挤压

Through theoretical analysis and according to experimental re- suits,this paper proves the technology of extrusion grinding and polishing and then ultrosonic cleaning of aluminium profile extrusion dies after electro discharge ma- chining to be an ideal precision grinding technology.

本文通过理论分析和实验结果，证明了对经电加工后铝型材挤压模具工作带进行挤压珩磨抛光和超声波清洗是理想的精密研磨技术，有效地去除了变质层和残余应力，表面粗糙度小于 Ra=0.4μm，满足了该模具 PCVD TiN 的工艺要求。

It is also found that, sometimes the pressure distribution curvatures of the squeeze films will characterize strange shapes, especially in the line contacts.

本文研究了挤压速度对一般非稳态热弹流油膜的作用，得到了兼有稳态和纯挤压特征的压力分布和油膜形状。

An extrusion process and property prediction models for aluminum alloy extrusions were developed to increase metal yield and save energy.

用于铝合金挤压的挤压方法和性质预告模型的发展增加了金属成品率并节约了能量。

The foliations of mylonites in the two zones deeplydip to the north with nearly horizontal stretch lineation, dextral shear sense, and compressionaldeformation in the YZ face.

两者均以糜棱面理往北陡倾、近水平的拉伸线理、右行剪切应变及在YZ面上的挤压为基本特征，为韧性&右行挤压转换型&剪切带。

During the aluminum alloy forming process, die cavity surface design is very important.

对于铝合金挤压成形而言，凹模型腔轮廓设计是挤压工艺设计中一个重要方面。

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Because all these dimensions come from squeeze-casting dies concerned handbooks which are widely accepted in the design and manufacture .

尺寸数据都来自于挤压铸造相关模具设计与制造手册，因此，本系统也是一个数字化的挤压铸造模具设计手册。

Adding a small quantity of three functional group of polyvalent can improve the water resistance and decoration of copolymer emulsion after film forming. The structure form of interpenetrating networks has a greater destroy degree to the micro crystal of polyurethane film forming substance than the effect of the prepolymer capping graft copolymer.IV, This article studies on the heat stability of acrylate modified polyurethane dispersion, researches the changes of the structure of acrylate modified polyurethane dispersion afterheating, and analyses by the heat analysis, infrared ray and heat analysis, and mass spectrometery.

利用拉曼光谱和扫描电镜、红外光谱等测试技术，分析了丙烯酸酷及丙烯酸酷一有机硅等改性聚氨酷水分散体的成膜过程—利用预聚体封端技术合成的丙烯酸酷改性聚醚聚氨酷的成膜过程包括乳液颗粒的挤压成膜与分子硬段的微区结晶，有机硅氧烷的引入将同时出现硅氧烷的水解缩合；具有互穿网络结构的丙烯酸酷改性聚氨酷水分散体因丙烯酸酷的互穿而限制了聚氨酷硬段在成膜过程中的结晶，聚合物成膜以挤压成膜为主，有机硅的复合改性同样出现硅氧烷水解缩合现象。8。

Extruding without lubrication ,we can eliminate some of the inwalled defect of extruding pipe effectively.

采用无润滑方式挤压铝合金管，可有效消除挤压管内表面常见的各种擦伤缺陷，得到内表面质量优良的管材。

When the current passes through this mixture, it jostles the electrons there just as electrons above the poles are jostled by solar particles.

当电流通过这个混合气体，它挤压电子就像电极上的电子被太阳粒子挤压一样。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。