The material selection, working out the process and repairing method in reform of the precision forging machine to substitute with China-making spares are analyzed and improving plan proposed.
对精锻机关键备件的国产化从材质的选择、工艺的制订及修理进行了分析，并提出了改进方案。
The technology of precision roll forging by closed die groove of machine driven plough share are researched systematically.
系统研究了机引犁铧闭式型槽精密辊锻技术。
The enhancement of precision has been achieved in parts of forging or in parts of forging before lathing by developing the plastic machine of the ferrule. As a...
通过研制整径机实现对锻件先整径后车精度的提高，从而降低工件的留量，提高材料利用率。
A new precision forming technology was presented, which uses an ordinary forging machine and a high precision rotary forging machine to make the closed-tolerance semi-axle bevel gear forgings.
论述了精锻汽车差速器半轴齿轮原模具结构存在的问题，改进了锻造工艺和锻件设计，设计了新型粗锻模和精压模。
A new precision forming technology was presented, which uses an ordinary forging machine and a high precision rotary forging machine to make the closed-tolerance semi-axle bevel gear forgings.
论述了精锻汽车差速器半轴齿轮原模具结构存在的问题，改进了锻造工艺和锻件设计，设计了新型粗锻模和精压模。
应用推荐