B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 4/30 (2006.01) B22D 19/10 (2006.01) B23K 9/04 (2006.01)
Patent
CA 2063407
A one-piece pulverizing mill roller assembly (10) and method of rebuilding he same: The roller assembly comprises a body (54), an integral hub portion (56) and an integral circumferential outside tread portion (53) which mates with an annular groove (20) in a grinding table (18). The roller assembly is composed of a relatively lower hardness steel which will accept hard surface weld beads to rebuild the circumferential outside tread portion as it wears. The rebuilding can be performed in-place in the pulverizing mill.
L'invention se rapporte à un cylindre monobloc (10) pour broyeur pulvérisateur et à un procédé de renouvellement de sa bande abrasive. Le cylindre se compose d'un corps (54), d'une partie de moyeu solidaire (56) et d'une partie de bande extérieure circonférentielle solidaire (53) qui s'adapte dans une rainure annulaire (20) pratiquée dans une table de meulage (18). Le cylindre se compose d'un acier de dureté relativement inférieure pouvant accepter des perles de soudure à surface dure, pour permettre le renouvellement de la bande extérieure circonférentielle au fur et à mesure de son usure. L'opération de renouvellement peut être effectuée sur place dans le broyeur pulvérisateur.
Parham Robert L.
Smart & Biggar
LandOfFree
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