3-1

/>1000 50

123

3-2 1

H fr r

f=Hctg r+ Hctg r

H=f/(ctg r+ ctg r )

2

( 11f

f>0.15mm f Rz f

2

3apap2RaRa3RaRa

1 Ra* 80#60#W28W14

2v Ra

v Ra

f Ra

ap Ra

3

1234

1ABC

21234

11232, 3 ,, . ,,

41 2

Rz0.4~Rz3.2Rz0.1

3-3 1

2 h H N=(H-H0)/H0

3 >0.25~0.3

1 2 3

1 23

, * *

20C800C20Cl

*

*

18CrNiWA

123

12345

3-4

Px=Po sint kx cx

1231=/o14 PoA2 k A2 c A2

1 2 1Po23c1

1Av0 F=Fo2vFv , v Fv 3BC B C v< v0 F B C >Fo C B v>v0 F C B

4 B A v< v0 v F A C v< v0 v F C A v>v0 v F A B v>v0 v F B C B1CC B B2C

123

1Fy

2Bf=B-f/B 0<

3 X1X2

ACBB DA

11

2 2~3

3 X1Fyab

60

21A B

2A >>

BC3

A

B

C

D