On the left is the gear-drive cam and its distributor drive gear, while the pair on the right are for conventional chain drive. Notice the different helix angle of the gears. Shown here are the cam ...

The most reliable means for changing shaft speed remains a mechanical variable-speed transmission. These drives are used to provide a variable output speed from a constant-speed power source (as in a ...

Productivity is a shared goal in industrial applications, involving designers, component makers, and end users. Everyone plays a role. In this report, the editors of Motion System Design polled belt ...