海表里密封资料与技巧水平的比拟剖析(国外英文资料).docVIP

国内外密封材料与技术水平的比较分析(国外英文资料) Liquid pressure world 2010 fifth readings: 1426 Editors note: in recent years, the production and quality of rubber sealing products in China have gradually entered a new stage and new period. However, only these can not satisfy the need of the development of other industries of various types of rubber seal products standardization and serialization of products, especially compared with the international advanced countries, our products in terms of product quality, or product varieties, has a considerable gap. The 100 forum focuses on the concept, seal the research content and research significance, summarizes the current situation of rubber seal, mechanical seal and packing seal technology, analysis of Chinas and the world advanced sealing technology in developed countries at the level of research and new product development ability gap, and our future focus on the seal the field of research and put forward some suggestions. The overall competitiveness of Chinas sealing industry is not strong As we all know, in our country, the sealing industry can be regarded as the smallest industry, but the products can be used in conjunction with large industries. No matter aviation, navigation, petroleum, chemical industry, or machinery, power generation, metallurgy, mines, etc., are inseparable from the seals. In short, all organic, pump, pipe, valve places are dependent on the seal. Therefore, the industry is small, involving a wide range of faces. In recent years, with the development of economy, the development of sealing industry is very fast. But unlike other industries, the development of the sealing industry is rapid, but the sealing enterprises are changing slowly. For example, at the end of 70s and early 80s, there are several manufacturers only in Jiangsu, Zhejiang and Shandong, and now both coastal and inland, and the South and the north, everywhere seal factory, the entire industry has been sealed by the previous few, to 300 now, the spe