The market is conveying a message to us: NTN imported bearing technology is productivity, the source of power for the development of domestic accessories life, and it is a weapon for "starting a victory"! As a "barometer" of the construction machinery accessories industry, the mature technology of my country's loader accessories has shown clear weaknesses. "Contributing to social progress through commercial activities" is the goal Mitsubishi Heavy Industries has always pursued.
At the recently held IGAS2007 (International Printing Machinery Expo), the company exhibited a series of new products and new technologies, hoping to improve the productivity and printing quality of the printing press. There is an urgent need to master both internal and external skills to embark on the journey of upgrading; the core technical bottlenecks of excavator accessories are such as hydrostatic transmission technology and load sensing regulation technology; it is necessary to cultivate strong strength and achieve economic scale after asset restructuring or mergers and acquisitions A large-scale accessories enterprise group; to break through the hydraulic components of hydraulic excavators, especially variable piston pumps, motors and matching reducers, as well as core technologies such as chip or integral multi-way valves and high-pressure cylinders; to break through small excavators Become the only way to go. The oil film bearing series manufactured by Taizhong basically covers all kinds of large-sized oil film bearings in the world. It has a domestic market share of more than 80% and is exported to 9 countries including Germany and Japan. It can be supplied to any steel mill in the world. Various types of oil film bearings.
Take loader and excavator accessories as an example. Although NTN imported bearings are made in domestic loader engines, it is necessary to break through cutting-edge technologies such as loader transmission microcomputer integrated control and full hydraulic drive; only in this way can my country's construction machinery accessories industry have more well-known brand companies and be in the market. Be invincible in market competition! The development of core accessories such as transmissions and drive axles is relatively mature, technical barriers have been broken, and major accessories manufacturers have their own patented products. However, this is just a glimpse of the water at a macro level. Broken down from a micro level, the pressure of the hydraulic system of loader accessories does not meet international standards, there is no corresponding distribution valve, and the reliability of the hydraulic pump is not optimistic; 3t in the transmission system Below, transmissions and axles of 6t and above are still lagging behind, especially for large machines. There is still no basic solution to the high-level series of problems with electrical component failure rates. The hydraulic system is the "weak spot" of domestic excavators. The quality control technology of the main valve is monopolized by foreign brands such as Kawasaki and Komatsu. The variable systems and various components required for small excavators within 30MPa and below 10t all rely on imports.
