Abstract In 2013, China's machine tool industry continued its development trend in the second half of 2012. The growth rate continued to slow down and the domestic market was sluggish. The demand for domestic low-end products has been significantly reduced, and the import volume has been running at a high level. The contradiction between product structure and market demand is more prominent. In this case, to new...
In 2013, China's machine tool industry continued its development trend in the second half of 2012. The growth rate continued to slow down and the domestic market was sluggish. The demand for domestic low-end products has been significantly reduced, and the import volume has been running at a high level. The contradiction between product structure and market demand is more prominent. Under this circumstance, the equipment field represented by new energy is considered to be an important driving force for the development of China's machine tool industry to high-end and industrial restructuring. According to industry experts, "the processing of new energy equipment will become the main force of machine tool demand, which requires a variety of precision, large-scale CNC, special machine tools and supporting. Advanced equipment manufacturing technology, especially advanced machine tool equipment is new energy equipment manufacturing The fundamental guarantee for industrial upgrading." Rapidly developing new energy industry
According to data released by the National Energy Administration, as of the end of 2012, China's power generation installed capacity reached 1.144 billion kilowatts, of which nuclear power was 12.57 million kilowatts, accounting for 1.10% of China's total installed capacity. As of February 21, 2013, there were 7 nuclear power plants built and put into commercial operation in mainland China, a total of 15 units, and 28 units were still under construction with a total installed capacity of 31.56 million kilowatts.
In terms of wind power, in 2012, 7,872 new wind turbines were installed in China, with an installed capacity of 12,960 MW. A total of 53,764 wind turbines were installed, with an installed capacity of 75,324.2 MW, a year-on-year increase of 20.8%. In 2012, the total number of wind power grids reached 60.83 million kilowatts, ranking first in the world for two consecutive years. The annual power generation exceeded 100 billion kilowatt hours, accounting for 2% of the country's total power generation. It has become the third largest power source. China has replaced the United States as the world's largest wind power country. The State Grid has become the world's largest and fastest-growing power grid, and the ability of large power grids to operate large wind power is at the world's leading level.
In order to meet the development of the national economy, the power industry will maintain a relatively fast growth rate. The introduction of government policies and the adjustment of energy structure have opened up market space for the energy equipment manufacturing industry and created new market opportunities for the machine tool industry.
Reliability is the lifeblood of nuclear power processing equipment
The key processing parts of power generation equipment are heavy in weight, special in shape, high in precision, difficult to process, and expensive. The price of a single piece far exceeds the price of a heavy-duty CNC machine tool. Therefore, the machine tools required for the manufacture of key components of nuclear power equipment are characterized by large size, high rigidity and high reliability. Requires a variety of super heavy duty CNC machine tools and special machines, such as large CNC vertical lathes, large CNC horizontal lathes, CNC floor milling and boring machines, gantry milling machines and machining centers, CNC drilling machines, etc., as well as large pressing equipment and CNC pipe bending machines. . For some specific machining parts, the machine is required to have multi-axis control five-axis linkage and composite machining functions.
Machine tool accuracy restricts the development of wind power equipment
As one of the representatives of new energy, the development of wind power industry has also driven the growth of demand for wind turbines and their components and equipment for wind power processing. Wind power plant equipment mainly includes the following parts: gearbox (lifting box), generator set, blades, tower base and substation. At present, wind power generation is gradually developing to high-power units, requiring high reliability and long life cycle, so the accuracy of machine tools is very high.
User industry that machine tool companies cannot ignore
The rapid development of the new energy industry has made it a user industry that machine companies cannot ignore. After the outbreak of the financial crisis, the new energy industry has accelerated to become the focus of machine tool companies seeking new growth points. Among them, there are some enterprises with a mainstay, which are steadily improving their technical level and product quality.
Tianshui Xinghuo Machine Tool enters the field of wind power
Tianshui Xinghuo Machine Tool Co., Ltd. signed a cooperation agreement with Xiangdian Group and Huatang Power Investment Group three years ago. The three parties jointly invested to build a wind turbine generator enterprise. After reaching the standard, it can produce 2 MW direct drive every year. 300-500 sets of wind turbines.
