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4.1
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. . , . 12 16 . . . , . .
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. 4-1.
| 4.1.2
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| 4.1.3
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| (. 4-2 ) . , . D Baker. . .
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, , . .
, . , 2 . , , .
. . 5 . . . .
, . , , . . . . , .
| 4.2
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, ( ), .
( ), , .
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| . 4-3
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| q . , 80 / . , , , . , , 2500 .
q , . , . 500 /.
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| , 12‑1/4 , :
q 12-1/4 ;
q -;
q 12-1/4 ;
q ;
q 3x8 ;
q 12-1/4 ;
q 8 ;
q ( ).
, (. 7), . .
| 4.2.3
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A. , .
B. .
C. .
(, 17‑1/2 ) , . (A) (B) , . (B) , , , , .
12-1/4 , , , , 26/32 28/32 , 10/32 8/32 .
| 4.2.4
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| 1. , , ( ) .
2. (, 800 ./. 12‑1/4 ) .
3. . , 5‑10 , , , . , , (15) .
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| 4. 3‑8 . 50% . 10 . , , (40‑45 ) (60‑70 ./.). , , .
5. 10 60‑70% . . .
6. . , .
7. 3. , , . . .
, . ( ). , , , , (. . , ).
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q , .
q , .
q .
q .
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q . , , , , .
| 4.3
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| . . 4-5, . ( ) 1-3 .
, . , , , . ( ) , , .
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, . , 90 . , .
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| 4.3.1
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- , . , , (. . ). - , . , .
. , . , , .
, , . , . , .
| 4.3.1.1
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q
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q
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= 10-20/1000
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| . , Navidrill Mach 2, , Navidrill Mach 1.
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| 4.3.2
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| 3.
( ) .
1. . . 5 .
2. , .
3. . . (, Mach 2 Navi-Drills) 10/1000 , (, Mach 1 Navidrills) 20/1000 . , .
4. , 90 . , .
5. .
| 4.3.3
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| - . . , , , . . . , . , . , , . .
, . , . , , .
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q , .
q .
q , , . .
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q . , , .
| 4.3.6
| ( )
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| , . Navi-Drill , . , , . , , .
. , . ( ) (. 6).
| 4.3.7
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| 5.
| 17-1/2 Navi-Drill 2,5/100 . .
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1.
2.
3.
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, . ==> ... 1607 - | 1372 -
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