Refrigerated Truck Stampings Manufacturing Process And Equipment Selection Study

Refrigerator car is one type of all special railway cars. Improving the manufacture quality of refrigerator car and producing high performance refrigerators is a basic purpose to ensure the quality and value of the cargoes. At present ,the parts of refrigerator car body are mainly made of thin and medium steel plates, particular, the quantity of laminose parts being very more and the quality of them requires better. At last ,the parts processing dependes on traditional manual operation and ordinary press forming equipment, the mistake of part dimension is big and the remediation's workload of the next working procedure is heavy, The press forming level of the refrigerator parts is lower compared with the international, and it is difficult to meet the requires of the air-tightness and thermal insulating properties of the refrigerator, so introducing advanced press forming equipment and adopting properly press forming technology to improve the refrigerator parts manufacturing quality and to ensure the refrigerator performance are very necessary.The paper enters on how to improve the press forming technology level of the refrigerator parts manufacturing, analyses the present press forming technology actuality and the main problems, and confirms the new press forming technology through detailed investigation and study of the other domestic works and foreign equipment of products manufacturing level. The paper had analyzed and expatiated in detail on what characteristics of the pressing forming equipments should be have in order to ensure the performances of the refrigerator and the precision of the car body parts, at last, it had compared the quality of the parts which had made by new technology and equipment and olds.Finally, we can draw the conclusions: to produce refrigerator car parts with new computer numerical control turret punching press, numerical control precision guillotine shears and numerical control bending machine etc. had obtained the results of improving the manufacture technology quality ,and had solved the weak neck of the present technology problems, reduced the refrigerator car manufacturing cost, improved the refrigerator car performance and quality, so the new scheme is correct and suitable for the refrigerator parts production. At the same time, the new advanced press forming equipments with the higher precision and flexible manufacturing characteristics are more easier to adapt to the change of the small sublets products of the market, and it will provide reliable press forming technology methods and high quality parts, all of this will provide good foundations for the development of the factory.