| 摘要 |
The invention provides an impact member (24) for assembly with a rotor (14) arranged in a comminuter (10) used for the size reduction of feed material. The impact member (24), disposed radially about the rotor (14), comprises a carrier (26) and a replaceable impact plate (28) both configured for complementary registration so as to be cantilevered from the carrier (26) and to provide an essentially locking arrangement. The carrier (26) has a forwardly disposed open recess (34) with first (36) and second facings (38) intersecting in an axial direction relative to the horizontal axis of the rotor (14), and defining an acute angle relative to the radial plane of the rotor (14). The first facing (36) is oriented in the general direction of rotation of the rotor (14) and terminates with a longitudinally extending marginal edge disposed axially relative to the horizontal axis of the rotor (14). The replaceable impact plate (28) is configured as a substantially non-right angled parallelogram as viewed in transverse profile, and has intersecting sides for complementary registration with the first (36) and second facings (38) of the recess (34).
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