Application Profile Model FSR Backstopping Clutch Punch Press Feed Drive A Formsprag sleeve-bearing FSR clutch was selected by a leading press OEM for retrofitting onto an older stamping machine. The machine’s original clutch had begun to show signs of wear after several years of service. The FSR is used as a backstopping clutch on the press feed drive. The clutch is mounted on one end of the feed drive roller with the outer race grounded u

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