• 3-jaw extra large through-hole power chuck (adapter included)

3-jaw extra large through-hole power chuck (adapter included)


NB-200A 三爪超大孔中空油壓夾頭(含連接板) 3-jaw extra large through-hole power chuck (adapter included)

 

l          More large bore:
The largest bore in wedge type power operated chucks.

l          20% large bore:
Approximately 20% higher speed, higher gripping force and larger bore compared with regular chucks.

l          Model NB-200A chucks are assembled with adaptor for ASA B5.9 type A spindles.

l          Model NB-200A chucks are manufactured form high grade alloy steel. All sliding surfaces are hardened and ground for accurate actual running and long service repeatability.


image001.jpg

SPEC
Model

Through
-Hole
(mm)

Plunger
Stroke
(mm)

Jaw
Stroke
(In Dia.)
(mm)

Max.
Pull
Force
(kgf)

Max.
Gripping
Force
(kgf)

Max.
Operating
Pressure
(kgf / cm2)

Max.
Speed
(r.p.m.)

Weight
(kg)

Moment
Of Inertia I
(kg
m2 )

Matching
Cylinder

Matching
Hard Jaw

Matching
Soft Jaw

Gripping
O.D. Range
(mm)

NB-306A5

Ø52

12

5.4

2243

5812

18.4

6000

14

0.06

M1552

HJ06

HC06

Ø16-Ø170

NB-208A6

Ø66

16

7.4

3558

9075

20.5

5000

24

0.14

M1868

HJ08

HC08

Ø20-Ø210

NB-210A8

Ø78

19

8.8

4385

11319

27.5

4200

37.4

0.4

M1878

HJ10

HC10

Ø25-Ø254

NB-310A8

Ø81

19

8.8

4976

12848

31.5

4500

36.4

0.33

MK1881

HJ10

HC10

Ø37-Ø254

NB-212A11

Ø122

23

10.6

5812

14990

20.5

3200

65

0.95

M2511

HJ12

HC12

Ø41-Ø315

NB-215A15

Ø142

23

10.6

7240

18355

25.5

2500

130

3.0

M2816

HJ15

HC15

Ø60-Ø405

NB-218A15

Ø166.5

23

10.6

7240

18355

25.5

2000

161

4.77

M2816

HJ15

HC15

Ø75-Ø457

 

DIM
Model

A

B

C
(H6)

D

E

F

G

H

J

K

L

M

N
max.

O
max.

O
min.

P
max.

P
min.

Q

R

S

T

U
max.

V

W

X
(H12)

X2

X3

X4

NB-306A5

170

91

140

20

15

82.563

116

104.78

14.5

6xM10

52

5

34.3

18.25

9.25

26

14

2

12

20

31

M60x2

3xM6

65

16

36

65

M8

NB-208A6

210

103

170

25

17

106.375

150

133.35

19.5

6xM12

66

5

42

23.75

11.75

31.5

15.5

2

14

20

35

M74x2

3xM6

80

16

45

80

M8

NB-210A8

254

113

220

30

18

139.719

190

171.45

24

6xM16

78

5

53

33.75

14.25

26.5

7.5

2

16

25

40

M87x2

3xM8

94

16

60

102

M10

NB-310A8

254

113

220

30

18

139.719

190

171.45

24

6xM16

81

5

54

32.25

14.25

26.5

7.5

2

16

25

40

M90x2

3xM8

97

16

60

102

M10

NB-212A11

315

134

300

30

22

196.869

260

235

28

6xM20

122

6

74.2

36.25

12.75

42

19

2

21

28

50

M135x2

3xM10

143

20

60

138

M10

NB-215A15

405

154

380

43

27

285.775

330.2

330.2

33

6xM24

142

6

93.5

45.25

15.25

34

11

5

22

43

62

M155x2

3xM12

164

20

80

160

M12

NB-218A15

457

154

380

43

27

285.775

330.2

330.2

33

6xM24

166.5

6

96.7

63.25

18.25

34

11

5

22

43

62

M180x3

3xM12

189

20

100

160

M12