Newmont Gold Company

Lance Dean

A gyratory mantle liner assembly for use in a gyratory crushing machine including a mainshaft to which is attached a retaining ring having a lip, a conical-shaped upper liner having a serrated and bevelled lower edge, a plurality of lower liner segments and having an upper bevelled edge arranged around the lower circumference of the mainshaft, and a retaining nut for tightening and applying constant force to the upper and lower liner segments to hold them securely against the mainshaft. The lower liner segments defining the crushing surface are generally made of heat treated alloy material.

Gyratory mantle liner assembly

A gyratory mantle liner assembly for use in a gyratory cone crushing machine; each assembly includes a retaining ring formed from high density steel having a conical lip on the edge surface thereof, a conical shape upper liner having arcuate teeth and a bevelled lower-end surface on the arcuate teeth formed from mild steel, a plurality of lower liner segments having an upper arcuate tooth surface with a bevelled edge and a seat, and a retaining nut for tightening and holding in position the upper and lower liner segments. The lower liner segments defining the crushing surface are made from heat treated alloy material and are arranged in a ring fashion on the bell skirt without the need for adhesives.

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Elko, NV, United States of America

Lance Dean