Process for machining a spur gear by means of a rotating gear-li

Details Process for machining a spur gear by means of a rotating gear-li Process for machining a spur gear by means of a rotating gear-li

1985-06-14

1985-12-24

Olszewski, Robert P.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51105GG, 5116577, 409 12, 409 49, B24B 1900

Patent

active

045597448

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.

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patent: 4195446 (1980-04-01), Angst
patent: 4329096 (1982-05-01), Herscovici

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