B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
82/16
B23B 31/40 (2006.01) B23B 31/30 (2006.01) B23C 5/26 (2006.01)
Patent
CA 1115097
ABSTRACT OF THE DISCLOSURE The invention relates to a method and an apparatus for setting up tools, work pieces and the like on a spindle which is preferably rotatable by means of a clamp bushing comprising a double walled sleeve which is closed at both ends and which has at one end a fixed radially outwards directed collar and at the opposite end means for axially securing the tools, work pieces or the like, on the clamp bushing. The bushing is formed with means for providing pressure in a recess formed between the outer wall and the inner wall of the bushing and for releasing the pressure from said recess. One or more tools having center bores fitting the outer dimension of the hushing are slipped onto the bushing, whereupon the axial locking means are mounted at the outer end thereof in order to secure the tools in the axial direction on the bushing sleeve. The bushing sleeve together with the tools or similar are slipped onto a rotatable spindle, and a pressure medium inside the recess of the bushing sleeve is pressurized, whereby the two walls of the sleeve are subjected to a radially inwards and outwards directed pressure providing some expansion outwards and inwards respectively of the said walls. The sleeve, the rotatable spindle and the tool or tools are interconnected to form an unit which can easily be handled.
321570
Adell Lars
Mdnsson Kent
Forenade Fabriksverken
Marks & Clerk
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