Hydraulic Chuck Series

OPBT NEW

Large Through Hole High Speed Power Chuck

Specifications

Unit / mm
MODEL / SPEC. Nose Of Spindle A B C (h6) D E F G H J
OPBT-206 A2-5 170 81 140 82.563 20 5 PCDø104.8 PCDø122 52
OPBT-208 A2-6 215 91 170 106.375 22 PCDø133.4 PCDø150 66
OPBT-210 A2-8 256 100 220 139.719 28 5 PCDø171.4 PCDø180 81
MODEL/ SPEC. K M N max. N min. O max. O min. P max. P min. Q R S
OPBT-206 6-M10x1.5P 20 36.35 33.6 21.1 9.1 7 -5 31 12 23
OPBT-208 6-M12x1.75P 25 46.6 42.9 26.6 11.6 10  -6 35 14 25
OPBT-210 6-M16x2P 30 54.6 50.1 33.1 13.6 8.5 -10.5 40 16 25
MODEL / SPEC. T U V W X Thru-Hole [Diameter] (mm) Plunger Stroke (mm) Jaw Stroke [Diameter] (mm)
OPBT-206 2 M60x2P 20 37.5 73 52  12 5.5
OPBT-208 2 M75x2P 30 39.5 80 66 16 7.4
OPBT-210 2 M90x2P 40 43 110 81 19 8.8
MODEL / SPEC. Max.Speed
r.p.m.(min-1)
Max. Pull Force Max. Gripping Force Max. Hydr.
Pressure
Matching Cylinder Gripping
Range
kgf (KN) kgf (KN) kgf/cm2 (Mpa)
OPBT-206 6000 1550 (15) 3950 (38.5) 15 (1.4) P1452S ø13~ø170
OPBT-208 5000 2250 (22) 5850 (57) 17 (1.6) P1666S ø50~ø215
OPBT-210 4200 2900 (28) 7400 (72.5) 19.5 (1.9) P1881S ø34~ø254

Dimensions

OPEN