Flexible microdrill

Details Flexible microdrill Flexible microdrill

1983-08-08

1985-08-20

Briggs, William R.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having peripherally spaced cutting edges

408226, 408704, B23B 5100

Patent

active

045361088

ABSTRACT:
The flute terminus or carry out of a microdrill is located spaced from cross-sectional changes of the drill and away from such areas of stress concentration and permits a slight flexing of the drill to compensate for standard production environment in efficiencies such as spindle runout, nonperpendicularity of drill to workpiece and workpiece material which is not homogeneous.

REFERENCES:
patent: 2962154 (1960-11-01), Falk
patent: 3429171 (1969-02-01), Feher
patent: 3778180 (1973-12-01), Ostrom
patent: 3790297 (1974-02-01), Maursey
patent: 3850054 (1974-11-01), Weissman
patent: 4078458 (1978-03-01), Berendzen
patent: 4080093 (1978-03-01), Maier
patent: 4135847 (1979-01-01), Hemmings
patent: 4190386 (1980-02-01), Brabetz et al.
patent: 4232985 (1980-11-01), Nielsen
patent: 4253830 (1981-03-01), Kazen et al.
patent: 4345899 (1982-08-01), Vlock

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