FIELD: mining machine engineering. SUBSTANCE: breaking tools are mounted on lateral and end surfaces of an actuating member of the cutter. The breaking tools, mounted on the end surface of the actuating member, are provided by pneumatic percussion mechanisms, and they are arranged with inclination angle, equal to (35-45) degrees, relative to cutting surface of the actuating member. EFFECT: enhanced efficiency. 1 cl, 3 dwg
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Authors
Dates
1995-05-10—Published
1990-10-24—Filed