Solid material comminution or disintegration – Apparatus – Comminuting elements
Patent
1983-07-12
1985-11-26
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Comminuting elements
29123, 241129, B02C 1508
Patent
active
045550662
ABSTRACT:
A replaceable roll for mounting on a tapered threaded shaft of a roller mill includes a generally cylindrical roll member of wear-resistant cast material having an axial bore defined by a central bore wall portion raised with respect to a first bore end wall portion and recessed with respect to an opposite second bore end wall portion. The first bore end wall portion is of a preferably noncircular, polygonal configuration and receives a removable complementary annular end insert which abuts an annular shoulder formed at the interface of the central bore wall portion and first bore end wall portion. The bore of the end insert and the second bore end wall portion are axially tapered to correspond to the taper of the shaft onto which the roll is to be mounted. The taper of the second bore end wall portion forms a progressive continuation of the taper of the bore of the end insert for receiving the tapered threaded shaft. In one embodiment the annular shoulder of the roll member and shoulder-abutting portion of the insert define mating tapered laterally interfering surfaces which resist lateral and axial movement between such members.
REFERENCES:
patent: 488759 (1892-12-01), Gates
patent: 946416 (1910-01-01), Williams
patent: 3721391 (1973-03-01), Lepola
patent: 3991944 (1976-11-01), Baikoff
patent: 4046324 (1977-09-01), Chambers
patent: 4232834 (1980-11-01), Player et al.
Roller Mills, Bulletin No. 112, C-E Raymond Combustion Engineering, 11-1979.
Gibson William D.
Rosenbaum Mark
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