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- mandrels for pipe bending 弯管用的心杆
- mandrel for pipe bending 弯管用的心杆
- The valves can used for pipe nozzle and have reliable performance. 阀门可用于管端作放空阀用,性能可靠。
- DWTT separation fracture has been analyzed for pipe line steel. 摘要文章对管线钢DWTT试样上出现的分离断口进行了分析。
- Designed for pipe work, tube work,, and parts with extra-large center holes. 该设计适用于管子、筒类及特大中心孔。
- The needed pipe bending moment、wall thickness reduction and ovality of section are known by simulating. 通过模拟,计算管子弯曲变形所需的弯矩,计算管子弯曲部分外壁减薄率和椭圆度。
- Bamboo can be used for pipes to carry water. 竹子可作水管用。
- Lacking internal support in the pipe, this pipe bending process creates some cross section ovality. 在管道内支持不足,这根管子弯过程中创造一些截面椭圆。
- The model is an actual working tool for piping. 模型是配管用的实际工具。
- Provides more rigidity than pipe, eliminating concerns of pipe bending loads of flanged valves - Safety against thermal or seismic catastrophes. 比管道更加坚固耐用,消除管道施加在法兰阀门上的弯曲负载的担忧-在高温或地震灾害下更加安全。
- The paper involves the new process employing pull mandrel for pipe-elongating with the twohigh rotary elongator. 介绍了在二辊斜轧延伸中采用拉力芯棒轧制的新工艺。
- The new pipe bender can satisfy the request of manufacturing various bus frame, and improve efficiency of pipe bending obviously. 试验表明,新型数控弯管机能够满足多种车骨架加工的技术要求,大大提高弯管效率。
- List and describe inspection techniques for piping systems. 列出并描述管道系统的检测技术。
- The results show that it is successful to adopt the technolngy of cold drawing with core mandrel for processing the propeller shaft tube s... 试验结果表明,采用短芯棒冷拔工艺加工传动轴管,在技术上是成功的。
- Based on the corrosion depth and pipe working life, the func tional relationship between the pipe bend wear speed and conveying speed is proposed. 依据侵蚀深度和弯管工作寿命结果,推出了弯管磨损速度与输送速度之间函数关系。
- The flexural deformation equation is formulated for pipe string under vertical and horizontal bending condition based on vertical and horizontal bending beam theory. 运用纵横弯曲梁的理论,建立了管柱在纵横弯曲条件下的挠曲变形方程;
- WARING: Solvent cements and primers for pipe, fittings and valves are flammable. 警告:用于管道、管件和阀门的液状粘固剂和底漆是可燃物。
- Real Programmers dont write in FORTRAN. FORTRAN is for pipe stress freaks and crystallography weenies. 真正的程序员不用fortran写程序。fortran是让科学怪人用的。
- Hydraulic pipe bender is the important equipment for piping construction. 液压弯管机是管道施工的重要装备。