Tool coupling

Details Tool coupling Tool coupling

B - Operations, Transporting

23

B

82/16, 29/19, 64

B23B 31/11 (2006.01) B23B 31/00 (2006.01)

Patent

CA 1291649

ABSTRACT OF THE DISCLOSURE A tool coupling for connecting a tool head to a tool holder to secure the tool head against rotation and provide axial prestress. The tool head, which serves as a cutting tool, includes a shank having at least a portion which is conically configured, a threaded bore, and an annular contact collar. The tool holder includes a sleeve-shaped receiving bore corresponding to the shank, at least a portion of the receiving bore being conically configured, a tightening screw, and an annular contact face. An additional bore in the shank of the tool head ensures a prestress between the shank and the tool carrier including the receiving bore, and such prestress is not entirely relieved even if lateral forces act on the tool head. This keeps the tool head from vibrating in the receiving bore.

553880

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