A few days ago, the quality department of China Zhongqi Bridge Box Co., Ltd. together with the experts of the German company Man Company reviewed the man car axle assembled by the company. After dismantling and reviewing, all testing contents have reached the requirements of product technology and quality, and they have been praised by German Mann experts.

In order to ensure the quality of new product development, China Heavy Duty Bridge Box Co., Ltd., focusing on the great project goals of “Second Venture”, conscientiously implemented the TS16949 international standard quality system and conducted a comprehensive APQP plan for MAN products. A project planning group was established with the deputy general manager in charge of technology and quality as the main person in charge. According to the product category and manufacturing form, 10 horizontal joint teams such as gear products and drive axle assembly were established.

According to the drawings and standards of MAN products, with reference to the technical data provided by MAN, combined with the company's equipment and actual production conditions, including the production line planning, product special features, failure mode analysis, control plan, measurement system analysis, quality function development, To identify, digest, and absorb safety laws and regulations, identify areas such as process equipment, inspection methods, station equipment, work instructions, etc., and improve it continuously.

49 “quality gates” were established to meet the special requirements of the products; 16 “beacon lines” were established with the MAN production line as the benchmark, and in accordance with the requirements of the “five specialties”, special personnel, organization lines, and special tooling equipment were provided. The establishment of specific standards has not only achieved the flow of the production line, but also ensured the quality of the product.

At the same time, China National Heavy Duty Truck and Bridge Box Co., Ltd. has continuously improved inspection plans, inspection standards, and evaluation criteria for inspectors. It also employs senior staff with high professional standards and strong sense of responsibility to take charge of product quality checks, and strengthens the quality control of product manufacturing processes; Testing means to give full play to the role of the company's testing center and strictly control the product's entry into the factory; strengthen the AUDIT review management of the three-level assembly, and feedback information to the production line, implement timely rectification and training; carry out the process and implement the weekly audit work, improve Process implementation rate.

During the review process, experts of Man Company appraised the quality of the appraisers and assembly personnel of the quality department and the operation method of the rubber coating process on the surface of the hub, and inquired in detail the method and characteristics of the use of non-woven fabrics for driving the bridge assembly cleaning, and decided Bring the sample back to the company's trial promotion.

According to reports, China National Heavy Duty Truck Mannequin made the main reducer bevel gear selection Olicon tooth system, wheel bearing selection SKF bearing unit, enhanced stamping welded axle housing, and increase the oil filter. It indicates that China National Heavy Duty Truck has successfully gone through the introduction, digestion, absorption, re-innovation, and ultimately the road to localization of the Manchester Axle.

This is an important milestone. The domestically-manufactured MAN-bridge known for its excellent mechanical performance marks a new leap in the development level and development capability of China's CNHTC Bridge, and has become a new bright spot for domestic heavy truck technology upgrading.

In order to speed up the adjustment of product structure, China National Heavy Duty Trucks put forward the need to adhere to market-oriented product development and technological progress as the driving force to ensure that Manqiao is put on the market is the international level requirements. Today, China Heavy-Air Bridge Box Co., Ltd. has opened a new front line for the mass production of the Mann axle.

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