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AUTO-STRONG PRODUCTS Power Chuck

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AUTO-STRONG PRODUCTS Power Chuck

NB-200A 3 JAW EXTRA LARGE THROUGH HOLE POWER CHUCK

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

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Products in detail

More large bore: the large bore in wedge type power operated chucks.

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

Adapter for A2 spindle(DIN 55026)

Easy to mount.

Can be equipped with automatic feeder to increase productivity.

Can be equipped with back gauge.

Replaceable for Japanese brands.

The draw nut is customizable.(consult with sales)

Standard product 6~10" made of high strength alloy steel SCM440 from Japan

Sliding surfaces, master jaws, and interior parts are hardening and grinding.



Unit : mm

Model/size Through hole Dia.
(mm) 		Piston Stroke
(mm) 		Jaw stroke Dia.
(mm) 		Max pull force
(kn) 		Max Gripping Force
(kn) 		Max operating hydraulic pressure
(kgf/cm2)
 		Max RPM
(r.p.m.)
NB-306A5 Ø52 12 5.4 2243 5812 18.4 6000
NB-208A6 Ø66 16 7.4 3558 9075 20.5 5000
NB-210A8 Ø78 19 8.8 4385 11319 27.5 4200
NB-310A8 Ø81 19 8.8 4976 12848 31.5 4500
NB-212A8 Ø122 23 10.6 5812 14990 20.5 3200
NB-212A11 Ø122 23 10.6 5812 14990 20.5 3200
NB-215A15 Ø142 23 10.6 7240 18355 25.5 2500
NB-218A15 Ø166.5 23 10.6 7240 18355 25.5 2000


Model/size Weight
(kg) 		Inertia
I(kg‧m2) 		Matched cylinder Matched HJ Matched SJ
Gripping Range O.D.
(mm)
NB-306A5 14 0.06 M1552 HJ06 HC06 Ø20-Ø170
NB-208A6 24 0.14 M1868 HJ08 HC08 Ø26-Ø210
NB-210A8 37.4 0.4 M1878 HJ10 HC10 Ø36-Ø254
NB-310A8 36.4 0.33 MK1881 HJ10 HC10 Ø37-Ø254
NB-212A8 72.2 1.04 M2511 HJ12 HC12 Ø59-Ø315
NB-212A11 65 0.95 M2511 HJ12 HC12 Ø59-Ø315
NB-215A15 130 3 M2816 HJ15 HC15 Ø59-Ø405
NB-218A15 161 4.77 M2816 HJ15 HC15 Ø78-Ø457


Model/size 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


Model/size Pmax. Pmin. Q R S T Umax. V W X X2 X3 X4 Illutration
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


Next：V 3 JAW WEDGE TYPE NON-THROUGH HOLE POWER CHUCK

Previous：NHT-200 2 JAW AND 3 JAW THROUGH HOLE POWER CHECK

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