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표면조도 비교표(Surface roughness comparison table)

coc 2022. 1. 11. 02:10
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* 표면조도 비교표(Surface roughness comparison table)

구분(區分) ▽▽▽▽
▽▽▽
▽▽
Korea
(KS)
Japan
(JIS)
Rmax(µm) 0.1S 0.2S 0.4S 0.8S 1.6S 3.2S 6.3S 12.5S 25S 50S 100S
America
(ASA)
Rms
(µin)
1 2 4 8 16 32 63 125 250 500 1000
France
Italy
Ra
(µm)
0.025 0.05 0.1 0.2 0.4 0.8 1.6 3.2 6.3 12.5 25
Germany
(DIN)
- N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11
Russia Rz 0.1Z 0.2Z 0.4Z 0.8Z 1.6Z 3.2Z 6.3Z 12.5Z 25Z 50Z 100Z
Note : Rmax (최대높이) : maximum height
         Rz (십점평균거칠기) : ten point average roughness
         Ra (중심선평균거칠기) : centerline average height