Apparatus for machining a spur gear by means of a rotating gearl

Details Apparatus for machining a spur gear by means of a rotating gearl Apparatus for machining a spur gear by means of a rotating gearl

1985-10-25

1987-01-13

Olszewski, Robert P.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

5116577, 51287, 409 36, 409 49, B23F 102

Patent

active

046354042

ABSTRACT:
In a process for machining a spur gear by using a grinding worm having a curved tooth thickness smaller than the final measurement of the curved tooth gap of the spur gear to be produced, the grinding worm is first directed radially towards the spur gear until the desired distance between the axes is reached. Subsequently, a relative circular feed movement is carried out consisting of a positive or negative additional rotating movement of the gear or the worm. This additional rotating movement is superimposed on the corresponding basic revolution of the gear or the worm. In this way, first one flank and subsequently the other flank of each gear tooth is machined to its final dimension. With this process, a full linear contact exists between the grinding worm and the tooth flank of the gear during roughing independent of the amount of material to be machined. Due to the existing play, an effective cooling is possible so that high grinding outputs can be achieved.

REFERENCES:
patent: 1885686 (1932-11-01), Cone
patent: 3085369 (1963-04-01), Firdley
patent: 3092934 (1963-06-01), Daniel
patent: 4195446 (1980-04-01), Angst
patent: 4329096 (1982-05-01), Herscovici

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