Helical gears are cylindrical disks which have involute-shaped teeth cut into their face at a helix angle. By slanting the teeth, helical gears can obtain a large contact ratio and the gradual change ...

Even before the Industrial Revolution, gears of one kind or another have been put to work both for and against us. From ancient water wheels and windmills that ground grain and pounded flax, to the ...

The choice between helical and spur gears in planetary gearboxes may seem straightforward. Go with helical gears if you want the gearbox to run as smoothly and quietly as possible. Choose spur gears ...

This paper discusses electroplated Cubic Boron Nitride form wheel grinding. Principals of the process are reviewed including CBN machining and its requirements, CBN wheels, metallurgical implications, ...