Wear-resistant hard-surfacing for the rolls of high-pressure rol

Details Wear-resistant hard-surfacing for the rolls of high-pressure rol Wear-resistant hard-surfacing for the rolls of high-pressure rol

1995-08-28

1998-01-06

Bryant, David P.

Solid material comminution or disintegration

Apparatus

Comminuting elements

492 30, B02C 400

Patent

active

057045615

ABSTRACT:
The rolls of high-pressure roll presses for the compressive size reduction of granular material are hard surfaced with nub pins which are wear-resistant and suitable for autogenous wear protection. The nub pins, which have a long potential service life even under the action of high compressive loads, have a radially inner pin part (13) which is easily welded to the roll surface (12) and a radially outer harder pin part (14) protectively covering the radially inner pin part.

REFERENCES:
patent: 2792183 (1957-05-01), Fasching et al.
patent: 3599306 (1971-08-01), Brafford
patent: 3859701 (1975-01-01), Huber
patent: 4114322 (1978-09-01), Greenspan
patent: 4617709 (1986-10-01), Gundlach
patent: 4984488 (1991-01-01), Lunde et al.
patent: 5267398 (1993-12-01), Hall

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