Archive > 2017 > July 2017 > MicroPulse and MicroShift for Ground Bevel Gearsets

MicroPulse and MicroShift for Ground Bevel Gearsets - July 2017

The article "MicroPulse and MicroShift for Ground Bevel Gearsets" appeared in the July 2017 issue of Gear Technology.

Summary
Grinding of bevel and hypoid gears creates on the surface a roughness structure with lines that are parallel to the root. Imperfections of those lines often repeat on preceding teeth, leading to a magnification of the amplitudes above the tooth mesh frequency and their higher harmonics. This phenomenon is known in grinding and has led in many cylindrical gear applications to an additional finishing operation (honing). Until now, in bevel and hypoid gear grinding, a short time lapping of pinion and gear after the grinding operation, is the only possibility to change the surface structure from the strongly root line oriented roughness lines to a diffuse structure.

Keywords
grinding, ground bevel gears, MicroPulse, Microshift, Gleason

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