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스틸 볼 표준

스틸 볼 표준

AFBMA-STANDARD 10-2001-USA

2024-11-21 19:38:39


Grade


Ball diameter variation


Deviation from spherical form


Surface roughness

 


Lot diameter variation


Basic deviation tolerance


Vdws

ΔSph

Ra

Vdwl

Tdn

3

0.08

0.08

0.012

0.13

±0.75

5

0.13

0.13

0.02

0.25

±1.25

10

0.25

0.25

0.025

0.5

±2.5

16

0.4

0.4

0.032

0.8

±2.5

24

0.6

0.6

0.05

1.2

±2.5

48

1.2

1.2

0.08

2.4

±5

100

2.5

2.5

0.125

5

±12.5

200

5

5

0.5

10

±25

500

13

13

*

25

±50

1000

25

25

*

50

±125