METHOD AND APPARATUS FOR PRODUCING MOLD OF GEAR MADE OF SYNTHETIC RESIN AND TOOTH FORM PLANNING METHOD AND DEVICE OF MOLD OF GEAR MADE OF SYNTHETIC RESIN

摘要

PURPOSE: To produce a mold in an economically advantageous manner without requiring skill and to prevent the generation of the interference with a partner gear in the fillet tooth form part of a gear made of a synthetic resin produced by a mold. ;CONSTITUTION: A wire discharge processing device 2 processing a mold raw material 6 into a two-dimensional contour shape, a controller 4 controlling the operation of the wire discharge processing device 2 and a microcomputer 5 planning a gear are provided. A gear operation part 52 operating the coordinates of the contour of the gear on the basis of various input data of the gear is provided to the microcomputer,5 and a driving control output part 42 converting the operation result of the gear operation part 52 to the driving control signal relatively moving an electrode wire 25 and the mold raw material 6 to transmit said signal to the wire discharge processing device 2 is provided to the controller 4 and a fillet tooth form and tooth base curve operation part 52a operating the tooth base curve of a fillet tooth form part preventing the interference of the tooth tip of a standard rack tool with the tooth of the gear is provided to the gear operation part 52.;COPYRIGHT: (C)1996,JPO