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①关于少无切削新工艺应用情况的调查——(南京市机械研究所),《南京机械》74.№3.P.1～14。内容包括四方面。一、特种铸造:1.熔模铸造、2.陶瓷型铸造、3.金属型铸造、4.压力铸造。二、精密锻造:1.齿轮精锻、2.粉末精锻、3.轴类精锻、4.模具和加热炉的使用。三、冷挤压工艺。四、其它:1.花键轴冷打工艺、2.精密热轧齿轮工艺。②少无切削锻压新工艺调查——(旅大市机械局第三情报网调查组),《南京机
① less cutting new technology application survey - (Nanjing Institute of Machinery), “Nanjing Machinery” 74. № 3.P.1 ~ 14. The content includes four aspects. First, the special casting: 1. Investment Casting, 2. Ceramic casting, 3. Metal casting, 4. Pressure casting. Second, precision forging: 1. Gear forging, 2. Powder forging, 3. Shaft forging, 4. Molds and furnace use. Third, cold extrusion process. Fourth, the other: 1. Spline shaft cold fight technology, 2. Precision hot-rolled gear technology. ② less no cutting forging new technology survey - (Luda Machinery Bureau Third Intelligence Network Investigation Team), "Nanjing Machine