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Enhance the level of equipment to help the industry achieve the dream of a power(Hits:) 
Origin Author Add Time2015-10-17
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    In recent years, China's key industries and key construction projects, such as power generation, high-speed locomotives, mining machinery, large-scale construction machinery, large ships, drilling platforms and aerospace demand for major equipment, more and more of the ancillary gear and Its gearbox also made more updated requirements. After 20 years of rapid development, the country has become a veritable gear producing countries, but still far from the goal of power. At present, China gear industry can not fully meet the matching requirements of key industries and key projects, the industry's overall technological level is only equivalent to the level of developed countries in the late 1990s of the 20th century. Thus, gear box manufacturing and has become a constraining the development of a series of major equipment bottlenecks.
    "Twelve Five" period, gears and gearing was listed as the focus of development. This is also the country into a key powers of gear from the gear power. Gear industry including industrial gear, vehicles, gear and gear equipment manufacturing three areas. Logo gear power gear technology and gear not only first-class quality, but also includes world-class gear manufacturing equipment. In our country the transition from gear to gear power process, enhance the level of gear manufacturing equipment at a critical position.
    Gap is the driving force
    Processing gear can be used from the milling, hobbing, grinding Shaper to a variety of technology. Therefore, from a process point of view we will be able to analyze the current situation of gear processing technology and equipment, as well as the gap with foreign countries.
    Machine bed:
    - Milling Machine. Gear milling machine is rarely used because of its low efficiency in the small module cylindrical gears working, but in a certain application processing large cylindrical gears, especially ring gear processing. Because a small number of large gears, milling is the main way. There are a number of domestic production of such machines. At present, the domestic use of gear milling gap with foreign countries is relatively small.
    - Hobbing machine. Hobbing is the primary means of cylindrical gear machining for roughing and semi-finishing, suitable for processing all kinds of straight, helical gear. Hobbing large ring gear also show good prospects. Currently domestic high-speed and large hobbing hobbing hobbing big gap with foreign advanced, but ten meters large hobbing country already has the world level.
    - Slotting machine. Its efficiency is lower than hobbing machine, mainly used for the inner ring, double or multiple machining associated gear. The current level of domestic slotting machine a big gap with the world advanced level.
    - Grinding machine. Forming and worm wheel grinding mill is the main way in modulus gear finishing; forming grinding teeth is the main form of large cylindrical gear finishing, although 1.2 meters of worm wheel grinding machine has occurred. Modern CNC grinding machine can achieve the tooth surface modification of any three-dimensional topology. Grinding large domestic market almost to Hofler, Niles, Gleason and other well-known international companies occupied. In the current domestic modulus grinding gap with foreign countries is not big, but the gap between the level of large-scale grinding and abroad great.
    Tool:
    Gear cutter includes three elements: geometric design, materials and coatings. Overall, domestic gear cutters companies in terms of macro-design tool comparatively good, but other details of the design modification big gap with foreign countries. Coating is a key element of the tool life, while most of the gear cutting tool coating equipment still rely on imports. In addition, gear cutters to reach the world advanced level also needs to make more efforts in innovation.
    measuring instrument:
    Foreign: Based on the small modulus gear measuring technology Electronics Show as a method has matured, the typical instrument CNC gear measuring centers are widely used, the measurement accuracy and stability in the three, part of the project up to the secondary; gear measurements usually large gear measurement center and coordinate measuring machines, gear diameter can be measured has reached 6 meters; integrated in the gear machine gear machine measuring system has become the machine (especially large grinding machine) components; coupling gear production line, combined with automatic loading robot rapid sorting of materials gear measuring machines become the dominant vehicle gear field measurement equipment.
    Domestic: the modulus gear measuring center is relatively mature, the measurement accuracy and stability in four, some of the projects of up to three; the largest center of gear measuring gear can be measured two meters in diameter; integrated in the machine measuring system is in the development stage; coupling in vehicle gear production line fast sorting gear measuring machines have been put into production; our unique integrated gear error measuring instrument did not get nearly 20 years of development, the market continued its traditional applications in narrow; not satisfied Gear Measurement coordinate measuring machine, small die Gear measuring instruments and gear measuring instruments almost all imports.
    The micro-gear and extra gear (6 m in diameter or more) measurements are technical challenges at home and abroad, being explored. Great gear money transfer is a worldwide problem.
    Strong, strong gear equipment
    At present, China gear cutting outfit, in appearance, specifications, and other aspects of the main functions have made considerable progress, successfully resolved the problem from scratch; in particular, the National Science and Technology major projects ("high-end CNC machine tools and basic manufacturing equipment ") support for gear manufacturing equipment, so that the gap between the level of a portion of the gear and equipment and the world's top products get smaller. However, the country still has some of the gear manufacturing equipment is blank, and the existing equipment reliability, stability, to maintain the accuracy, processing efficiency, and many other intelligent level there is a big gap, to finally reach the international level, but also In the face of the need to carry out a systematic multi-process research and technological innovation.
    For existing gaps and future gear manufacturing needs of key technology and equipment, our "gear Engineering Technology Roadmap" lists the key process equipment gear processing development objectives:
    Development of high-precision, high efficiency, large CNC cylindrical grinding gears and bevel gear grinding machine, change of major, high-grade grinding dependence on imports.
    Development of dry hobbing hobbing and hardened, the development of large bevel gear milling machine and other special milling machine.
    Develop efficient hobbing tools, tool coating materials and technology research and development, expand carbide, CBN tools application; develop material removal rate, long life, low repair frequency grinding wheel.
    Development of high-end CNC induction hardening machine, the development of new smart, efficient, low consumption, environmentally friendly gear carburizing, nitriding and other heat treatment equipment.
    Development based on large gear measurement technology and laser tracking technologies such as indoor laser radar measurement systems in place to develop fiber-based probe micro gear measuring machine, developed under combined mechanical hand material, coupled gear production line measuring gear fast sorting machines.
    Up and down a total of cooperation and development
    After future efforts, breakthrough technology of high-end products, so that our product quality to meet international standards gear, complete the transition from gear to gear powerful manufacturing country, thus making China the world's major exporter of gear products, which is China gear industry strategy tasks.
    To complete this arduous task, need to come from other government, industries and enterprises a wide range of support and efforts, more needs to gear industry, their own continuous innovation. It includes the following aspects:
    Promote enterprise-based "political research with" binding, organizing joint research collaborative innovation model, set up research alliances. Our gear industry to form a basis for research, product development, process and equipment development system in a market economy.
    Acceleration gear standard-setting, and the formation of the system.
    Establish common technical gear industry service platform, to accelerate new technologies, new processes, promotion and application of advanced standards and improve the industry's ability to innovate.
    Establish gear product testing and reliability services platform.
    Implementation of brand strategy. This is an important means to establish a corporate image, but also China gear industry and stronger, to the world the only way.
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