Patent ID: 6142002
Filing Date: 2000-11-07
Classification: B21F

Abstract:
A spring manufacturing apparatus for manufacturing a spring by feeding a wire, to be formed into a spring, from an end portion of a wire guide, and forcefully bending, winding, or coiling the wire by tools in a spring forming space near the end of the wire guide, comprising:wire feed means for feeding the wire toward the spring forming space;a tool selection table, on which the plural tools are radially mounted, rotatable about an axis substantially parallel to a wire axis line so as to enable selection of a predetermined tool from the plural tools;selection table driving means for rotating said tool selection table;a moving table for moving said tool selection table in three-dimensional directions for positioning the selected tool at a predetermined position of the spring forming space;moving table driving means for moving said moving table; andcontrol means for controlling said selection table driving means and said moving table driving means in accordance with a forming procedure of the spring.