hot extrusion
[机] 热挤压
2026-04-13 10:18 浏览次数 12
[机] 热挤压
Based on discussion of the friction characteristics in hot extrusion and the disabled form of hot ex tru-sion die, the lubricating way has been probed into.
讨论了热挤压加工过程中摩擦的特点,热挤压模具失效形式;在此基础上对热挤压模具的润滑方法进行了探讨。
So, in hot extrusion process, how to reduce wear and improve die life is one of the most concerned problems for mold designer.
因此,在热挤压过程中,如何减少磨损、避免局部磨损过大是设计人员最关心的问题之一。
The hot extrusion resulted in that the distribution of the whiskers was along the hot extrusion direction, and the mechanical properties of the materials were improved.
此外,热挤压变形导致晶须沿挤压方向排列,提高了材料的力学性能。
This paper deals with the numerical simulation analysis of hot extrusion forming process of the Hooke's Joint using three-dimensional elastoplastic finite element method.
采用三维弹塑性有限元法对虎克式万向节热挤压成形过程进行了数值模拟分析。
During conventional hot extrusion processes, temperature and distortion of the billets change unevenly, so the dimension, shape, organization and capability of the profile will be deterioration.
在常规的铝及铝合金热挤压过程中,金属的温度和变形是很不均匀的,这将导致产品的尺寸、形状、组织和性能等质量方面的缺陷。
According to metal plasticity flow theory and design methods, a new hot extrusion process was proposed.
根据金属塑性流动理论和设计方法,提出新的热挤压工艺。
ZHANG Hong-liang. The fundamental research of hot extrusion process for powder metallurgy molybdenum tube[D]. Taiyuan: Taiyuan University of Technology, 2010.
[9]张宏亮。粉末冶金钼管热挤压工艺基础研究[D]。太原:太原理工大学,2010。
Bruce suggested: hot die steel including forging, hot extrusion and die-casting of steel.
布鲁斯建议:热作模具钢包括锻压、热挤压和压铸模具钢。
Glass lubricated hot extrusion process is an excellent method of making seamless tubes of stainless steel, heat-resistant steel and nickel-based alloy.
玻璃润滑热挤压工艺十分适合不锈钢、耐热钢、镍基合金无缝钢管的生产。
In order to completely overcome the friction, the backward hot extrusion is used.
为了克服摩擦,使用了反向热挤压。
Using glass lubricant can solve lots of questions in hot extrusion process for seamless steel tube, so the process can be applied in industrial production.
采用玻璃润滑剂,解决了钢管热挤压生产中的许多难题,使得这种成型方法可以应用于工业生产。
Vacuum carbothermal reduction of N2 -atomized 316l powders and effects of green compact density on hot extrusion and properties of extruded products were investigated.
研究了氮气雾化316L粉的真空碳热还原烧结规律和挤压坯密度对热挤压工艺和挤压材性能的影响。
The feasibility of the joint hot extrusion forming was put forth.
提出了虎克式万向节热挤压成型的可行性。
The inaction ways of the hot extrusion die of the valve stem have been analyzed.
叙述了气门顶桿热挤压模失效形式。
The present paper describes the experimental investigations on the hot extrusion of sponge, electrolytic and HDH titanium powders.
对海绵钛粉、电解钛粉以及氢化脱氢钛粉进行了粉末热挤压的实验研究。
The size of the die and the calculation method of hot extrusion force were presented, and the design of reshaping die, extruding hole die and hot extrusion die was introduced.
给出了坯料尺寸及热挤压力的计算方法,并对整形模、挤孔模、热挤压模的设计做了介绍。
Figure 1 shows the male die of a hot extrusion planar combined die.
图1所示为一热沖压平面结合模具的公模简图。
The results show that under suitable spray forming conditions, the as-deposited alloys have good forming properties and high dense, and can be compacted completely with low hot extrusion rate.
结果表明:当喷射成形工艺参数选择合理时,沉积坯件具有良好的成形性与致密度,在随后的热挤压过程中,通过较低的挤压比即可使材料达到全致密;
The results indicate that high energy ball milling together with low temperature quick hot extrusion is the most effective method for obtaining homogenous distribution of reinforcers.
采用高能球磨法混料和低温快速热挤压工艺相结合,是实现增强体颗粒均匀分布的最有效方法。
The hot extrusion process of magnesium alloy MB2 material with the asymmetric casing forgings has been studied in the paper.
结合非对称锥形壳体零件,研究了镁合金材料MB2的热挤压成形工艺。