Kitagawa BR12 Large Thru-Hole High Accuracy Power Chuck | Kitagawa
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Kitagawa

Kitagawa BR12 Large Thru-Hole High Accuracy Power Chuck

Product code: BR12

315 mm three jaw power chuck with 106 mm through hole and max speed of 3500rpm.

High standard gripping accuracy of 0.01mm or less with formed jaws gripping a test bar.

Suitable for workpiece transfer with sub spindle.

Low centrifugal force at high speeds.

Interchangable with B212, BB212 & QJR12.

Additional special Patented T-Nuts can be supplied to maintain 0.01mm or less repeatability even after changing jaws - significantly reducing set-up time.

  • Grip Range (mm): 315 max, 49 min
  • Jaw Stroke (diameter mm): 10.6
  • Max Gripping Force (kN): 153
  • Master Jaw Serration: 1.5mm x 60°

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Chucks are manufactured from high grade alloy steel. Three jaw wedge style power chucks deliver up to 20% more speed, gripping force and bore size when compared to conventional chucks.

  • Through-hole (mm): 106
  • Gripping range (mm): 315 max, 49 min
  • Jaw Stroke (diameter mm): 10.6
  • Plunger Stroke (mm): 23
  • Max. Draw Bar Pull Force: 50 kN, 5099 kgf
  • Max. Gripping Force: 153 kN, 15602 kgf
  • Max Speed: 3500rpm
  • Weight: 58.3kg
  • Moment of inertia: 0.81 kg.m2
  • Matching cylinder: SR2010 / SS2110K
  • Max pressure: 3.3 MPa (33.7 cm²) / 2.94 MPa (30.0 cm²)
  • Matching soft top jaw: SB12N1

Click here for information on Kitagawa Chuck Grease Pro.

Mounting: Recess mount, requires additional adaptor.

Standard Equipment: Chuck includes mounting bolts, T-nuts and jaw mounting bolts. Also included blank drawnut and mounting wrench.

View more: Power Chucks | Open Centre | BR - High Accuracy Standard