Nut forming dies and high impact resistance forging dies.
螺母成型模具，高抗冲击性锻模。
Two program systems used in the design of roll forging dies were introduced.
本文介绍了用于辊锻模具设计的两个程序系统。
The main failure mode of the finish hot- forging dies for Valves are the hot wear of col- lapse.
气门热精锻模具失效的主要形式是热磨损和压塌。
The problems in cast technologies of hot-forging dies are pointed out and suggestions are presented.
指出了精铸热锻模具制造中存在的成型问题，并提出了建议。
According to the design result, the drawings of hot forging and forging dies can be drawed by plotter.
根据设计结果由绘图机绘制热锻件图和模具图。
After analysis of reducing the heat load's ways and means, the design method for multi-metal hot forging dies is proposed.
分析了降低热负荷的方法和途径，提出多金属热锻模设计方法。
Proper selection of? The die material and of the die manufacturing technique determines, to a large extent, the useful life of forging dies.
能否恰当的选择铸型材料和铸型生产工艺很大程度上取决于锻模的使用寿命。
Being the differences of process method, work condition, forging dies used in general press have different lose-efficacy forms and life span.
一般压力机用锻模，视其工艺方法、工作条件的不同，其失效形式和使用寿命亦各不相同。
The re - liable basis is provided for the optimization of the material for warm forging dies and the re - search into its strengthening techniques.
从而为优选模具材料、探索其强化工艺提供了可靠依据。
CAD system for gear forging dies is developed in this paper, the system structure and the output result are given, and also the technical problems are studied.
开发了一个齿轮锻模计算机辅助设计系统，给出了系统模块结构和输出结果，并对有关技术问题进行了探讨。
This new process is suitable for mending the casting defects, worn surface, spalling and scratching of various forming dies, hot forging dies and plastic moulds.
这种技术适用于修补成型模具、热锻压模具及各种塑料模具的铸造缺陷、磨损、小面积局部剥落、损伤、划沟等。
Trace alloy elements added improve its plasticity, longitudinal, and transverse toughness, and machinability. The satisfying results has been obtained for forging dies.
微合金元素的加入改善了其塑韧性、等向性能和加工性能，在锻模中使用可获得满意的效果。
This paper presents the design method of, the roll contour of roll-forging dies for the parabolic variable section leaf spring, as well as the calculation verification.
介绍了抛物线形变截面板簧辊锻模辊形曲线的设计方法，并通过计算加以验证。
It is found that if the roll passes and the the rolling processes are reasonably chosen and the roll forging dies are designed properly, the stud can be formed on a suitable roll forging mill.
选择适当孔型系和辊锻道次，正确设计辊锻模，可在合适的辊锻机上完成双头螺栓的成形。
Because there are no any formula and chart of designing bearing plates of forging dies, the designs of bearing plates depend only on experience of designers. The rate and quality of design are low.
由于没有关于锻模垫板的计算公式和图表，设计者仅凭经验进行设计，工作效率和设计质量低。
The range of products includes cemented carbide progressive dies, punch dies, cold heading dies, cold forging dies, all kinds of hardware forging dies, and pressing mould for powder metallurgy etc.
广泛用于模具制造领域。如：硬质合金级进模、冲压模冷镦模、冷锻模、各种五金件锻造模具以及各种粉末冶金压制模具等。
Die setters select dies for forging according to work order and specifications; position align and bolt dies to ram and anvil of power presses and hammers.
模具制定者根据工作秩序和规格选择模具进行锻造；将模具对准并拴紧在动力压力机和锤子的撞锤和铁砧。
Combined practice, the technology difficulties of sheet forgings with inner hole were introduced, for which the optimized design of dies for punching and cutting for top-plate forging was put forward.
结合实际，介绍了带内孔的薄板锻件的工艺难点，并就此工艺难点的解决介绍了锻件切边、冲孔模具的优化设计。
Closed-die forging can produce components of greater complexity and accuracy, with a better surface finish than the more traditional methods not using closed dies.
闭式模锻能生产高度复杂和精确的零件，而且表面光洁度要比不用闭式锻模的更传统方法好。
Position and adjust dies on anvil of forging machinery using overhead cranes or other hoisting devices and hand tools.
使用桥式起重机或其他起重设备及手工具定位和调整砧锻压机械的压模。
The optimized die is subject to less stress during forging process, which can ensure the service life of dies and guarantee the quality of forging part.
优化后的模具在锻造过程中承受较小的应力分布，从而可以确保模具的使用寿命以及锻件的质量不受影响。
The deformation and flow of metal in the process of roll forging are much different from those of ordinary die forging, So are the design of its technology, preliminary forming dies and dressing dies.
辊锻过程中金属变形及流动，与一般模锻工艺相比存在较大的差异，因而其工艺设计及初成形道次模具、整形模具设计也不同于常规模锻工艺。
This paper introduced a CAD system of the technology and dies for hot forging of long forge pieces.
介绍了长轴类锻件热锻工艺及模具的计算机辅助设计系统。
The key technique in a numerical simulation of the metal forming process is the mathematic representation of dies and dynamic forging geometry as well as the generation of meshes.
金属成形数值仿真技术的关键是对模具及动态变化的锻件构形进行数学描述和网格自动生成。
The necessary cooling must be made for dies in medium and high temperature molding forging.
中高温温锻成形，必须对模具进行必要的冷却。
It is used widely in making injection and compression molds for rubber and plastic molding, molds for die-casting metals, and dies for forging and metal stamping.
它被广泛应用于制造用于橡胶和塑料成型的注射压缩模具、压铸轴承合金模型以及锻造和五金冲压的印模。
Forging forming process of large pipe produced on vertical hydraulic press was discussed. Relative tools and dies were designed, and production process was drawn up.
探讨在立式水压机上生产大型管材的锻造成型过程，设计相应的工模具，制订生产工艺。
Forging forming process of large pipe produced on vertical hydraulic press was discussed. Relative tools and dies were designed, and production process was drawn up.
探讨在立式水压机上生产大型管材的锻造成型过程，设计相应的工模具，制订生产工艺。
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