SD series steam moving brain machine gear Kunshan Zhengda Precision Forging Co., Ltd. is a Sino-Thai joint venture specializing in the development of precision forging technology. It is the first domestic precision forging technology to produce automobile synchronizer ring gear, motorcycle gear, connecting rod and fork. Precision forgings such as rocker arms and automotive air conditioning compressor gears.
The automobile industry is a national pillar industry.
With the rapid increase in the number of automobiles, the demand for automotive air-conditioning compressors is increasing. At present, domestic demand has exceeded 300,000 units. The SD series of automotive air-conditioning compressors is a relatively successful product introduced in China, and the Shanghai Santana sedan is equipped with this compressor. But until 1995, the key component of the compressor, the "straight bevel gear pair", was still an imported assembly. Since 1994, the company has organized the development of SD series gears. The project has been valued by the national and local governments. In 1996, it was listed as a national-level Spark Program. In December 1998, it passed the appraisal of the Jiangsu Science and Technology Commission. The successful development of SD series automotive air-conditioner compressor gears has replaced imported products and filled the domestic gap, making the company an exclusive enterprise capable of mass supply in China.
Precision forging technology is an advanced technology currently used in the world. Compared with the traditional process of machining forging by die forgings, it is large in scale and high in efficiency. It not only guarantees product quality, but also saves a lot of man-hour materials and energy. High-tech technology with great development prospects. In the production of straight bevel gears, many manufacturers have applied precision forging technology at home and abroad, but there is no successful precedent in the production of air compressor compressor gears in China. Since the SD series gears and the general straight bevel gears have different support points on the back of the tooth, the center ball pit in the tooth direction is used as the support point, and the accuracy of the center ball pit and the teeth is guaranteed. Therefore, in the process, There are special requirements and difficulties. In addition, since the working characteristics of the automobile air conditioner compressor are high speed and strong load, high requirements are placed on the accuracy and intrinsic quality of the gear. The company solved the technical difficulties in the development process, and there are many breakthroughs in the process. It is the first in China and has a high technical content.
The SD series of automotive air-conditioning compressor gears have been successfully developed, solving a key component in the localization of automotive air-conditioning compressor production, and creating favorable conditions for mass production. With an annual output of 300,000 sets, it can save 3 million US dollars per year, which reduces costs and has achieved direct economic benefits. For the enterprise, the company plans to produce 700,000 sets per year, and the annual output value is 30 million yuan. Only the annual profit and tax will be 9 million yuan, the profit and tax rate will reach 30%, and the total investment will be 9.6 million yuan less than two years. Take back.
As the entry of cars into the family is an inevitable trend, China's automobile industry is bound to enter a period of rapid development. By 2005, the annual output of domestically produced vehicles will exceed 3 million. The demand for quality of life and quality of work by Jiawen/Wang Jiyu and Shen Achun will continue to increase, and the demand for automotive air-conditioning compressors will certainly increase even more.
The company's main customer, Shanghai Yichu General Machine Co., Ltd. plans to produce 1 million sets of automotive air-conditioning compressors in 2002. In 2008, it will reach 2.08 million units, and the potential of the air-conditioning compressor gear market will be even greater.
The company's products are still in the upstream level in China, and the quality has been recognized by users. The cars of Shanghai Volkswagen, FAW Volkswagen, Jiangling Group and other companies use air-conditioning compressors equipped with our gears, and have been used in export compressor products, and the quality has reached and exceeded the level of similar products imported from Japan. The company's products have broad market prospects and competitiveness.
The successful development of the SD series of automotive air-conditioning compressor gears not only fills the domestic gap, but also lays the foundation for the development of the new generation SE series car air-conditioning compressors. The SE series of automotive air conditioning compressors are fluorine-free “green engineering†environmentally friendly products and have received support and funding from relevant UN organizations. Although the SE series is more technically demanding and has a higher added value in technology compared to the SD series, the SE series gears are developed on the basis of existing process technologies. At present, the company is implementing the development and development of SE series automotive air conditioning compressor gears. The samples have passed the bench test of the main engine factory and will be confirmed and supplied in batches in the near future.
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