挤压速度 meaning in Chinese
extrusion speed
Examples
- The control of extrusion velocity in the process is not only involved in the process equipment , but also related to the process itself
复合材料液-固挤压工艺过程中挤压速度的控制问题,不仅涉及到成形设备,而且与工艺本身的特点密切相关。 - Thus , the problem of the control of extrusion velocity during the process has been basically solved , which establishes a base for the application of the process
上述工作的完成,初步解决了挤压速度的自动控制问题,为复合材料液-固挤压成形工艺的实际应用奠定了基础。 - The relations , such as the tensile strength of extrusion products to extrusion ratio and contents of powder strengthen materials , the practical load of powder extrusion to contents of powder strengthen materials , extrusion ratio and extrusion velocity , were given by this dissertation
论文给出了实验过程中挤压制品的抗拉强度与挤压比、颗粒增强材料含量之间的关系,粉末挤压所需的实际挤压力与颗粒增强材料含量、挤压比、挤压速度之间的关系等。 - During the temperature fields , the results indicate that the processing parameters such as the extrusion velocity , casting temperature , perform preheating temperature , die preheating temperature and so on are important for the temperature fields besides the dwell time . they are must be in concordance each other to the deforming zone is in the quasi - solid state , and the stable semi - solid extrusion is implemented . during the deforming fields , the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process , and the variations of the stress - strain fields are studied
在温度场的模拟中,模拟结果表明,保压时间是影响制件成形质量的关键因素之一,挤压速度、液态金属浇注温度、预制体预热温度和模具预热温度等工艺参数对温度场的影响也很大,需进行参数之间的协调,只有当变形区内部始终维持准固态时,才能实现稳定的液-固挤压成形过程;在变形场的模拟中,根据液态浸渗挤压的成形特征,选用了双曲正弦刚-粘塑性有限元计算模型,研究了变形过程中应力应变场的变化规律,研究了模角对变形和金属流动的影响及变形力的变化过程和其影响因素。 - Liquid - solid extrusion of composite material is a new kind of metal forming process , which has been developed in recent years with a promising practical application prospect for its simple working procedure , low cost and good workpiece performance . through a lot of experiments , the optimization and chosing method of key process parameters ( pouring temperature , mold warm - up temperature , impregnating pressure , impregnating time ) has been mastered . under the precondition of appropriate chosing these parameters , the effective control of extrusion velocity is the key of mading good workpiece . but the control of extrusion velocity remains a handwork , and it is heavily affected by such uncertainties as a handler ' s knowledge and skill about the process . in order to solve the problem , the automatic control of the extrusion velocity is studied , and a computer control system is also designed under existing condition
通过大量实验,已掌握了关键工艺参数(熔液浇注温度、挤压模预热温度、浸渍时间、浸渍力)的优化选取方法。在合理选取关键工艺参数的前提下,挤压速度的控制是成形出质量良好制件的关键。但是,目前对于挤压速度的控制仍停留在手动控制阶段,利用该工艺制备管、棒材制件的成功与否受操作者对该工艺及其设备的经验及熟练程度等不确定因素影响很大。