CUTTER BLOCK RBE FOR MINING MACHINES

摘要

A cutter block for mining machines comprises a cutter support, which has a support surface with a through cutter mounting bore and opening in the side wall for mounting the retainer, a radial cutter comprising a working head with thrust surface located of its base and a shank with a groove for mounting the cutter, and a retainer for cutter fixing. The support surface of the cutter support and the corresponding thrust surface of the cutter are made ​​​​as wedge-shaped. The thrust surface of the cutter is increased due to lateral protrusions. The front and rear facets of through mounting bore of cutter support and corresponding facets of cutter shank have radiused shape. The groove for cutter fixing is arranged at the front edge of the shank and has a radiused shape corresponding to the retainer shape, designed as a slotted elastic tube.