The results show that during the forming process there exists the change of deformation mode, which is mainly determined by geometrical parameter of die;
结果表明:成形过程中存在着变形模式的转换,而模具参数是其决定性因素;
The results show that the billet could be quickly heated to forming temperature. During the forming process, the billet cooling rate effectively decreases.
结果表明,该模具结构可以在短时间内将锻件加热到成形温度,并在成形过程中降低锻件的冷却速度。
Understanding the deformation conditions, the value and distribution of the parameters in press parts during the forming process are very important to the design of technology and dies.
了解冲压件在成形过程中的变形状况及其有关状态参数的数值与分布状况对于工艺设计和模具设计是十分重要的。
Simultaneously, the forming process of claw-pole was studied with numerical simulation and FEA method, property parameters and relative field information during the forming process were also obtained.
同时,采用数值模拟和有限元分析的方法获得了成形过程的力能参数和相关的场量信息。
But researchers suspect a mutation in one gene allows some people to skip the process of forming fingerprints during development.
但是研究者猜想有一个基因突变使得有些人在生长过程中跳过指纹的形成过程。
The difficulty of aluminum alloy shell workpiece with empennages was analyzed during plasticity forming, and its forming process and die designing was introduced.
分析了带尾翼铝合金壳体零件在塑性成形过程中的难点,介绍了壳体零件的成形工艺与模具设计的方法。
At present, quick heating or medium protected heating to reduce or prevent oxidation during heating are often used in the process of thermo-plastic forming such as forging.
目前,在锻造等热塑性成形生成过程中常采用快速加热和介质保护加热等方式来减少和防止坯料在加热过程中的氧化。
The paper also analyses the bubble and crystal and dirt-forming during the wastewater treatment and debugging process and puts forward solutions.
针对该污水处理调试运行中常出现的泡沫问题,结晶结垢现象等也进行了研究,提出了相应解决方法。
Objective To investigate whether the neurospheres can merge with other cells and form heter-cell spheres during the process of neurospheres forming.
目的研究神经球在形成过程中是否能结合异种细胞,并与之形成杂合细胞球。
Based on the experiments, the design of its forming die is completed and some remarkable problems during the manufacture process are proposed.
在试验的基础上,设计出了成形模具,并提出了生产过程中值得注意的一些问题。
The total working size of a mould cavity is formed by the combination and accumulation of the sub-working sizes of the forming parts during the assembly process.
根据尺寸链原理,对在不同成型零件装配成模腔的过程中,由不同工作尺寸组合和累积而间接形成的工作尺寸的计算问题进行分析探讨;
To study the deformation behavior of skin parts during the process of stretch-forming, a 1mn numerical control skin stretch forming testing system was developed.
为研究蒙皮零件在拉伸成形过程中的变形行为,自行研制开发了1MN数控蒙皮拉伸成形试验机系统。
During the welding process, when underwater welding power outputs high level, the system stops feeding wires and wires burn upwards with forming molten droplets.
在水下焊接过程中,脉冲电源输出高电平时,停止送丝,电弧稳定燃烧并形成熔滴;
The forming of the spirit of Science is not abstract, it can be obtained during the process of teaching.
科学精神的形成不是抽象的,要在符合科学精神的科学知识传授过程中和科学方法训练中获得和体现。
During forging forming process, temperature affects the pattern of metal deformation considerably, especially in the forming process at high temperature.
锻件成形过程中,非稳态、不均匀的温度场对金属的塑性流动有很大的影响,尤其是高温成形过程。
The temperature field, stress field and strain field of shipbuilding steel plate during laser forming process were calculated.
对船用钢板激光弯曲成形过程的温度场、应力场及应变场进行了数值模拟。
The result showed that the crack forming was due to the billet metal in the subcutaneous blow holes were oxidated during heating process and could not be sticked.
结果表明:轮箍裂纹是由于钢锭中存在严重的皮下气泡,在轮箍热加工过程中皮下气泡处金属被氧化烧穿导致不能粘合而形成裂纹。
Because of historical causes, it necessarily has the gene of the Roman legal culture during the process of the legal culture forming.
由于历史遗传等多方面的原因,这一法律文化在生成过程中深受罗马法影响,必然带有罗马法律文化的基因。
Cracks easily form during the Laser Rapid Forming process of high alloying superalloy, which becomes an limitation for the technique coming into use.
对于高合金化的高温合金,激光快速成形过程中易于出现裂纹等缺陷,成为影响其进入实际应用的主要障碍之一。
This article introduces the current situation, all the methods and realizing technology of the FE simulation during the process of metal plasticity forming in details.
介绍了金属塑性成形有限元分析中的网格生成与重划的现状、方法与实现技术。
The machine has been improved in the aspect of products forming and process technology. It locates accurately during the foam-pieces pressing and reduces the losses caused by size deviation.
该机主要在产品的成型和加工技术方面做了改进,通过对裁片压制过程进行准确的定位加工来减少因尺码偏移所造成的损失。
This shows the diffusion of alloy elements forming carbide must be taken during the process of bainite growing.
这表明在贝氏体长大过程中存在合金元素的扩散。
The microstructural evolution model of the material during hot forming process is introduced into the finite element program to simulate the microstructural evolution during tube reducing process.
本文将金属热变形过程的组织演化模型引入有限元程序,利用有限元计算结果对钢管减径过程中的组织演化过程进行了模拟。
According to fundamental assumptions, the forcing state of bimetallic tube was analyzed during the process of hydro-forming.
根据对双层管分析的基本假设,研究双层管液压胀合过程中的受力状态。
The space charge layer formed during point discharge process is not enough to prevent the leader from marching, and can not prevent the forming of upward leader, either.
人工尖端放电形成的空间电荷层既不足以阻止先导的继续推进,也不能防止产生上行先导。
Study circumstance is the key component forming the curriculum program of study areas and the specification of the curriculum program during the learning process in vocational colleges.
学习情境是组成学习领域课程方案的结构要素,是课程方案在职业学校学习过程中的具体化。
In this paper, over the analysis of forming mode selection and forming process of spline tube, the pressure analysis and calculating method during extr...
本文通过对花键筒的成形方式选择和成形过程分析得出对不规则截面管件挤压变形过程中力的分析和计算方法。
This occurs naturally as a reaction of the changing presence of elements during the gem forming process.
这种现象是在宝石形成的过程中元素改变的一个很自然地反映。
This occurs naturally as a reaction of the changing presence of elements during the gem forming process.
这种现象是在宝石形成的过程中元素改变的一个很自然地反映。
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