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- stretch bending die 拉形模
- Give an introduction about a simple general-purpose bending die. 介绍了一种简易通用弯曲模设计。
- The double groove steel is suspended under the two nodes of bottom chord of steel roof truss to prevent the bottom chord from stretch bending. 文章论述了在设计中采用钢屋架下弦两节点下悬吊双槽钢作为分布梁避免钢屋架下弦拉弯工作。
- Write and edit the simple program of CNC milling machine and stretch bending machine. 编写和修订简易的CNC数控铣床和拉伸折弯机（与普通CNC语言相同）程序。
- The key to numerical simulation of stretch bending of extrusions is determination of loading path of the clamped ends of extrusion. 型材拉弯成形有限元模拟关键在于型材夹持端运动轨迹的合理描述。
- The second body can therefore easily fly， spin， roll， twist， stretch， bend， bounce. 第二身体因此能够轻易地飞行、旋转、滚动、扭曲、伸展、弯曲、弹跳。
- In this paper, a research was conducted on the on-line identification of material properties in stretch bending process and the prediction of the springback. 本文由此入手,对拉弯成形中材料性能参数的在线识别及拉弯成形回弹预测进行了研究。
- The die of NC tube bending is composed of bending die,clamp die,wiper die,pressure die and mandril. 导管数控弯曲模具包括弯曲模、夹模、压模、防皱模和芯棒。
- The structure, operating principle and main design points of the hopper-type automatic-feeding bending die used on a general stamping mahine are stated. 介绍了在通用冲床上使用的漏斗式自动送料弯曲模的结构形式、工作过程和设计要点。
- The paper analyzes processing technology of ploughshare of agricultural machinery plouogh, explains factors of spring back, and designs a set of hot bending die. 对农机犁上的铧零件进行了加工工艺方案分析,阐明了回弹因素,并设计了一副热弯曲模具。
- To analyse stretch bending of narrow strip by numerical calculation, taking the loading history into account, the deformed zone was divided into many elements to determine their strain by the condition that constant volume remains in deformation. 摘要在考虑加载历史的情况下，为采用数值方法研究窄板拉弯成形，将变形区划分成若干个单元，按塑性变形体积不变条件，确定单元应变。
- The establishment and development of theory on the elastic plastic stretch bend straightening were introduced,and the calculation for the residual elongation of straightened strip was presented. 介绍弹塑性拉伸弯曲矫直理论的建立和发展,以及拉弯矫直后带材残余延伸率的计算。
- Abstract: The article describes the structure, work principle, design method of the tool parts and the calculation of the bending force of bending die with double roller for load bearing support. 文摘:介绍了承力隔架用“双转辊弯曲模具”的结构、工作原理、主要工作零件设计及其弯曲力的计算方法。
- The thesis introduces the key technology for development of bending die CAD system, including API of SolidWorks, the way of customization development, database and reusable component technology. 本文首先介绍了三维CAD及其相关技术，包括SolidWorks的应用编程接口，SolidWorks二次开发方法，数据库技术，ActiveX技术和构件技术。
- Through designing the bending die for the Sanxia motor copper tube, discussed on the defects that prossibly appeared in the small radius bending tube, and proposed the preventive measure. 结合三峡电机铜管弯曲模具结构设计,对小半径铜管弯曲过程中可能出现的缺陷进行了探讨,提出了预防措施。
- Aimed at the difficulties in the bending forming of punching parts, the bending die with dual-punch is designed, the complex shape of this part is once formed by the ordinal action of dual-punch. 通过对电器支架零件的冲压工艺分析,制定出了一种合理的冲压工艺方案,着重介绍了弯曲成形模及挤合成形模具结构,并对模具的设计要点进行了介绍。
- Graduation is this cold stamping die design issues for the next Cover incision bending dies Die processes by bevelled punching and bending components. 此次毕业设计属于冷冲压模具，设计课题为下端盖切口弯曲模具，模具工序由斜刃冲裁和弯曲组成。
- The pressing process of mobile phone antenna bending die and progressive die structre are introduced, the press material, the snapping back and the cam curving are simply analyzed. 介绍了手机天线冲压弯曲模的工艺及级进模结构,并对压料与回弹、凸轮弯曲作了简单的分析。
- The place used to be a stretch of barren land. 早先这里是一片不毛之地。
- The symmetric wire bent elements of small-production and low-accuracy used the simplerevolving bending die to improve economical efficiency. 小批量、低精度和大尺寸的对称式线材弯曲件，采用简易绕弯模弯曲能提高经济效益。
