BORING BAR FASTENING DEVICE FOR SINGLE OR DOUBLE BLADE

摘要

A boring bar fastening device for a single or double blade is provided with a body, a first fastening device releasably mounted to the body, a first boring bar fastening member releasably mounted on the first fastening device, a first blade releasably mounted on the first boring bar fastening member, a second fastening device releasably mounted to the body, and a second blade releasably mounted on the second boring bar fastening member. Alternatively, both the second boring bar fastening member and the second blade are replaced by a balance weight. Two configurations are provided for selection depending on applications.

主权项

1. A boring bar fastening device for a single blade or a double blade comprising:
a body configured to secure to a cutter and including a first through hole on a front end and a second through hole on a rear end; a first fastening device releasably mounted in the first through hole and including a fastening end extending out of one end of the first through hole; a first boring bar fastening member releasably mounted on the fastening end of the first fastening device; a first blade releasably mounted on the first boring bar fastening member; a second fastening device releasably mounted in the second through hole and including a fastening end extending out of one end of the second through hole and being opposite to the fastening end of the first fastening device; a second boring bar fastening member or a balance weight releasably mounted on the fastening end of the second fastening device; and a second blade releasably mounted on the second boring bar fastening member; wherein the balance weight includes a pushing member on one end, the pushing member being exposed; and wherein a distance between the pushing member and an axis of the body is equal to that between the first blade and the axis of the body.