Method of grooving mine hoist drums and the like
阅读：628发布：2023-01-25
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1. A METHOD OF GROOVING THE PERIPHERY OF A CABLE WINDING DRUM WITH A GROOVING TOOL, INCLUDING THE STEPS OF POSITIONING SAID TOOL FOR GROOVING THE DRUM, ROTATING THE DRUM RELATIVE TO THE TOOL TO FORM A GROOVE WHICH IS GENERALLY PERPENDICULAR TO THE DRUM AXIS, COUPLING SAID TOOL TO A CONTINUOUSLY RUNNING DRIVE MEANS AT LEAST ONCE IN EACH COMPLETE REVOLUTION OF THE DRUM AND AS SAID DRUM ROTATES TO MOVE THE TOOL GENERALLY PARALLEL TO THE DRUM AXIS TO FORM AT LEAST ONE DEFINED SOMEWHAT HELICALLY DIRECTED GROOVE PORTION IN EACH 360 DEGREES OF GROOVE, UNCOUPLING THE TOOL FROM THE DRIVE MEANS AND SIMULTANEOUSLY APPLYING A BRAKING FORCE TO THE TOOL AFTER MOVEMENT OF THE GROOVING TOOL PARALLEL TO THE DRUM AXIS IN ONE COMPLETE REVOLUTION OF THE DRUM IS AT LEAST EQUAL TO THE WIDTH OF THE GROOVE BEING FORMED, THEREAFTER REPEATING SAID SUCCESSIVE STEPS UNTIL THE PERIPHERY OF THE DRUM HAS A SINGLE CONTINUOUS GROOVE, MAJOR PORTIONS OF WHICH IN EACH 360 DEGREES ARE PARALLEL TO EACH OTHER.
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