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- Manufacture and sale of cold drawn wire: round, hexagonal. Drawn wire, shaved, rolled, ground,... 分类标题:冷轧型材钢材和金属拉伸...
- MORPHOLOGY AND ORIGIN OF SURFACE CRACKING OF COLD DRAWN WIRE 冷拔钢丝表面裂纹形态及成因
- cold drawing wire 冷拉丝
- It was studied that cold drawing effect on conduc tivity of aluminium wire with rare earth(RE) used for overhead transmission line. 摘 要 生产架空输电导线中钢芯铝绞线的难点之一是导电率指标不易达到, 随着含稀土铝导线的应用, 为达到这一指标开辟了一条新的、 有效的途径。
- The drawn wire is taken up by double spooler. 齿轮传动,拉丝鼓轮表面炭化钨喷镀。
- The reason of the brittle rupture of 4Cr9Si2 steel wire for valve during cold drawing after medium annealing is carefully analyzed by means of SEM/EDX, phase extraction & X-ray diffraction analysis and Thermo-Calc thermodynamic phase calculation, etc. 用扫描电镜 /能谱分析、X射线萃取相分析和Thermo -Calc热力学相计算等方法 ,分析了 4Cr9Si2阀门钢丝在冷拔过程中发生脆断的原因。
- The results of water cooling of dry drawing reel directly affect the property of cold drawn steel wire and proceeding of drawing. 干式拉丝机卷筒的水冷效果直接影响着冷拉钢丝产品的性能及拉拔过程的持续进行。
- cold drawn wire 冷拔钢丝
- The effect of final cold drawing deformation and ageing temperature on the microstructure, room temperature tensile strength and torsion ductility of GH90 spring alloy wire was investigated. 本文主要研究了最后一道次冷拉变形量和时效温度对GH90合金弹簧丝材显微组织、室温拉伸强度和扭转塑性的影响。
- The results showed that the effect of cold drawing on the conductivity of aluminium wire with RE is slight, and the conductivity increases (IACS)0.69% than that of aluminium wire without RE. 研究了冷拉变形对稀土铝导线和纯铝导线导电率的影响,发现冷加工变形对稀土铝导线的导电率影响甚微,测得的稀土铝导线的导电率比纯铝导线的导电率高(IACS)0.69%25。
- This operation consisted of drawing wire through a die to reduce it to the desired diameter. 这项作业通过拉线模,把钢丝拉成符合要求的直径。
- Non-mandrel drawing is a method widely used in cold drawn pipe production. 无芯棒拔制是冷拔钢管生产中应用最广泛的一种生产方法。
- Residual stress, carbon segregation and acid cleaning after cold drawing played decisive roles in the hydrogen-induced cracking. 螺杆心部具有高的残余应力、较严重的碳偏析及拉拔后的酸洗为螺杆心部出现HIC空洞提供了条件。
- Abstract Texture of cold drawn pearlitic steel wire was investigated by a method combining modified texture measurement method with orientation distribution function (ODF). 摘要 采用精确的线材织构测定方法与取向分布函数(ODF)相结合的方法研究了不同热处理制度下冷拔珠光体钢丝中织构演变的变化规律。
- Based on the elastic-plastic FEA theory of three-dimension large distortion,this paper simulates the process of the cold drawing rifled tubes by MSC. 本文基于三维弹塑性大变形有限元分析理论,通过对内螺旋凸筋管冷拔成形过程进行有限元仿真,建立增量步与拉拔力的关系,提出了拉拔力的计算方法。
- Effects of cold drawing and water quench process on mechanical properties of prestressed wires have been studied in laboratory. 在实验室条件下研究了冷拔与水淬火工艺对予应力钢丝力学性能的影响。
- Cold drawing of the as-spun polyblend fibers is necessary in order to improve the molecular orientation of polypropylene within it. 通过对初生纤维进行牵伸可以提高共混纤维中聚丙烯的取向度。
- 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。
- Using viscoplastic model and considering softening effect, the mechancal analysis for cold drawing of polymers is performed as well. 对螺旋叶片进行了分析 ,把螺旋叶片焊接组合起来 ,旋加外力 ,冷拉成型。
- Cold Drawing Annealed Ground Steel Wire 冷拉退火磨光钢丝