제12 장. 표면거칠기 - dasan.sejong.ac.kr

1 12 . 12-1 - , , .- ( ) ( ) ( ) .- : . KS 1999 KS B0161 -1999 , KS B0161 - (Ra), - (Rmax), 10 (Rz)-10 (Rz) 3 . 1999 ISO 468 KS . 6 . , (Ra)() (Ry) 10 (Rz) (Sm) (S) (tp) 6 .12-2 12-3 (Ra) [ ] L - L x , y , y= f(x) , ( m).

2 Ra .Ra R - Ra , m , Ra . , Ra :0012002500501020408163263125 : , , , , , , , , , , , 25, 50, 100, 200, 400 [ m]- Ra (high-pass filter) c- Ra (high-pass filter) c Ln . L . m Ra .( )( )= L= L 5 L L 5 Ra 12-4 (Ry) [ ] L - L ( m) . -Ry Ln .-Ry.

3 16Ry . Ry 16 .12-5 10 (Rz) L - L 5 5 ( m) ( m) . -Rz Ln .. Rz .Ry Rz R R - Ry Rz , , Ry Rz , , , , , , , , , , 25, 50, 100, 200, 400 800 1600[ m]400, 800, 1600[ m]- , , , , 8mm, 25mm 6 Ry Rz L Ln , Ry Rz L Ln . mRy mRz .Rz Rz Ra Ry/Rz R R R R R R 1/4 -Ra Ry Rz , Ra Ry Rz 1/4.

4 - , Ra (+) , Ry Rz Ry Rz . - Ra , Ry Rz 1/4 Ra .Ra Ry Ra 12-9 KS B0617 ' -KS B0617 ' - . , , , . - (a) Ra m , (b) , Ra 25 m Ra 25 m . (a), (b) Ra , m . Ra 08R - mRa . , mRa .- mRa mRa(G) 63 mRa mRa.

5 () - (a) ..-Ra (b) . - , , , . , . - (a) mRa mRa , mRa . - , (b) mRa .12-10 ( )KS B0617 -KS B0617 -1999 KS ISO - , - ( ) (~) - , - .( 1 25a, 2 , 3 , 4 )