Workholding and machining equipment specialist, Kitagawa has extended its range of large through-hole power chucks with the introduction of the three-jaw BB221 at the Japanese International Machine Tool Fair (Jimtof) held in Tokyo, to be sold in the UK by their sole supplier, 1st Machine Tool Accessories.

Suitable for components measuring up to 530mm diameter, the new chuck incorporates a 166.5 mm diameter through hole, making it ideal for large diameter bar work, as well as heavy duty turning operations. The BB221 also provides a jaw stroke of 10.6 mm and maximum grip of 210kN, allowing it to be used at speeds of up to 2000 rev/min.

Weighing 228kg, the new chuck has an inertia of 7.71 kg.m2 and operates at a maximum hydraulic pressure of 2.37 MPa. It is the fifth member of Kitagawa’s BB series of large through-hole chucks, which allows components down to 19 mm diameter to be machined at speeds of up to 6000 rev/min.

The full range of Kitagawa Chucks are available from 1st MTA. If you have any questions or queries about any of the products mentioned in this article, please don’t hesitate to contact us on 0800 783 0510 or enquiries@1mta.com.