Boring bars

Details Boring bars Boring bars

1977-01-26

1977-12-06

Hinson, Harrison L.

Cutting by use of rotating axially moving tool

Tool-carrier with vibration-damping means

B23B 4700

Patent

active

040614387

ABSTRACT:
The overhung ratio of a boring bar having a damper formed by a damper mass located in a cavity near the cutting tool, with a fluid-filled clearance between the mass and the cavity wall, may be increased by shrink-fitting a tungsten carbide core or bung into the root end of the bar and/or by fitting a second damper to the free end of the bar beyond the cutting tool.

REFERENCES:
patent: 2699696 (1955-01-01), Hahn
patent: 3230833 (1966-01-01), Shurtliff
patent: 3559512 (1971-02-01), Aggarwal
patent: 3598498 (1971-08-01), Holmen
patent: 3642378 (1972-02-01), Hahn et al.
patent: 3820422 (1974-06-01), Rivin et al.
patent: 3838936 (1974-10-01), Andreassen et al.
patent: 3923414 (1975-12-01), Hopkins

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