Backlash, pinion depth, tooth pattern, pinion and carrier-bearing preload—what does it all mean? When used in reference to an automobile, these terms usually apply to the rearend (or differential) and ...

To optimize the performance of any speed reducer, the gears must be oriented to each other so that they run smoothly without binding or interference. They must also maintain the correct amount of ...

It gives “auto mechanic” a new meaning. Engineers have devised gears and cogs that make themselves, saving the expense of machining the tiny parts that keep microscopic motors ticking over. The ...