belt and pulley drive

On many machines that have run for years, the belt-and-pulley arrangement is questioned because of its maintenance burden: the belt stretches, needs re-tensioning, the pulley groov... More Details

When choosing the motor for a centrifugal (scroll-housing) fan, first find the speed at which the impeller must turn, then calculate the power the fan draws at that speed, and fina... More Details

In fan drives, a direct-coupled motor is the right choice if the speed the fan needs matches a standard motor speed (about 3,000, 1,500 or 1,000 rpm), if the air moved is clean eno... More Details

What determines motor selection for a surface planer is the speed at which the cutter block (cutter head) must turn and how that speed is obtained from the motor by belt. On most p... More Details

On a diamond wire saw, the main motor sets the cutting speed of the wire by turning the drive wheel. That is why three questions are answered together when choosing the motor: how ... More Details