The seven new products of China National Heavy Duty Truck Group passed the evaluation and acceptance of six universities and colleges commissioned by the Shandong Provincial Economic Information and Trade Commission. Experts agreed that the seven new products are of reasonable design and novel technology, and have reached the leading level of domestic technology for similar products.

Seven experts from 6 universities and colleges including Jinan University, Shandong Jiaotong University, and Qingdao University have newly developed ZZ2257W4357C airport fire-fighting off-road vehicle chassis, ZZ1167M4611W truck and chassis, ZZ2307S4677A/S0W off-road vehicle and chassis, and ZZ5371VDMB31101R. A total of 7 new products including low-speed tractors, ZZ1257M4347C1 trucks and chassis, ZZ5607VDNB36400 mining dump trucks and chassis, ZZ5607VDNB38401 mining dump trucks and chassis were carefully listened to, relevant information was reviewed, and on-site inspections were conducted. The car conducted an inspection and put forward opinions and suggestions. Liu Xixun, deputy general manager of the special vehicle company, Liu Dongxun, head of the technical department, and some technicians responded one by one. Finally, they agreed to pass the inspection and acceptance.

The successful identification and acceptance of these seven projects provided the basis for the “additions and deductions” work of the financial department of the special vehicle company and the collection of high-tech product costs.
View related topics: China National Heavy Duty Truck Breaks Monthly Sales Record for National Heavy Truck Industry


Injection Charger Base Accessories

Iphone charger baseIphone charger plastic base

The design theme of the accessories for the injection charger base is the product design and mold design of the universal charger base, which is designed for the production of injection mold. Plastic parts
The preliminary analysis of the structure shows that the sprue and the sequence type, the structure and the adoption of a two-cavity mold are due to the large area of plastic parts. Due to the structural characteristics of plastic parts, it needs to use inclined sliding traction mechanism. The specific design process is as follows: first, the performance analysis of the plastic injection molding process. This includes analysis of the structural dimensions of the material properties of the plastic parts and molded plastic parts. Second, it is the choice of how to inject a reasonable machine. Choosing the right injection molding machine is the foundation of this design. Again, this is in the form of the mold structure preparation. The form structure of the mold must be calculated and a reasonable choice is based on the dimensions of the structure. The fourth step is to design the pouring system.
The fifth step is such a design in the design and mold parts of the calculation focus. The sixth step is to draw the sliding cover design of the oblique profile and the calculation of the core mechanism.

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