( )

r

r

1 1 1 1

2

2 3

2

3 2

4 2 2

2

5 4

2

6 4

1 2 6

( )

(2 8 )4

(2 8 )4

(2 8 )4

4

...

I

i

A d h d h h

A d r r

A d r r

A d h

A d r r

A d

A A A A A

-

ADo 13,1

621

6

1

...... AAAAAi

i

i

- (.6.1. . 120)

: 1,13D A

1.

D = ?

- (CATIA, Solid Works, ...), .

D [mm] V [mm3] s [mm]

2.

r

o

ss

D s- , D0-

2 3 4

3sr

m m mm

1log log( )1log

n

sr

d m Dn

m

6.4. () m1, m2, ,mn .

3.

2 2 2 2 2 2 2 2

1 2 3 41 2 3 4

1 2 3 4

, , , ,...4 4 4 4

o o o oD d D d D d D dh h h hd d d d

2 3 3 41 21 2 3, , ,...

2 2 2

d d d dd dr r r

d1=m1D0 , d2=m2d1 , d3=m3d2 , d4=m4d3 , .

-po~etni komad

-

- -nakon tre}e operacije

. . . . . . .

h3

4.

D0- , Dm- e

D0 - d1 - s - m -

sdF ii 111

sr

sKe

sD

F

D

DK

mm

d

m

sri

2

2ln1.1 1

201

d1- a a

s- a

Ksr- e

D0-

Dm- Dm=d1+2s+2rm,

sdDrm 108.0

2

10 KKKsr

11 fK

1

01 ln

d

D

5.

, , .

fw

ssf

2

10070

.

zM ddfw 2

wdd

dd

zm

uz

zzz

mmm

dd

dd

min

max

a)

b)