FIELD: machine engineering.
SUBSTANCE: cutter contains a steel body made of low alloy structural steel and a gear rim in the form of separate hard alloy segments fastened on the body by rivets. The gear rim contains an odd number of hard alloy segments which are made with multidirectional gears with a multi-layer wear-resistant coating arranged with uneven pitch. The body is divided into 15-25 sectors by shaped slots with irregular pitch and made with a hardness of 32-36 HRC, with two rows of threaded holes with said angular positions relative to zero mark and with balancing screws of different weight placed therein which are screwed in by tightening through central square hole provided in each balance screw.
EFFECT: increased stability and reliability of the cutter, reduced labour hours for balancing thereof, improved quality of the cut.
1 dwg
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