挤压工艺

• Abstract : the advantage of the gear axis with cold extrusion technology replacing metal cutting working production are narrated , and the technological analysis for the gear axis part is conducted
  文摘:叙述了采用冷挤压工艺代替切削加工生产齿轮轴的优点，并对齿轮轴零件进行了工艺分析。
• Based on the physiological characteristics and the nutritional requirements of marine fish , the feeds are formulated with high quality feedstuffs and additives and processed by advanced extrusion processing technology
  根据饲养动物的生理学特点及生长的需要，采用优质原料，经过科学配方用先进膨化挤压工艺加工而成。
• The aluminium shell of fuel filter and its relevant fittings of our company are shaped by cold extrusion technique which has high strength , light weight , good entirety and simple assembling and other features
  我公司提供的铝质汽油滤清器壳体及配件，是采用冷挤压工艺成形的，具有强度高，重量轻，整体性好，装配简易等特点。
• Cold extrusion technique is a speciality of our company which can process all kinds of colored metals pipe - shaped components and other shaping fittings within l - l 80 for customers combining more than 50 sets of well - working pressures machine from 6 . 3 tons to 500 tons
  冷挤压工艺技术是我公司的专长，结合上小至6 . 3吨，大至500吨齐全完好的50余台各类压力机，可以为客户加工5 - 80以内的各种有色金属管状零件及其它下料成形零配件。
• By x - ray analysis of the obtained samples the degree of the reaction was researched when the time of ball milling changed . at last the regularity of the metallurgical structure of tial alloy was investigated , when the high temperature changed . the following aspects were accomplished after hot hydrostatic extrusion
  热静液挤压工艺:挤压后,坯料致密度有了较大的提高;分析了球磨时间跟挤压力的关系;对ti - al基合金室温断裂方式及断口形貌进行了一定的研究。
• In this paper , some key factors in the process of composite liquid - solid extrusion had been researched through a large amount of experiments and the common rules of composite liquid - solid extrusion had been obtained . the sample data was built and the common fuzzy rule was set up through analyzing the experimental data collected during the experiments . the fuzzy neural network model of composite liquid - solid extrusion had been set up , the sample data had been fitted and the accurate fuzzy rule had been concluded through training the fuzzy neural model with the sample data
  本文通过大量的试验，对液-固挤压成形工艺中的影响因素进行了研究，初步掌握了该成形工艺的一般规律；在分析实验数据的基础上确定了实验样本集，并初步确定了该工艺系统的模糊推理规则；利用模糊神经网络技术对液-固挤压工艺系统进行建模，实现了对样本数据的良好拟合；补偿模糊神经网络在训练过程中能够根据样本动态调整网络参数，提取较为准确的模糊推理规则；通过利用该工艺系统模型进行参数预测，得到了与实验数据吻合较好的预测结果。
• In this paper , the numerical simulation problem of the liquid infiltration extrusion technology that includes high pressure infiltration , heat conduction , solidification and large deformation is solved successfully , which provides theoretic basis for the parameters optimization and the application of the process
  本文成功地运用有限元分析软件解决了集高压浸渗、热传导、凝固和大变形为一体的液态浸渗挤压工艺过程的数值模拟问题，为该工艺的参数优化和实际应用提供了理论依据。
• The physical meaning of the fuzzy neural network parameters and their influence on the model performance are discussed through the research of composite liquid - solid extrusion model , and the reasonable method of evaluating the network parameters is confirmed which can quicken the training speed . some problems and the influence of the evolution operator on the optimization course are discussed , arid the reasonable range of the evolution parameter is concluded
  通过对复合材料液-固挤压成形工艺系统建模的研究，探讨了模糊神经网络参数的物理意义及其对网络学习速度的影响，确定了可加快网络学习速度的参数赋值方法；结合液-固挤压工艺特点探讨了利用遗传算法进行参数优化过程中一些问题的处理方法及遗传操作算子对优化过程的影响，确定了参数选取的合理范围。
• The failure of manufacturing cu alloy valve body by die castin g and hot extrusi on casting were point out . characteristics of squeeze casting technology were exp ounded . application of squeeze casting to cu alloy valve body in gas fired applia nce and influence of specific pressure on properties of product were analyzed
  指出了压力铸造及热挤压工艺生产铜合金阀体的缺点，阐述了挤压铸造工艺的特征，介绍了挤压铸造在燃气器具铜合金阀体上的应用，分析了比压对产品性能的影响。