Insert boring tool

Details Insert boring tool Insert boring tool

1987-10-13

1989-08-22

Arnold, Bruce Y.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having peripherally spaced cutting edges

408227, 408231, 408713, B23B 5100

Patent

active

048591238

ABSTRACT:
An insert boring tool includes radially outward and inward cutting inserts mounted thereon. The radially outward and inward inserts are arranged such that end cutting edges of the respective inserts are intersected with each other at a point of intersection in loci of rotation of the respective inserts in a plane containing an axis of a tool body. The radially outward and inward inserts are positioned such that, assuming that a radial distance between the point of intersection and a radially outermost end of the end cutting edge of the radially outward insert is A, and a radial distance between the point of intersection and a radially innermost end of the end cutting edge of the radially inward insert is B, a ratio of A/B takes a value of from 2/8 to 45/55.

REFERENCES:
patent: 4230429 (1980-10-01), Eckle
patent: 4265574 (1981-05-01), Eckle
patent: 4268198 (1981-05-01), Peters
patent: 4303358 (1981-12-01), Grusa
patent: 4556345 (1985-12-01), Philippi
Werkstatt und Betrieb 114 (1981) 2, pp. 103-106, Von Dipl. -Ing. G. Striegl.
European Search Report, 9-1-88.

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