FIELD: processes and equipment for working metals by cutting, manufacture of parts of roller type spindles of rolling mills.
SUBSTANCE: method comprises steps of preliminarily working ends of blank and cutting in its inner or outer surface lengthwise semi-cylindrical grooves; providing rough allowance of surface subjected to groove cutting or placing on said surface additional ring; setting thickness of ring or allowance more than difference between diameter and depth of groove; forming semi-cylindrical grooves by drilling blank with use of jig for making lengthwise openings; reaming or countersinking openings; removing additional ring or rough allowance and finishing grooved cylindrical surface.
EFFECT: enhanced efficiency, quality and accuracy of working.
2 dwg
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