-12-10

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1 Purpose

CBES஋ⓚ੠୍᳿஋⍖∖ˈᑊ/DŽ

2 Application

CBESDŽ3 Reference Document

N/A

4 Definitions

N/A

5 Responsibility

SDE;

SQE੠Ẕ;

CBES.

6 Procedure

6.1 ˈᑊDŽẔˈ

੠Ҏ45eᢖDŽ

=40W

500

6.2 ஋⍖˖᠔஋⍖ǃܝǃ८ǃ┈

∖DŽ

6.3 ˈབ˖

LEVEL

Standard Working Instruction LOCATION ORIGINAL DATE

2007-12-10

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REVISED DATE

LEVEL

Standard Working Instruction LOCATION

ORIGINAL DATE

2007-12-10

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Orange peel

Rough or wavy appearance of coating surface resembling skin of an orange

,

Visual

2 spots per part

2

Paint on

flame paths Paint overspray or paint coating on all

Acme threads or flat surface on globe housing

,,

Visual

No measurable overspray on flat joint. Extremely light overspray on Acme threads permissible.

;

.

Peeling

Loss of adhesion between paint and part

Visual

None

Pits, porosity Small holes in paint

surface

Visual

1 per part <1 mm 1mm

1

Poor penetration in corners or recessed areas

Paint is thinner or missing in corners and recessed or internal surfaces

Visual

Minimum coating thickness 1 mil in thin areas

1 in/0.025mm

LEVEL

Standard Working Instruction LOCATION

ORIGINAL DATE

2007-12-10

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7 Appendix

N/A

Poor pencil hardness or abrasion resistance

Finish is easily damaged or soft

ASTM D-3363 (5H Pencil) (

5H

)

5H pencil does not cut through finish to substrate for more than .125" [3 ,mm] distance 5H

0.125’’/3mm

Poor solvent resistance

Finish is softened, or gloss or color are lost when tested as directed in MS2102 (PWD)

50 double-rub test with MEK

No softened finish, no

appreciable loss of gloss or color

Scratches after paint

Scratches on coated surface caused by improper handling

Visual

2 if scratch does not penetrate completely through the coating. Bare metal shall not be exposed.

,

2

Thin coating

Paint coat is thinner such that substrate is visible or color changes

,

Visual

Minimum coating thickness 1 mil

1 in/0.025mm