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The Effect of Reverse Hobbing at a High Speed - March/April 1987

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Archive > 1987 > March/April 1987 > The Effect of Reverse Hobbing at a High Speed

The article "The Effect of Reverse Hobbing at a High Speed" appeared in the March/April 1987 issue of Gear Technology.

Summary
Today it is common practice when climb hobbing to keep the direction of the hob thread the same as that of the helical gear. The same generalization holds true for the mass production of gears for automobiles. It is the authors' opinion, however, that conventional hobbing with a reverse-handed hob is more effective for the high-speed manufacture of comparatively small module gears for automobiles. The authors have proven both experimentally and theoretically that reverse-handed conventional hobbing, using a multi-thread hob with a smaller diameter is very effective for lengthening the life of the hob and for increasing cutting efficiency at high speeds.

Keywords
hobbing, reverse hobbing, climb hobbing, automotive gears

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