CAT.303M NIKKEN NC Tooling Catalogue

SPACER for MODULAR TYPE

Extension Spacer

L

Coupling Bolt

φC

φQ

φQ1

SP

Example of small diameter boring in a deep recess using the largest diameter extension spacer in order to maintain rigidity.

Coupling Dia Q

Code No. Q-Q1-L

Coupling Bolt No. B19 B12 B16 B20 B26N

Weight (kg) 0.06, 0.1 0.1, 0.15, 0.2 0.15, 0.25, 0.35

C 19 24 31 40 50 64 83

Q 1 9

SP 9- 9-30, 45 SP 12-12-30, 45, 60 SP 16-16-30, 45, 60

42 34 26 20 16 12 9

12 16 20 26 34 42

BT40-Q26-95 SP26-26-60 SP26-12-30 12-ZMAC25-40V

φ 60

φ 30

SP 20-20-45, 60 SP 26-26-60, 90 SP 34-34-60, 90 SP 42-42-60, 90

0.4, 0.5 0.8, 1.2 1.4, 2.0 2.4, 3.4

B34 B42

120

50

Example of deep hole boring using the extension spacer with the same diameter as head.

★ φ C of SP26 Spacer has been increased from 45mm to 50mm due to improvement of its rigidity. ★ All spacers have a centre through-tool coolant hole. ★ The Coupling screw is included as standard.

BT40-Q26-95 SP26-12-30 SP12-12-60 12-ZMAC25-40V

φ 30

110

L

Coupling Bolt

Stepped Spacer

φC1

φC φQ

φQ1

10

Coupling Dia Q

Code No.

Coupling Bolt No. B19 B19 B12 B19 B12 B16 B19 B12 B16 B20 B16 B20 B26N B20 B26N B34

Weight (kg) 0.1

C 1 19 19 24 19 24 31 19 24 31 40 31 40 50 40 50 64

C 24 31

Q-Q1-L

Q 1 9 9 12 9

SP 12- 9-45 SP 16- 9-45 -12-60 -12-60 SP 20- 9-45

16 12

SP

0.15 0.25

Example of small diameter boring in deep recess using stepped spacer with the same diameter as head.

0.2 0.3

12 16 9 12 16 20 16 20 26 20 26 34

20

40

0.4, 0.6 0.3, 0.3 0.3, 0.4

-16-60, 90

BT40-Q26-95 SP26-26-60 SP26-12-30 12-ZMAC25-40V

SP 26- 9-30, 45

φ 60

φ 30

-12-30, 60 -16-30, 60, 90 -20-30, 60, 100

26

50

0.3, 0.5, 0.6 0.4, 0.6, 1.0

120

50

-20-60, 100 -26-60, 100 -26-60, 100 -34-60, 100 SP 42-20-60, 100 SP 34-16-60, 90

0.7, 0.9 1.0, 1.3 1.1, 1.5 1.2, 1.6 1.4, 1.9 1.8, 2.5

34

64

42

83

★ φ C of SP26 Spacer has been increased from 45mm to 50mm due to improvement of its rigidity. ★ All spacers have a centre through-tool coolant hole. ★ Coupling bolt is supplied as standard.

A1 Spacer for Deep Hole

L/D:MAX.6 times

Coupling Dia Q

Code No. Q-Q1-L

Weight (kg)

MAX. L 85

C

C 1 19 24 31 40 50

Q 1 9

SP 26- 9- 85-A1 -12-115-A1 -16-140-A1

0.6 0.7 0.9 1.2 1.5

115 140 180 190

12 16 20 26

SP

Coupling Bolt

26

50

L

-26-190-A1 -20-180-A1

φCφQ

φC 1

φQ 1

Please specify the “ L ” length when ordering. Code No. is e.g SP26-9-85-A1 (Q1=9 and L=85)

10

Modular connection system is the face contact system drawing-in by the bolt, which top shape is gentle taper. 1. Insert a head by adjusting the hole positions. 2. Tighten the bolt temporary, then loosen slightly. 3. Tighten the bolt again by moving the head CW and CCW. (Centering each other) 4. Then tighten the bolt completely until face contact.

90

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