Differential heating, intermittent heating, and even belt wear causes belts to get off course. To ease matters, Belt Technologies, Agawam, Mass., makes an Independently Steerable Pulley (ISP) which ...

Belts don’t always stay put on pulleys. Sometimes they creep to one side or another, threatening to pop off completely. This is where pulley flanges come in, steering belts back on track by resisting ...