METHOD AND APPARATUS FOR PRODUCING A RAW EDGE BELT

摘要

A METHOD AND APPARATUS IS PROVIDED FOR PRODUCING RAW EDGE BELTS. PLURALS SQUARE-CUT RING-SHAPED BELTS ARE SUSPENDED ACROSS A MAIN SPINDLE ROLLER AND A TENSION ROLLER, AND WHICH THE BELTS ARE MADE TO RUN CIRCULARLY, THE BELTS ARE GROUND INTO V-SECTION BELTS TO PRODUCE RAW EDGE BELTS. THE RING-SHAPED BELTS ARE ROUGHLY GROUND ON THE MAIN SPINDLE ROLLER SECTION INTO BELTS OF AN ALMOST V-FORM SECTION BY A ROUGH GRINDSTONE HAVING V-FORMS IN ITS PERIPHERAL. THE ROUGHLY-GROUND RING-SHAPED BELTS ARE THEREAFTER SUBJECTED TO FINISH POLISHING WITH A FINISH GRINDSTONE.