Caple C702G Manual de Serviço descarregar pdf (Página 87)

6-7

3. Limits

3-1. Scratch

Width(mm) Allowable Length(mm)(Zone A + Zone B)

0.16

～

reject

0.11

～

0.15

0.06

～

0.10

～

0.05

unlimited

NOTE 1: Even though width of scratch is more than 0.16mm, regard scratch whose contrast is weak

extremely as stain and apply standard of 3.2.

NOTE 2: Do not recognize flaws which injures goods prices though it is not especially stipulated as for zone C.

3-2. Opaque flaws ( ex. Stain ) and coating peeling

Do not apply the following standard to zone C.

Classify flaws by contrast and judge it by size.

Definition of a contrast

High contrast :The foreign substance which shuts off light from fluorescence surface

Middle contrast :A semitransparent foreign substance and stain

(Ex. coating material which has been changed )

Low contrast :stain and dust which do not reflect light from fluorescence surface and can be

distinguished by its appearance

Standard

Allowable Length

Average diameter classified by a contrast Allowable number (mm)

NOTE 4 (mm) NOTE 3

High contrast Middle contrast Low contrast zone A zone B

～

0.10

～

0.20

～

0.50

Rejected Rejected -

0.11

～

0.25 0.21

～

0.50 0.51

～

1.25 2

［

］

［

］

0.26

～

0.50 0.51

～

1.00 1.26

～

2.50 1

［

］

［

］

0.51

～

0.75 1.01

～

1.50 2.51

～

3.75 0

［

］

［

］

NOTE 1: A number inside brackets show allowable number of Low contrast. However, it is based on

the following tables as for the total number of a low contrastive fault.

NOTE 2: If a defect has different contrast’s one in it, shall be judged by higher contrast’s

specification.

NOTE 3: Allowable length between the different class is applied on size standard.

NOTE 4: Convert (a+b)/2 or a/20 + 2b small value into average diameter. (a: length, b: width)

total number of a low contrast flaws zone A zone B

Standard classified by zones 6 8

Total ( zone A + zone B ) 10

1 2 ... 82 83 84 85 86 87 88 89 90 91 92 ... 285 286

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