Method of manufacturing pulverizer rolls

Details Method of manufacturing pulverizer rolls Method of manufacturing pulverizer rolls

1980-12-10

1983-06-28

Husar, Francis S.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

295273, 2940218, 2940207, 241117, B22D 11126, B02C 1504

Patent

active

043897673

ABSTRACT:
A method particularly suited for manufacturing a pulverizer, i.e., grinding, roll (18) of the type that is designed to be embodied in a bowl mill (10) so as to be operative therein for purposes of effecting the pulverization of a material such as coal through the coaction of the pulverizer roll (18) with another surface with which the bowl mill (10) is provided for this purpose. The subject method includes the steps of forming from a material that is characterized by its ease of machinability a body (50) having the general configuration of a roll, providing through the center of the body (50) a suitably dimensioned through passage (54) capable of having a support member positioned therewithin in mounted relation thereto, shaping the outer surface (58) of the body (50) in accordance with the predicted wear characteristics that the pulverizer roll (18) is expected to experience based on the nature of the use to which the pulverizer roll (18) is intended to be put such that the contour thereof replicates that of a worn pulverizer roll, and applying a substantially uniform layer of a material characterized by its wear-resistant qualities to the outer surface of the body (50).

REFERENCES:
patent: 3409966 (1968-11-01), Hilbish
patent: 3541674 (1970-11-01), Sable

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