CNC gear processing machine tool becomes one of the strengths of China's machine tool products

In the past, China's machine tool manufacturers were relatively backward in technology, generally lacking independent innovation capability and key, core technology support. Their products are mainly based on low-end products, lack of competitiveness, stability, reliability and durability in the quality of CNC machine tools. There is a clear gap in sex compared with foreign advanced products. However, the demand for high-end products such as CNC precision gear machine tools is mainly dependent on imports due to the lack of domestic products.

But to this day, it is not quite clear that this sentence is used to describe the gear processing machine industry.

As far as Qinchuan Group is concerned, its CNC 11-axis five-link automatic tool setting, automatic loading and unloading worm-type grinding wheel grinding machine, etc., diameter 2m grinding machine, 7-axis five-linking spiral bevel gear grinding machine, are the last three In the past years, we have entered new world-class machine tools with different mass production. In particular, small-sized spiral bevel gear processing machines (milling and grinding) can be used in the automotive industry and military, tank, and boat industries; and large-size 2m diameter spiral bevel gears can be used for deep well drilling and Construction and mining machinery manufacturing.

Because CNC gear processing machine tool is now one of the strengths of China's machine tool products, it is a series of 6-axis (coordinate) five-link CNC hobbing machine, large internal and external gear milling machine for wind power industry, and 12m milling machine for heavy mining machinery industry. And so have been successfully developed.

People from the China Machine Tool Industry Association told reporters that from the perspective of China International Machine Tool Exhibition this year, the domestic market for CNC gear processing machines has a high satisfaction rate, but some high-end CNC gear processing machines also rely on imports.

For example, the gearbox of a wind turbine is mainly composed of a casing, a planetary gear train and a shifting mechanism. The fan gearbox body is a large-sized box. The diameter is about 2~3m depending on the amount of power generated, and most of them are separated structures. The CNC floor-type milling and boring machine with large diameter of 160~250mm and large horizontal machining center and gantry machining center are required for machining. The processing precision is high. At present, the demand for such machine tools by wind turbine manufacturers is still mainly imported.

In addition, since the gear processing amount in the gearbox is also large, large-sized inner ring gears, cylindrical spur gears, and helical gears are required to be mass-produced. The main processing equipment is large-scale CNC vertical gear hobbing machine, CNC gear shaping machine, CNC gear grinding machine and so on. In these gear processing machines, the general requirements for large specifications are high efficiency, heavy load, heavy cutting and good rigidity. But unfortunately, the current large-scale gear processing machine tools still rely mainly on imports, and domestic equipment can only achieve the processing of small and medium-sized gears.

Whether it is the traditional automobile, shipbuilding, aerospace, military and other industries, or the emerging high-speed rail, railway, electronics and other industries in recent years, it has placed urgent demands on the rapid development of the machine tool industry. This has put forward new requirements for gear processing machine tool manufacturers. Now some enterprises have responded to the situation, actively adjust the industrial structure, continuously expand the product application field, and provide high-speed, high-stability, high-precision machine tool products to the hot industry, satisfying Industry needs.

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Label: CNC gear processing machine tool is one of the strengths of China's machine tool products

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