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08

2019

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10

The main problems exist in the mechanical pump and valve industry in China


First, serious duplication of construction, low degree of specialization, no scale, poor economic benefits

Compared with the main machine, the initial capital and technology investment required by the establishment of the enterprise is relatively small. Therefore, in several times of great economic development of the country, a number of basic parts production enterprises have been increased, followed by a large number of low-level repeated construction, many points, small batch, forming no economic scale. Although basic parts enterprises gradually independent of the main engine factory, but most of the enterprises themselves are large and complete, small and complete, low degree of specialization, equipment level is not high, unstable quality, low economic benefits. Such as our bearing industry three large backbone enterprises annual production capacity bearing total is less than a foreign famous company 50. In recent two years, our country has built nearly 100 hydraulic parts factories, but annual output of more than 300 thousand only a few, the main product is for agricultural machinery supporting. And Germany Rexroth company annual output of various hydraulic parts of 1.3 million pieces, Japan oil research also annual output of more than 600,000 pieces. The average production value of die and mould enterprises in the developed countries is about $150,000 to $200,000, and our country is only 40,000 to 50,000 yuan. In recent years, with the implementation of the policy of common development of various forms of ownership, the basic parts industry is experiencing an intensive development process from decentralization to gradual concentration.

Second, the strength of scientific research and development is weak, capital investment is insufficient, and technological progress is slow

Basic parts industries introduced a batch of foreign advanced technologies earlier in the late 1970s and early 1980s, but they lacked sufficient investment in hardware and software for digestion and absorption. According to foreign experience, the ratio between the introduction of technology and the funds needed for digestion and absorption is about 1:7, but our country is familiar with this relatively late, and the pace of digestion and absorption is slow. Market competition is actually a contest of technical strength. Foreign countries attach great importance to this, have increased investment, occupy the commanding heights of technology. All the famous companies spend 4 ~ 5 percent of their sales on research and development, with 10 percent of their key areas. At present, although there are many colleges and universities engaged in scientific research work, many theoretical research, scientific research achievements, patent papers have a quite high level, but the combination with production practice is not tight, especially the speed of transformation into commodities is slow.

Third, the backward raw materials and related technologies, low level of process and process equipment, restricted the development of basic parts

The poor quality of steel used in fasteners, chains, springs, bearings, molds and other products and fewer varieties and specifications directly affect the quality of basic parts, and the backward electronic control technology related to the quality of hydraulic parts, also directly affect the quality and reliability of hydraulic parts. Mechanical base parts are generally batch, mass production, but also a variety of products with high processing accuracy requirements, so the production process and equipment requirements are high, large investment. In foreign countries, high efficiency and high precision special aircraft, production lines or flexible lines are used to achieve efficient automated production. However, some basic component enterprises are restricted by the funds, the investment intensity is not big, the enterprise self-reforming ability is poor, the advanced equipment is less and does not match, which affects the quality of the products.