Properties and types of cold working die steel were summarized, and the disadvantages of traditional cold working die steels and advantages of new cold working die steels were put forward.
综述了冷作模具钢的性能及分类，指出了传统冷作模具钢的局限性和新型冷作模具钢的优势。
The effect of blank quality in cold extrusion on the damage way and service life of working parts (mould and die)is analysed, and some countermeasures presented.
分析了冷挤压毛坯质量对模具的工作部分（上、下凸模和凹模）的损坏形式和寿命的影响，指出了保证毛坯质量应采取的措施。
Three heat transfer mathematical models are given based on working condition of horizontal cold chamber die casting machine.
针对卧式冷室压铸机压室的工作环境，提出三种不同的热传递数学模型。
The causes of crack for cold-working die are analyzed by checking machining technique and observing the microscopic structure, the technical measures to prevent cracks are put forwarded in the paper.
通过对弯曲件冷冲模各加工工艺和金相显微组织的分析，分析了冷冲模产生裂纹的原因，并提出了防止裂纹产生的工艺措施。
The working process and character of the designed cold precision forging die for bevel gear was analyzed.
对该冷精锻模的工作过程、特点等进行了分析。
The working process for cold extruding of valve-spring base has been described, with a new die structure using ejector turning of itself.
介绍了气门弹簧座的冷挤压工艺和新型模具结构。
The failure modes of the combination valve hot forging die in normal working condition are wear, collapse or cold hot fatigue crack.
气门锻模正常失效方式为磨损、压塌和冷热疲劳裂纹。
The failure modes of the combination valve hot forging die in normal working condition are wear, collapse or cold hot fatigue crack.
气门锻模正常失效方式为磨损、压塌和冷热疲劳裂纹。
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