Abstract : Wire cutting machine is a kind of electric processing. China is the first country to use wire cutting for industrial production. Wire EDM can be divided into high speed reciprocating wire EDM machine and low speed single. To the wire EDM wire cutter and the vertical self-rotating wire EDM machine...
Introduction: Wire cutting machine tools belong to the category of electric machining. China is the first country to use wire cutting for industrial production. EDM wire cutting machines can be divided into high-speed reciprocating wire EDM wire cutting machines and low speed one-way. There are three types of wire EDM wire cutters and vertical self-rotating wire EDM machines. China's wire-cutting machine tools originated in the early 1970s. Before the implementation of the market economy, the development of wire-cutting machine tools was relatively slow, mainly because China's electronics industry was relatively backward at the time. The production lines of wire-cutting machine tools were state-owned enterprises, although the technology Strong ability, but due to the disconnection from the market, coupled with the constraints of the planned economy, the wire-cutting machine not only has a high failure rate, but also has limited performance (only 50mm thick, efficiency is 20~30mm2/min) but in any case Wire-cutting machine is a unique machine tool in China. Although it has lower precision than foreign wire-cutting machine tools, its manufacturing and use cost is absolutely superior. It is very suitable for developing countries. Due to the demand of this potential market, after the implementation of the market economy in China, many wire-cutting machine tool manufacturers have emerged in the country. As a result, disordered competition has emerged in the wire-cutting market, and disorderly competition has evolved into price competition. In order to reduce costs, Some enterprises with poor technical strength reduce production standards, and the management of relevant state technical supervision agencies does not Force, the quality of the EDM different manufacturers on the market a huge discrepancy.
The key to the wire-cutting machine is its accuracy, because the machine tool is the “working machineâ€, and only high-precision machine tools can produce high-precision machinery, further promoting the refinement of the product. As a kind of machine tool, wire cutting machine is also the goal that the industry is constantly pursuing. Although the technical ability is strong, but due to the disconnection from the market, coupled with the constraints of the planned economy, the wire-cutting machine produces not only high failure rate, but also limited performance (only 50mm thick, efficiency is about 30mm?/min) but no matter how This wire-cutting machine is a unique machine tool in China. Although it has lower precision than foreign wire-cutting machines, its manufacturing and use cost is absolutely superior. It is very suitable for developing countries. It is precisely because of the demand of this potential market.
From the perspective of social environment, China has not implemented a market economy for a long time. Some small wire-cutting machine tool manufacturers are still in the stage of accumulation of original capital. These manufacturers often do not have the whole machine manufacturing capability, but can only be assembled production and production. The quality control of the whole process is hard to talk about, and R&D and innovation are even more impossible. Such manufacturers are very much in the eastern part of China, and the laws that are currently compatible with China’s market economy are still immature and Driven by local government protection, these non-productive enterprises will continue to survive. From the current situation, the state's attitude towards this is naturally eliminated through market competition.
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