OPBF,OPBT

2、4-Jaw Large Through Hole High Speed Power Chuck

1. A power chuck is suitable for installation on a lathe machine, milling machine, or special machine to clamp workpieces.
2. A chuck with an open center through-hole allows the workpiece to be inserted into the through-hole
3. By enlarging the through-hole, larger workpieces can be inserted.
4. A 3-jaw chuck is suitable for clamping round bar workpieces, while 2-jaw and 4-jaw chucks are suitable for clamping irregular workpieces.
5. The power chuck needs to be actuated by a hydraulic rotary cylinder and a draw-bar to achieve the clamping action.
 

SPECIFICATIONS

UNIT/mm

Inquiry MODEL / SPEC Nose Of
Spindle
Thru-Hole
[Diameter]
(mm)
Plunger
Stroke
(mm)
Jaw Stroke
[Diameter]
(mm)
Max.Speed
r.p.m(min-1)
Gripping
Range
Max.Pull
Force
kgf(kN)
Max.Gripping
Force
kgf(kN)
Max Hydr.
Pressure
kgf/cm2(kN)
Matching
Cylinder
OPBT-206 A2-5 52 12 5.5 6000 ø13~ø170 1550(15) 3950(38.5) 15(1.4) P1452S
OPBT-208 A2-6 66 16 7.4 5000 ø50~ø215 2250(22) 5850(57) 17(1.6) P1666S
OPBT-210 A2-8 81 19 8.8 4200 ø34~ø254 2900(28) 7400(72.5) 19.5(1.9) P1881S
OPBF-206 A2-5 52 12 5.5 4500 ø22~ø170 1700(16.5) 4400(42.5) 16(1.5) P1452S
OPBF-208 A2-6 66 16 7.4 3600 ø50~ø215 2500(24.5) 6450(63) 19(1.8) P1666S
OPBF-210 A2-8 81 19 8.8 3200 ø32~ø254 3200(31) 8200(80) 21.5(2.1) P1881S
MODEL / SPEC Dimensional
drawing
2D drawing 3D drawing Dimensional
drawing
(with adapter plate)
2D drawing
(with adapter plate)
3D drawing
(with adapter plate)
OPBT-206
OPBT-208
OPBT-210
OPBF-206
OPBF-208
OPBF-210