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Development of domestic wire cutting machine tools

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Development of domestic wire cutting machine tools

来源: http://fxhhsgs.com点击: Date: 2016-05-11 11 : 10Source : http : //fxhhsgs.comClick :

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 that time, and the manufacturers of wire cutting machine tools were state-owned enterprises.
Although the technical capability is strong, due to the disconnection from the market and the constraints of the planned economy, the wire cutting machine tools produced not only have a high failure rate, but also have limited performance (only 50mm thick, with an efficiency of about 30mm & sup / min), but no matter what This type of wire cutting machine is a kind of machine tool unique to China. Although it has lower accuracy than foreign wire cutting machine tools, its manufacturing and use costs have absolute advantages and are very suitable for those developing countries. It is precisely because of this potential market demand.
After the implementation of the market economy in China, many wire cutting machine tool factories have emerged across the country, so disordered competition has appeared in the wire cutting market. Disordered competition has evolved into price competition. In order to reduce costs, some companies with poor technical strength have reduced production. Standards, coupled with inadequate management of relevant national technical supervision agencies, have caused huge differences in the quality of wire cutting machine tools from different manufacturers in the market. Some wire cutting machine tools can be used for 10 years without degradation, and some can only be used for two years. The price of wire cutting machine tools of the same specification can differ by 100,000 yuan, which does cause great difficulties for users in selecting models (especially foreign users). They will be fooled if they are not so good. Then why can these unqualified wire cutting machine tools still be Appear on the market?
The popularization of wire cutting applications by the manufacturing industry. The application of wire cutting machine tools is not limited to die manufacturing. Most of the mechanical parts are also used in the rough machining of wire cutting machines, so low-grade wire cutting machine tools also have a certain market. Another reason is that GB7926-87 wire cutting machine tool accuracy standards clearly stipulate that before reaching this standard, JB2670-82 "Metal Cutting Machine Tool Precision Inspection General Principles" must first be met, and some incapable production plants drill national standards. They Ignoring the JB2670-80 national standard, inferior materials were used to reduce processing accuracy during the production process, so the accuracy completely lost after 1-2 years as described above.
From the perspective of the 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 complete machine manufacturing capabilities, and can only be assembled and produced. The quality control of the whole process is impossible to talk about, and R & D and innovation are even more impossible. There are many such manufacturers in the eastern part of China. In addition, the laws supporting China's market economy are not yet mature, and due to the interests Driven by the protection of local governments, 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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