模锻

In order to investigate the coupling problem, forging die is as research object in the thesis.

本文将以锻模为研究对象，对此耦合问题进行基础研究。

With the designed apparatus,the boundary condition of temperature,in the forging die is studied by means of experiment.

以锻模为例，采用自行设计的装置对温度边值问题进行了实验研究。

Forging die is important basic technics equipment in manufacturing.

锻模是制造业中重要的基础工艺装备。

In the past 10 years has produced a period of forging die, die thousands of sets of various molds, is rich in design, manufacturing experience.

在近十年的时间里先后生产锻模、冲模各种模具数千套，具有丰富的设计、制造经验。

This produces a fully dense component with the shape of the forging die and appropriate mechanical properties.

这能生 产具有锻模形状和合适机械性能的充分致密零件。

The change of temperature field of hot forging die is continuous, and there is a great difference between the temperature field of first working loop and thermal balance.

热锻模工作时温度场是连续变化的，其第一次工作循环与达到热平衡状态时的温度场之间存在巨大差异。

The factors of influencing the thermal load and thermal stress at the peril point of hot forging die were analyzed.

分析了影响热锻模热负荷与危险点处热应力的因素。

Gear regular hammer forging die design Abstract In addition to standard parts and bearings, the gear is the largest of the parts industry.

常啮合齿轮的锤锻模设计摘要除标准件和轴承外，齿轮是我国最大的零部件行业。

The influence of strength level and surface strengthening of 5CrNiMo steel on the impact fatigue property in the range of hardness required by hot drop-forging die steel is investigated.

研究了5CrNiMo钢在热锻模要求的硬度范围内，材料强度水平和表面强化对冲击疲劳性能的影响。

The rationality is discussed that fatigue life and fatigue crack growth rate determined in impact fatigue testing are used as a measure of fatigue cracking resistance of hot drop-forging die steel.

本文探讨了用冲击疫劳试验测定的疲劳寿命和疲劳裂纹扩展速率衡量热锤锻模材料疲劳抗力的合理性。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。