Electric sparkle wire cutter with high/low speed wire-moving

Abstract

The present invention relates to an electric spark wire cutting machine with high/low speed walking thread used for processing workpiece, which comprises a bed body provided with a lower wire frame, a standing pole provided with an upper wire frame and a thread transporting structure, and the thread transporting structure comprises an insulated pedestal, a pulse power supply, a plurality of guide wheels of the electrode threads and two groups of thread storing drums, wherein, the insulated pedestal is positioned on the bed body, and the anode of the pulse power supply is communicated with the electrode thread through a conductive carbon block, and the cathode is connected with the workpiece positioned on the insulated pedestal. The guide wheels are respectively arranged on the upper and lower thread frames to hold guide and support for the electrode threads. Two groups of thread storing drums are respectively positioned on the bed body and the standing pole. The electric spark wire cutting machine of the present invention has no limitation for one way walking thread or double way walking thread, and the speed for walking threads has bigger elasticity. The copper (alloy) or molybdenum (alloy) thread, etc., can all be used as the electrode thread. The medium (processing liquid) has scope of choosing, and the applicable space for the thick and thin workpiece is big, and the feasibility for the processing of non-ferrous metal or black metal is high. The present invention has the advantages that: the present invention has open processing manner and simple manufacturing, which saves cost and is economical and practical.

Description

technical field [0001] The invention relates to a wire electric discharge machine, in particular to a wire electric discharge machine with high / low speed wire cutting. Background technique [0002] Since Russian scholar B.R.Lazalenko put forward the theory of electric machining and adopted this technology, wire electric discharge machine has been widely used in various metal processing industries, especially the mold manufacturing industry which developed rapidly later. For difficult-to-machine materials, complex-shaped surfaces, ultra-thin and narrow gaps, various high- and low-rigidity elastic workpieces, parts, and special fine and precise requirements, spare parts and molds with different degrees of smoothness, etc., it is very easy to process difficult problems. To a large extent, it depends on the wire electric discharge machine to solve it. Wire EDM has replaced most of the traditional metalworking and manual tools, and has been developed and manufactured into a prac...

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Problems solved by technology

[0004] As shown in Figure 1b, the existing slow-speed unidirectional wire cutting machine uses copper (alloy) wire 4" as an electrode, which is installed on a circular wire storage cylinder 40, and its current used can be compared with the above-mentioned fast wire cutting machine. The machine is large, but the requ

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