FLEXIBLE DRAWING FOR MACHINING OF THE HOLES OF THE SMALL DIAMETER

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Flexible drawing relates down the field of machine building, down the cutting tools for the cutting-edge treatment of surfaces, in particular the openings of small diameter before the components from the precious and rare-earth alloys, for example, of draw plates. The task, down to solution of which is directed useful model, is the creation of the device, which makes it possible to increase the quality of the workable surface due to reduction in the roughness, and the correction of the deviation of form, and so to increase production efficiency due to the possibility of the collection of shaving before the process of working. The essence of flexible drawing consists before the fact that it contains flexible shaft- rope 1 with established on it working elements 2, which have chip-separating grooves 3, staggered, connected on the ends between themselves due to those corresponding to each other on the form and sizes of protrusions and cavities. Drawing is supplied for the sake of deforming element 4, placed after last working element and executed in the form of the ball of that truncated on two parallel planes. The material of flexible shaft- rope is selected taking into account the cutting force. 1 [s].[p].[f]., 2 illustrations.