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- Keywords sheet hydroforming;die cavity pressure;failure;numerical simulation;aluminum alloy; 板材充液成形;液室压力;失效形式;数值模拟;铝合金;
- die cavity pressure 液室压力
- There is foreign particle in die cavity and the mold protection under low pressure exceeds the reset time. 当模腔内有异物,低压模保超过设定时间时。
- Molten metal is injected into the die cavity where it solidifies quickly. 不饱和脂肪酸可降低人体血液中胆固醇的含量。
- Mold moving out function, convenience to take out and inset accouterment to die cavity. 具备模具移出功能,成品取出及嵌入饰件至模穴简单方便;
- Optimization of injection molding process and zero defect manufacturing of molded parts due to cavity pressure measurements? 模腔压力监测与零缺陷部件的优化注塑工艺?
- The photoelasticity graph is disposed by numerical method.The stress distribution of die cavity is obtained. 通过对光弹图象的处理,获得了直齿精锻圆柱齿轮凹模的内壁应力分布。
- ZTFB photosensitive seal layer edge bonding machine is a special machine, which uses bonding die cavity to electric perm and spin to avoid ink infiltrate. ZTFB型光敏机印章垫封边机是利用封边模腔对光敏垫周边进行电烫，旋压，使印章与章壳周端边熔为一体，阻止印墨向外渗漏的一种专用机器。
- So it adopt cubic spline functio n to structure die cavity outline in this article ,the model points may be surve yed on die cavity surface . 因此,这里采用三次样条函数拟合曲线构造模具型腔廓线,其型值点由已有模具型腔测得。
- It is lightly spread on end face of flat die cavity (without fluid guide hole) to make extruded solid profile separate automatically. 轻涂于平模(没有导流孔)模具型腔端面，使挤压的实心型材自动分离。
- The simulated pressures for both ICM and CIM show good coincidence with those obtained from cavity pressure measurements. 传统射出成型与射出压缩成型在压力的模拟上，与实际量测之压力一致。
- After that , analyze shaping regularity of die cavity outline ,it can make damage point of die cavity surface obtain precise repair. 然后分析构造出模具型腔廓线的成形规律,使型腔表面缺损处可获得精确的修正。
- For the extrusion die cavity with different configuration, the consumption of energe demanded for extrusion is different . 介绍一种力能消耗最少的凹模型腔设计方法,并将其力能消耗与楔形凹模作了比较。
- Changing feature of cavity pressure with injecting pressure and holding up pres-sure,and the effect in crystallinity and rnechanical properties of PP injecting products,were stud-ied. 研究了注射成型中模腔压力随注射压力、保压压力变化的特征，以及这种变化对聚丙烯（PP）制件结晶度和力学性能所产生的影响。
- The results of the nasal cavity pressure will be increased to block one of excretion tears nasolacrimal duct work, "sewer" no, the tears flow can not be the plot, tears in eyes on more and more. 鼻腔压力增高的结果就会一时性地阻挡鼻泪管排泄泪水的工作，“下水道”不通，泪水流不下去，积在眼睛里的泪水就越来越多。
- In this paper, it has used three uniform B spline surface to construct the surface of the blade die cavity, and developed a CAD/CAM system of the blade die. 应用双三次均匀B样条曲面，对汽轮机导叶片锻模型腔表面进行曲面构造，据此开发了导叶片锻模CAD及其型腔表面CAM系统。
- IIn sheet metal, drawing is a process of forming falt sheet metal into hollow shapes by means of a punch that causes the metal to flow into the die cavity. 在金属板范围里，制图就是一个将平金属板设计成空心形状的过程，它通过冲压机使金属流入模腔中。
- The cutters used in high speed machining(HSM) have poor rigidity, therefore the method fits to HSM of die cavity due to the unfluctuating cutting force characteristic. 其切削力平稳的特性更适合于模具型腔的高速数控加工,可以克服高速加工用刀具刚性差的不足。
- Analysis on forging technolgy of transverse arm part has been introduced, upon which technics flow of die forging has been designed, with design of forging die cavity. 通过对轿车左右横臂的结构及锻造工艺分析,制定了其模锻工艺流程,介绍了模锻工艺及其工步型腔设计。
- Using lower switch time, lower compression speed and higher compression stroke will result in lower cavity pressures. 使用较短的切换时间、较低的压缩速度以及较高的压缩行程将产生较低的模安穴压力。
