| 1. | In the forming operation of stamping a complex shape , draw - wall wrinkling means the occurrence of wrinkles in the die cavity 在冲压复杂形状之间时,拉伸壁起皱就是在模具型腔中形成的起皱。 |
| 2. | In sheet metal , drawing is a process of forming flat sheet metal into hollow shapes by means of a punch that causes the metal to flow into the die cavity 在钣金中,制图的过程,就是将一个平钣金冲压成凹状,通过一个冲孔使金属流入型腔。 |
| 3. | Dimensions for hexagonal and square crimping - die cavities , indentors , gauges , outer conductor crimp sleeves and centre contact crimp barrels for r . f . cables and connectors 射频电缆和连接器用六角和正方形压模腔体压头标准规外导体压接套和中心接触件压接导线筒的尺寸 |
| 4. | But the simulation of the complex die cavity can not achieved because so many boundary conditions are difficult to been determined , which is a new problem in future 但在复杂形状的模拟中,由于很多边界条件的设定矛盾尚未解决而无法实现。这将成为一个新的需要解决的问题。 |
| 5. | Recommended dimensions for hexagonal and square crimping - die cavities , indentors , gauges , outer conductor crimp sleeves and centre contact crimp barrels for r . f . cables and connectors 射频电缆和连接器用六角形和方形压接模槽钳口量规外导体压接套和中心接触压接圆筒的推荐尺寸 |
| 6. | 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。 |
| 7. | The equations for hele - show have been established in this paper to describe feedstock ' s flow in fluid - channel and die cavity . the reasonable solutions for the equations have been given 建立了描述mim喂料在流道和型腔中流动规律的基于hele - show流动的方程组,并提出了合理的方程组求解方法。 |
| 8. | Recommended dimensions for hexagonal and square crimping - die cavities , indentors , gauges , outer conductor crimp sleeves and centre contact crimp barrels for r . f . cables and connectors ; amendment 1 射频电缆和连接器用六角形和方形压接模槽钳口量规外导体压接套和中心接触压接圆筒的推荐尺寸.补充件1 |
| 9. | In this thesis , the basic aspects about forming process and mould for cold precision rotary forging of common bevel gear are studied with method of theory and experiment . the rules and numerical relations of dimensional precision relaying among common bevel gear part , die cavity and tool electrode are established . meanwhile , the design and calculation methods for process parameters , mould , common bevel gear forging and preform and tool electrode are established 本论文对伞齿轮冷摆辗精密成形工艺的若干问题进行了系统的理论和实验研究,深入分析了伞齿轮冷摆辗精密成形工艺的物理力学本质,确定了伞齿轮产品零件?模具?电极之间的几何尺寸精度传递规律和数值关系,建立了冷摆辗精密成形工艺参数和模具、伞齿轮锻件和预制坯、工具电极的设计计算方法。 |
| 10. | According to heat load source of die cavity , temperature distribution gradient equations and heat flux equations and the peak value equations of temperature load at die cavity surface have been obtained with research of temperature distribution and transfer laws of die surface by unsteady heat transfer theory 摘要根据锻模型腔热负荷来源,通过非稳态传热理论,分析研究了模具工作表面层的温度分布与传递规律,给出了型腔表面温度分布梯度和热流密度公式,并给出了锻模型腔表面的温度负荷峰值的计算公式。 |