Tianshui Xinghuo intends to take advantage of advanced equipment manufacturing technology and intensive production and processing, and actively integrate domestic and foreign technical resources, in order to achieve its rapid development in the manufacture of wind power equipment, and use the geographical advantages to expand the wind power equipment market.
Qizhong BVDM500X5 high efficiency CNC vertical milling and drilling center
BVDM500X5/20L-MC high-efficiency CNC vertical milling and drilling machining center series produced by Qizhong Numerical Control Equipment Co., Ltd. is mainly used for milling and drilling of end faces of rotary parts such as discs and rings in the bearing manufacturing industry and wind power industry. Processing of steps such as reaming and tapping.
The left and right vertical columns and the workbench of the machine tool are combined with the structure, the beam is placed on the left and right vertical columns to form the gantry frame structure; the worktable closed-loop control is accurately indexed; the C-axis is equipped with damping and automatic clamping function; the drill-milling tool holder T-type The structure of the ram; the core of the ram is equipped with imported high-power high-precision drilling and milling spindle, driven by 1PH7 motor, the spindle has a central water discharge function; the left and right 24-station tool magazine can be used to realize the automatic replacement of the tool; the Siemens 840D CNC is used. The system can control X, Z, U, W, C five CNC axes to work at the same time, and can realize any three-axis linkage and full closed-loop control.
Wuzhong ZK5540 CNC gantry mobile multi-head drilling machine
The ZK5540 CNC gantry mobile multi-head drilling machine developed by Wuzhong Group CNC Milling Machine Co., Ltd., which has completely independent intellectual property rights, has played a key role in the manufacturing process of nuclear power equipment in China. This set of equipment is the first in China. It is an advanced equipment with high efficiency, high precision, high reliability, high speed, high dynamic response and high rigidity. It has broken the monopoly of nuclear power tube processing equipment in the developed industrial countries in the world and has become China. The same is true for independent innovation.
ZK5540 CNC gantry mobile multi-head drilling machine is a high-speed 8-axis milling and drilling spindle system developed on the basis of gantry mobile boring and milling machine. First of all, it has obvious efficiency advantages. Reasonable adjustment of the spacing between the drill shafts and maximum use of the eight axes for drilling can greatly improve the production efficiency. Secondly, the machine is highly automated, multi-axis linkage, good control precision and high machining accuracy. The in-position detection technology can monitor the drilling quality and the cutting safety of the drill bit in real time (so that the drill bit will not break or other abnormal phenomena when drilling), ensuring zero scrap rate; no need for shutdown detection, saving auxiliary machining time and improving Processing efficiency.
Qinchuan Machine Tool Nuclear Power Nuclear Island Deep Hole Limit Special Drilling Machine
In 2012, the nuclear power nuclear island deep hole limit special drilling machine developed by Qinchuan Machine Tool was qualified for one-time inspection. The horizontal deep hole drilling machine for critical processing of nuclear power nuclear islands is a continuous adjustment and deep transformation strategy of Qinchuan Machine Tool. It is another independent innovation in the field of clean energy equipment after wind power transmission box complete sets of equipment and photovoltaic wafer cutting machine. Results.
The deep hole drilling machine has a maximum drilling length of 2,500 mm, a maximum drilling diameter of 40 mm, and a minimum drilling diameter of 1.6 mm. Try to cut a hole with a diameter of 25mm and a length of 2,000mm. The coaxial error at both ends is 0.3mm, and the straightness is 0.05mm, which has reached the international advanced level and far exceeds the accuracy required by users. In the development process of the machine tool, the technicians based on the company's advantages in precision shafting, precision linear motion machining, assembly, etc., innovatively designed a unique precision guiding mechanism and main guide rail feed, auxiliary rail support guide Over-positioning precision guide rail pair, the chip removal mechanism uses high-pressure transformer and variable automatic control system to achieve smooth chip removal, ensuring processing quality and safety. Break through and master the core technology of high-end deep hole processing equipment.
It is understood that ZSZK2500 special deep CNC drilling machine for deep CNC machining is the re-validation of Qinchuan machine tool system integration, complete set of process equipment research and development capabilities and precision manufacturing level. The machine tool has reached the world's advanced technology level, filled the gap in the Chinese market, and solved the problem of restricting the deep hole processing in China's nuclear power nuclear island.
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