Reamer for hollow shafts

Details Reamer for hollow shafts Reamer for hollow shafts

1980-09-02

1982-11-09

Briggs, William R.

Turning

Radially moving rotating tool inside bore

Tool simultaneously moving axially

82 12, 82 14, 408129, 408131, 408159, B23B 2700, B23B 326

Patent

active

043578462

ABSTRACT:
The present invention relates to a reamer for hollow shafts of turbines. Particularly the invention relates to a reamer for hollow shafts, and comprises a casing provided with self-centering means for insertion into the shaft bore, a motor slidable axially inside said casing, means for moving said motor axially, a drive shaft rotated by said motor rigid therewith in its axial movements and keyed to a reaming head which is rotatable relative to said casing but axially fixed relative thereto; the invention further comprises at least one reaming tool rotated by said reamining head, and cam means for guiding said reaming tool along a curved trajector lying in a radial plane of said reaming head and operated by the axial movement of said drive shaft.

REFERENCES:
patent: 2383050 (1945-08-01), Esson
patent: 2847882 (1958-08-01), Benjamin et al.
patent: 2880804 (1959-04-01), Fredd
patent: 3854839 (1974-12-01), Gottelt
patent: 4023451 (1977-05-01), Acton et al.
patent: 4084484 (1978-04-01), Shklyanov et al.
patent: 4176565 (1979-12-01), Christoph

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