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当前我国轴承行业主要面临三大突出问题
第一，行业生产集中度低。在全世界轴承约300亿美元的销售额中，世界8大跨国公司占75%～80%。德国两大公司占其全国总量的90%，日本5家占其全国总量的90%，美国1家占其全国总量的56%。而我国瓦轴等10家最大的轴承企业，销售额仅占全行业的24.7%，前30家的生产集中度也仅为37.4%。
First, the concentration of production in the industry is low. Of the world's bearing sales of about $30 billion, the world's eight large-span companies account for 75%-80%. Two German companies account for 90% of the country's total, five Japanese companies account for 90% of the country's total, and one American company accounts for 56% of the country's total. The 10 largest bearing enterprises in China, such as bushes and axles, account for only 24.7% of the total sales, and the concentration of production in the top 30 enterprises is only 37.4%.
第二，研发和创新能力低。全行业基础理论研究弱，参与国际标准制订力度弱，少原创技术，少专利产品。
Second, the ability of R&D and innovation is low. The basic theory research of the whole industry is weak, the participation in international standard formulation is weak, less original technology, less patented products.
当前我们的设计和制造技术基本上是模仿，产品开发能力低，表现在：虽然对国内主机的配套率达到80%，但高速铁路客车、中高档轿车、计算机、空调器、高水平轧机等重要主机的配套和维修轴承，基本上靠进口。
At present, our design and manufacturing technology is basically imitation, and the ability of product development is low. The performance is that although the matching rate of domestic mainframe is 80%, the matching and maintenance bearings of high-speed railway passenger cars, medium and high-grade cars, computers, air conditioners, high-level rolling mills and other important mainframes are basically imported.
第三，制造技术水平低。我国轴承工业制造工艺和工艺装备技术发展缓慢，车加工数控率低，磨加工自动化水平低，全国仅有200多条自动生产线。对轴承寿命和可靠性至关重要的先进热处理工艺和装备，如控制气氛保护加热、双细化、贝氏体淬火等覆盖率低，许多技术难题攻关未能取得突破。轴承钢新钢种的研发，钢材质量的提高，润滑、冷却、清洗和磨料磨具等相关技术的研发，尚不能适应轴承产品水平和质量提高的要求。因而造成工序能力指数低，一致性差，产品加工尺寸离散度大，产品内在质量不稳定而影响轴承的精度、性能、寿命和可靠性。
Third, the manufacturing technology level is low. In China, the manufacturing technology and equipment technology of bearing industry are developing slowly, the NC rate of turning is low, and the levewufangbu.07858.netxinban.07858.netlalijii.07858.netshiyanji.07858.netliuhuaji.07858.net liuhuajii.07858.netl of grinding automation is low. There are only more than 200 automatic production lines in China. Advanced heat treatment processes and equipment, which are crucial to bearing life and reliability, such as atmosphere control, protective heating, double refinement and bainite quenching, have low coverage, and many technical problems have not been solved. The research and development of new types of bearing steel, the improvement of steel quality, the research and development of related technologies such as lubrication, cooling, cleaning and abrasive Abrasives can not meet the requirements of improving bearing product level and quality. As a result, the process capability index is low, the consistency is poor, the processing dimension of the product is discrete, and the inherent quality of the product is unstable, which affects the accuracy, performance, life and reliability of the bearing.
First, the concentration of production in the industry is low. Of the world's bearing sales of about $30 billion, the world's eight large-span companies account for 75%-80%. Two German companies account for 90% of the country's total, five Japanese companies account for 90% of the country's total, and one American company accounts for 56% of the country's total. The 10 largest bearing enterprises in China, such as bushes and axles, account for only 24.7% of the total sales, and the concentration of production in the top 30 enterprises is only 37.4%.
第二，研发和创新能力低。全行业基础理论研究弱，参与国际标准制订力度弱，少原创技术，少专利产品。
Second, the ability of R&D and innovation is low. The basic theory research of the whole industry is weak, the participation in international standard formulation is weak, less original technology, less patented products.
当前我们的设计和制造技术基本上是模仿，产品开发能力低，表现在：虽然对国内主机的配套率达到80%，但高速铁路客车、中高档轿车、计算机、空调器、高水平轧机等重要主机的配套和维修轴承，基本上靠进口。
At present, our design and manufacturing technology is basically imitation, and the ability of product development is low. The performance is that although the matching rate of domestic mainframe is 80%, the matching and maintenance bearings of high-speed railway passenger cars, medium and high-grade cars, computers, air conditioners, high-level rolling mills and other important mainframes are basically imported.
第三，制造技术水平低。我国轴承工业制造工艺和工艺装备技术发展缓慢，车加工数控率低，磨加工自动化水平低，全国仅有200多条自动生产线。对轴承寿命和可靠性至关重要的先进热处理工艺和装备，如控制气氛保护加热、双细化、贝氏体淬火等覆盖率低，许多技术难题攻关未能取得突破。轴承钢新钢种的研发，钢材质量的提高，润滑、冷却、清洗和磨料磨具等相关技术的研发，尚不能适应轴承产品水平和质量提高的要求。因而造成工序能力指数低，一致性差，产品加工尺寸离散度大，产品内在质量不稳定而影响轴承的精度、性能、寿命和可靠性。
Third, the manufacturing technology level is low. In China, the manufacturing technology and equipment technology of bearing industry are developing slowly, the NC rate of turning is low, and the levewufangbu.07858.netxinban.07858.netlalijii.07858.netshiyanji.07858.netliuhuaji.07858.net liuhuajii.07858.netl of grinding automation is low. There are only more than 200 automatic production lines in China. Advanced heat treatment processes and equipment, which are crucial to bearing life and reliability, such as atmosphere control, protective heating, double refinement and bainite quenching, have low coverage, and many technical problems have not been solved. The research and development of new types of bearing steel, the improvement of steel quality, the research and development of related technologies such as lubrication, cooling, cleaning and abrasive Abrasives can not meet the requirements of improving bearing product level and quality. As a result, the process capability index is low, the consistency is poor, the processing dimension of the product is discrete, and the inherent quality of the product is unstable, which affects the accuracy, performance, life and reliability of the bearing.
