B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 29/00 (2006.01) B23B 31/00 (2006.01)
Patent
CA 2082491
An mounting arrangement of a tool holder in a machine tool comprises a main shaft and the toool holder each having an extending end face formed by extending a given reference end face of the main shaft and a given collar end face of the tool holder, toward one another, respec- tively, both of which end faces are normally separated with a prescribed clearance, with required extensions so as to come into contact with one another when a tapered shank of the tool holder is fitted into a flared hole of the main shaft, so that the tool holder can be mounted in the main shaft securely owing to a high degree of integra- tion, without the occurence of friction due to the phe- nomenon of a fretting corrosion or the like in the contact surfaces between the flared hole and the tapered shank. Such a high degree of integration of the main shaft and the tool holder enables a deep cutting to be readily performed in relation to a workpiece. In addition, the arrangement can be used compatibly with a tool holder of a normal product or a main shaft of a normal product.
Daishowa Seiki Co. Ltd.
Gowling Lafleur Henderson Llp
LandOfFree
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