| 摘要 |
A waste grinder and a method for maintenance of the grinder. The grinder comprises at least one rotor which has at least one shearing wheel comprising: a ring-support, which is designed to be rotated by a shaft and defines a plurality of peripheral sections, a plurality of shearing blades which are disposed corresponding to the sections such as to project radially relative to the peripheral surface of the ring-support, the wheel comprises a plurality of blade-holder parts, onto which the blades are secured by detachable securing elements which are accessible from the outer lateral shearing surfaces of the blades, the blade-holder parts being designed to be applied and secured by detachable elements for securing onto the sections of the peripheral surface of the ring-support.
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