Micro-adjustable boring head

Details Micro-adjustable boring head Micro-adjustable boring head

1987-04-30

1988-08-02

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Tool-support with means to move tool relative to tool-support

To move radially

407 45, 407 75, 407 79, 407 88, 408153, B23B 2903

Patent

active

047611030

ABSTRACT:
A boring head having a diametrical bore adjacent the working end thereof for insertion and removal of two or more interchangeable cutter holders. The cutter holders are restrained against rotational movement within the bore but not axial movement, whereby rotation of a first drive member having threaded engagement with an internally threaded longitudinal bore in the cutter holder will cause radial adjustment of the cutter holder relative to the boring head. Rotation of the first device member is accomplished by rotation of a second drive member having a gear drive connection with the first drive member. A first micrometer dial on the outer end of the first drive member provides for rough orientation of the cutter holder during such radial adjustment thereof, whereas a second micrometer dial on the outer end of the second drive member provides for extremely precise measurements of such radial adjustment.

REFERENCES:
patent: 3144792 (1964-08-01), Marchis
patent: 3518738 (1970-07-01), Porter
patent: 3577810 (1971-05-01), Eckle
patent: 4398854 (1983-08-01), Pape et al.
patent: 4516889 (1985-05-01), Ortlieb

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