Spur gear hobbing machine

Details Spur gear hobbing machine Spur gear hobbing machine

1979-03-14

1981-08-18

Briggs, William R.

Gear cutting, milling, or planing

Gear cutting

Gear tooth shape generating

409 1, 409 19, B23F 522

Patent

active

042843766

ABSTRACT:
A hobbing machine for manufacturing spur and worm gears comprises a tool support provided with a support carriage movable in the direction of the axis of the blank to be machined and carrying a milling head provided with a separate feed drive which actuates via a branch gearing axial and tangential feed gear element and is connected via differential gears to a gear train for a hob. The branch gearing is arranged in the movable support carriage and includes a switch wheel which is engageable either with a drive wheel of the axial feed gear train or with the drive wheel of the tangential feed gear train and is controlled by a switching lever located on the support carriage.

REFERENCES:
patent: 2075489 (1937-03-01), Warner et al.
patent: 2330168 (1943-09-01), Zimmermann
patent: 2839968 (1958-06-01), Moncrieff
patent: 3107579 (1963-10-01), Budnick et al.
patent: 3207038 (1965-09-01), Naville
patent: 3318193 (1967-05-01), Rogg
patent: 3453931 (1969-07-01), Campbell
patent: 3738225 (1973-06-01), Tixier

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