| 摘要 |
A shaping pulley assembly (6) for a belt notching machine, including on a frame (1) a pair of driving and shaping pulleys (3, 4) for a grinding belt (5), includes a shaping pulley holder element (9) like a fork supported by the frame (1), having a C-shaped body with end brackets (90, 91), a stationary center and a removable counter-center, both being live centers which are housed in respective housings of the end brackets (90, 91), a shaping pulley (4) in the form of a cylindrical roller provided with center holes (42, 43) opposite to each other for fixed center and removable counter-center, respectively on the bases (40, 41) of the shaping pulley.
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