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- cold drawn ratio 冷拉率
- Our Products are Cold Drawn Welded Tubes &ERW tubes mainly used in Automobiles &Boilers. 图博主要产品为应用于汽车及锅炉行业的冷拔焊接钢管及电焊钢管。
- 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...
- Production, machining and sale of round and hexagonal drawn steels, of highest quality. Cold drawn... 分类标题:钢材和金属拉伸|黑色金属拉丝厂...
- Steel tubes for precision applications - Technical delivery conditions - Part 4: seamless cold drawn tubes for hydraulic and pneumatic power systems. 精密装置用钢管。交货技术条件。第4部分:液压和气压动力系统用无缝冷拉管。
- The practical experiments showed that fiber spinnability was optimized when spinneret negative draw ratio was -73%. 工业化试验表明:当喷丝头负拉伸率为-73%25时,纤维可纺性达到最佳状态。
- 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。
- Experiment results show that removing the surface broken crystal layer of the cold drawn rod can prevent heat treatment induced cracks. 实验结果表明,热处理前去掉冷拉棒表面的碎晶层可以防止它在热处理过程中产生裂纹。
- The super molecular structure of UHMWPE fibers changes with the increasing draw ratio, which are measured by WAXD, DSC, SAXS and Raman spectroscopy. 用WAXD、DSC、SAXS及拉曼光谱等测试手段,研究了拉伸过程中UHMWPE纤维的超分子结构变化。
- The axial drawing ratio and hoop extension ratio should be properly matched. 轴向拉伸比和环向扩张比要合理匹配。
- 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。
- By adjusting the temperature, draw ratio, D/R and design-finalized parameters, the optimal processing parameters were found. 通过对热箱温度、拉伸比、拉伸倍数及热定型等工艺参数的调整,确定了最佳的生产工艺参数。
- A method to measure the L/D ratio of metal fiber is established when HDPE works as matrix and copper fiber manufactured by cold drawing method as filler. 以HDPE为基材,选用冷拉法铜纤维为填料,建立了长径比的测定方法。
- Effects of draw ratio,modification through blending and surface treatment with chemical reagents on the ad-hesion and tenacity of UHMW-PE fiber were preliminarily investigated. 初步研究了拉伸倍率、共混改性、化学试剂表面处理对超高分子量聚乙烯(UHMW-PE)纤维粘接性和强度的影响。
- Using NaSCN as solvent,acrylic fiber was produced by one-step wet spinning process.The effect of spinneret negative draw ratio on fiber formation was discussed. 采用硫氰酸钠为溶剂,湿纺一步法工艺生产腈纶,探讨了喷丝头负拉伸率对纤维成形的影响。
- When the draw ratio was 7, the friction coefficient and the wear rate along the draw direction was lower than that of undrawn PTFE by about 15% and 40%, respectively. 2. 拉伸比为7的PTFE沿拉伸方向的摩擦系数和磨损分别降低15%25和40%25。
- Products shape: Our "sun shine" brand carbon steel fiber have cold draw steel fiber and cutting steel fiber, with shape of flat, wave, bow, hook and etc. 产品形状:本公司“双兴”牌碳钢纤维主要有冷拔钢纤维和剪切钢纤维,其形状有平直形、波浪形、弓形和端钩形等。
- The main products of the company are the seamless steel pipes, using the advanced heat and cold processing technology, divides two kinds of hot rolling and cold draw. 公司主导产品为无缝钢管,采用先进的热冷工艺技术,分热轧和冷拔两大类。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- The process parameters including heat-plate temperature, heat-plate draw ratio of stretcher, speed of stretcher and crimper pressure of stretcher have important effect on bulky top shrinkage. 拉断机的热牵伸倍数、电热板温度、制条速度和出条卷曲压力也对成品毛条汽蒸收缩率有重要影响。