AUTO-STRONG PRODUCTS Power Chuck

AUTO-STRONG PRODUCTS Power Chuck

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

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Products in detail

More large bore:
The largest bore in wedge type power operated chucks.
20% large bore:
Approximately 20% higher speed, higher gripping force and larger bore compared with regular chucks.
Model NB-200A chucks are assembled with adaptor for ASA B5.9 type A spindles.
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.

UNIT : mm

SPEC
Model
Through-Hole
(mm)
Plunger Stroke
(mm)
Jaw stroke
(In Dia.)

(mm)
Max.Pull
Force

(kn)
Max.Gripping
Force

(kn)
Max.Operating
Pressure
(kgf/cm2)
Max.Speed
(r.p.m.)
NB-306A5 ?52 12 5.4 2243 5812 18.4 6000
NB-208A6 ?66 16 7.4 3558 9075 20.5 5000
NB-210A8 ?78 19 8.8 4385 11319 27.5 4200
NB-310A8 ?81 19 8.8 4976 12848 31.5 4500
NB-212A8 ?122 23 10.6 5812 14990 20.5 3200
NB-212A11 ?122 23 10.6 5812 14990 20.5 3200
NB-215A15 ?142 23 10.6 7240 18355 25.5 2500
NB-218A15 ?166.5 23 10.6 7240 18355 25.5 2000


SPEC
Model
Weight
(kg)
Moment
Of Inertia
I(kg?m2)
Matching
Cylinder
Matching
Hard Jaw
Matching
Soft Jaw

Gripping
O.D. Range
(mm)
NB-306A5 14 0.06 M1552 HJ06 HC06 ?20-?170
NB-208A6 24 0.14 M1868 HJ08 HC08 ?26-?210
NB-210A8 37.4 0.4 M1878 HJ10 HC10 ?36-?254
NB-310A8 36.4 0.33 MK1881 HJ10 HC10 ?37-?254
NB-212A8 72.2 1.04 M2511 HJ12 HC12 ?59-?315
NB-212A11 65 0.95 M2511 HJ12 HC12 ?59-?315
NB-215A15 130 3 M2816 HJ15 HC15 ?59-?405
NB-218A15 161 4.77 M2816 HJ15 HC15 ?78-?457


DIM
Model
A B C(H6) D E F G H J K L M Nmax. Omax. Omin.
NB-306A5 170 91 140 20 15 82.563 116 104.78 14.5 6xM10 52 5 37 18.25 9.25
NB-208A6 210 103 170 25 17 106.38 150 133.35 19.5 6xM12 66 5 45.7 23.75 11.75
NB-210A8 254 113 220 30 18 139.72 190 171.45 24 6xM16 78 5 53 33.75 14.25
NB-310A8 254 113 220 30 18 139.72 190 171.45 24 6xM16 81 5 54 32.25 14.25
NB-212A8 315 145 300 30 33 139.72 235 171.45 24 6xM20 122 6 79.5 33.75 11.25
NB-212A11 315 134 300 30 22 196.87 260 235 28 6xM20 122 6 79.5 33.75 11.25
NB-215A15 405 154 380 43 27 285.78 330.2 330.2 33 6xM24 142 6 93.5 45.25 15.25
NB-218A15 457 154 380 43 27 285.78 330.2 330.2 33 6xM24 166.5 6 102 63.25 18.25


DIM
Model
Pmax. Pmin. Q R S T Umax. V W X X2 X3 X4 Reference
NB-306A5 26 14 2 12 20 31 M60x2 3xM6 65 16 36 65 M8 Fig-1
NB-208A6 31.5 15.5 2 14 20 35 M74x2 3xM6 80 16 45 80 M8 Fig-1
NB-210A8 26.5 7.5 2 16 25 40 M87x2 3xM8 94 16 60 102 M10 Fig-1
NB-310A8 26.5 7.5 2 16 25 40 M90x2 3xM8 97 16 60 102 M10 Fig-1
NB-212A8 53 30 2 21 28 50 M135x2 6xM16 143 20 60 138 M10 Fig-2
NB-212A11 42 19 2 21 28 50 M135x2 3xM10 143 20 60 138 M10 Fig-2
NB-215A15 34 11 5 22 43 62 M155x2 3xM12 164 20 80 160 M12 Fig-1
NB-218A15 34 11 5 22 43 62 M180x3 3xM12 189 20 100 160 M12 Fig-1



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