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制动鼓是汽车的易损件,其生产专业性强. 工艺与材料比较成熟、稳定。但是对小型、尤其是乡镇企业,由于设备与技术条件等原因,企业经济效益与产品质量尚有不尽人意之处。本文根据小型企业生产特点,结合作者生产实践,浅谈这方面的几个主要问题。 a.造型方法的改进以解放牌汽车CA—10B制动鼓为例,其下箱的造型方法见图所示。底板和框为木质或者铸铁,托板应为铸铝,板厚10～12mm,工作表面应修整。模样也为铝质。先将下箱铸型制好后,借助托板、砂箱手
Brake drum is a consumable parts of the car, its production of professionalism. Technology and materials more mature and stable. However, for small, especially township and village enterprises, due to equipment and technical conditions and other reasons, the economic efficiency of enterprises and product quality is still unsatisfactory. This article based on the characteristics of small-scale production, combined with the author’s production practice, to discuss some of the major issues in this regard. a. modeling method to improve the liberation of the car CA-10B brake drum, for example, the modeling method of the lower box shown in the figure. The floor and frame are made of wood or cast iron. The pallet should be cast aluminum with a thickness of 10-12mm. The working surface should be trimmed. The appearance is also aluminum. After the first box mold system, with the pallet, sand box hand