Cutting edge adjustment device, rotary member applied to same, and tool body, cartridge, and cutting insert having structure adapted to cutting edge adjustment device

Abstract

Provided is a cutting edge adjustment device with which the position of a cutting edge can be adjusted easily and precisely by means of a rotary member such as a cam. A cutting tool cutting edge adjustment device (1) for adjusting the position of the cutting edge by moving a cutting insert (4) is equipped with a rotary member (5) for generating the aforementioned movement. The rotary member (5) has a shape such that substantially cylindrical portions (17, 18), which have a fixed radius, and a cam portion (19), which has a cam surface the radius of which gradually increases in correspondence with the amount of the aforementioned movement, are aligned in the direction of the axial center of rotation (O). By constructing the cam surface so as to have sections for which the radius increases linearly, the unit rotational angle of the rotary member (5) centered around the axial center of rotation and the unit amount of movement of the cutting insert (4) are set in a proportional relationship.

Description

technical field [0001] The present invention relates to a tool nose adjustment device, a rotating member applied to the device, and a tool body, a tool holder and a cutting insert having a structure suitable for the above device. In more detail, the present invention relates to a tip adjustment device capable of adjusting the position of a tip of a cutting insert mounted on a tip-exchangeable cutting tool, and a structure of a rotating member, a tool body, a seat, and a cutting insert associated therewith. Background technique [0002] Conventionally, in the field of replaceable cutting tools, there are many cutting edge adjustment devices for finely adjusting the position of the cutting edge of the cutting insert. The tool nose adjustment device is mainly used to align the cutting edge positions of a plurality of cutting inserts to be constant in a milling tool. It is not limited thereto, and it is also used when it is desired to adjust the protrusion amount of the cutting...

AI Technical Summary

Problems solved by technology

Therefore, in the conventional tool nose adjusting device, there are following problems: It is difficult for the operator to move the knife nose by a required distance in association with the operation of rotating the cam, and it is difficult to accurately adjust the position of the knife nose. still need time

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