“The project plans a total investment of 18 million yuan, including fixed assets investment of 13 million yuan. Through the introduction of vertical processing centers, CNC forming mills, CNC lathes and other advanced production equipment to form an annual output of 300,000 pieces of automobile engine fuel common rail pump camshaft production After the inspection, the project has actually completed 12 million yuan of equipment investment, basically completed the expected plan, the special subsidy has also been put in place, and dedicated to the special funds." Recently, the Ningbo technical reform project expert review team on Ningbo Huabiao Machinery Manufacturing The company's national industrial small and medium-sized enterprise technology transformation project "300,000 pieces of automobile engine fuel common rail pump camshaft equipment technical transformation project" on-site review, and issued a review and acceptance advice.
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Huabiao Machinery Co., Ltd. is an enterprise specializing in the production of light-duty gasoline-diesel engines and multi-piece assembled crankshafts and auto parts and has the right to import and export. All products are exported to European and American markets. It is the production and processing of multi-piece assembled crankshafts for foreign businessmen in China. base.
The engine fuel high pressure common rail pump camshaft is a key component of the high pressure common rail system, and its processing accuracy can be achieved, directly affecting the exhaust emissions of the engine. According to the relevant person in charge of the enterprise, the exhaust gas output of the camshaft fuel high pressure common rail pump can reach the key components of the Euro 6 standard. The camshaft produced by the company is a well-known fuel system R&D and manufacturer of the world-- . The main products of the company, the diesel engine fuel injection system and emission control system are all in the world's leading level. The customers are mainly GM, Ford, Volkswagen and other vehicle manufacturers, and Cummins is the only diesel oil pump and emission control system in the world. supplier.
“The technical transformation project of 300,000 pieces of automobile engine fuel common rail pump camshaft equipment†was completed in September 2014, and was put into trial operation in October of that year. After the assessment, the production capacity of the production line after the technical transformation reached the annual production capacity of 300,000 pieces of automobile engine fuel common rail pump camshaft production capacity, and was officially put into operation after passing the environmental protection acceptance test in January 2015.
“The design of the project is resistant to wear, rubber, pitting, compact structure, high concentration of function, light weight, and can withstand higher contact pressure. It is a trend of lightweight and low-cost development of automobile manufacturing.†The main function of the camshaft is to ensure sufficient intake and exhaust of the cylinder, and to complete the opening and closing of the valve in a short time as much as possible. In order to meet the requirements of the project, the company has established the engineering technology center and combined with the product requirements to consult relevant experts and machine tool factory engineers to successfully solve the two technical problems of super-fine grinding and outer-circle ultra-fine polishing of oil seal surface, and obtained the country in the process of implementation. 6 patents were granted (including 2 inventions and 4 utility model patents), which opened the meridian for the smooth operation of the project.
“The quality of the surface of the oil seal determines whether there will be defects such as leakage. The super-fine grinding of the surface requires all the parameters to be satisfied at the same time. The grinding should not be too light or too rough, which is very good for grinding. Difficult." The person in charge told the reporter that after many tests they found that the surface roughness can only be controlled between Ra0.3-0.4, and the choice of the grinding wheel size/hardness, the cutting fluid multi-stage Filtering, the number of finishing of the diamond pen, adjusting the dynamic and static balance of the machine tool, strictly controlling the various series of conditions, and finally overcoming the difficulties and successfully mass production.
The technical parameters of the outer-circle ultra-fine polishing can only be detected by the German Marrometer. The company consulted many domestic super-precision equipment manufacturers for whether they can meet the relevant requirements. “Double top-level polishing meets the above requirements, no manufacturer agrees to sign a technical agreement, and foreign imported equipment is expensive.†The person in charge introduced that the company established an expert R&D team through project approval, and attracted the introduction of advanced technology/autonomous patents at home and abroad. The ultra-fine grinding machine was developed and tested to meet the requirements of the drawings.
"After the establishment of this project, the company's new sales revenue will be more than 40 million yuan, new profits will be 5 million yuan, and new taxes will be 4 million yuan." The person in charge said that the implementation of the project will further deepen the company and the US company The business cooperation will further broaden the international business market. At the same time, it will make full use of the advantages of technology and equipment after project implementation, develop and develop the domestic market, and provide cost-effective fuel common rail pump and other shaft-related products for domestic steam and diesel engine manufacturers. . "The degree of production automation has been improved, the number of laborers has been reduced from 320 to 280, and the transformation from labor-intensive to knowledge- and technology-intensive has been gradually realized, and at the same time, new contributions have been made to the rapid development of China's machinery manufacturing industry. ."