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- Cold- rolled Ribbed Tube 冷轧肋片管
- The main products are: Mu Tanji series of products, cold rolled ribbed concrete equipment. 主要产品有:木炭机系列产品,冷轧带肋混凝土设备。
- It is a key factor of choosing master material for cold rolled ribbed bars which affect the final product properties. 冷轧带肋钢筋母材的选用是影响冷轧带肋钢筋性能的关键因素,介绍了冷轧带肋钢筋专用母材的技术开发。
- The cold steel machine for wire drawing-up of the bale, with the cold wire drawing machines, cold rolled ribbed machine, spiral machine supporting the use of cold-drawing. 简要说明:本机适用于钢筋冷拔丝的收线打捆,可与冷拔丝机,冷轧带肋机,冷拔螺旋机配套使用。
- The usage, production processing and characteristics of cold rolled ribbed bar and welded reinforced bar fabric are introduced, and the production problems are pointed out. 介绍了冷轧带肋钢筋和焊接钢筋网的用途、生产工艺及特点,并指出其生产中存在的问题,分析了其发展前景,认为其市场前景广阔,目前远没有满足市场需
- The choice of proper wire rod for cold rolled ribbed bars(WRRB) is a dominating factor for properties.The paper introduces the development of LL550 for WRRB. 冷轧带肋钢筋母材的选用是影响冷轧带肋钢筋性能的关键因素,本文介绍了LL550级冷轧带肋钢筋专用母材的技术开发。
- In order to improving the mechanical properties of hot rolled ribbed steel bar,Jinan steel's No. 济钢第一小型轧钢厂采用穿水控制冷却工艺提高带肋钢筋性能,通过工业性试验对其强化机理进行了探讨。
- Departure from the Nucleate Boiling(DNB) is observed at the conditions with high heat fluxes in the vertical internally ribbed tube. 内螺纹管内的旋流效应消失,传热恶化提前,在高热负荷条件下,会发生第一类传热恶化。
- The microstructure and its distribution along radius of V-N microalloyed hot rolled ribbed bar were observed by means of optical microscope and SEM. 通过用金相、扫描电镜等方法观察得出,钒氮微合金化热轧带肋钢筋肋部主要由细小的铁素体晶粒、片层较细的珠光体和少量离异珠光体组成;
- Then,the difficulties and notice of small standard hot rolled ribbed steel bars' mechanical working in lower section of limited range are showed. 指出了切分轧制条件下小规格热轧带肋钢筋实施负偏差轧制的难点及注意事项。
- cold--rolled ribbed steel wires and bars 冷轧带肋钢筋
- The parameters calculation method of groove for hot rolled ribbed bars, such as the gap of end of cross rib, the teeth number of change gear, etc. 介绍了在热轧带肋钢筋轧槽加工中,横肋末端间隙、挂轮齿数等参数的计算方法,和实际应用经验,及其与负偏差轧制的关系。
- The causes of the head size over tolerance of large size hot rolled ribbed bars are analyzed.By improving the structure bearing bracket,this problem was resolved well. 分析了在横列式轧机轧制大规格热轧带肋钢筋时头部葫芦状尺寸超差的产生原因,通过改进轴承座结构,有效地解决了这一问题。
- The study indicates that the testing method of necking extensibility is of high accuracy and comparability, and it can meet the requirement of hot rolled ribbed steel bar inspection. 研究表明,颈缩伸长率测量精度高,具有可比性,满足钢筋检验的要求。
- parallel vertical internally ribbed tube 垂直并联内螺纹管
- According to the basie principles of continuous rolling, the author research the basic passes system and design method of the Y type mill for cold rolling ribbed steel wire and bar in this paper. 采用有限元模拟的方法,对比分析了两种高速线材减定径孔型系统的变形特点、轧件宽展和轧制压力变化情况。
- The study indicates that the testing method of necking extensibilityis of high accuracy and comparability, and it can meet the requirement of inspection of hot rolled ribbed steel barinspection. 结果表明,颈缩伸长率测量精度较高,具有可比性,满足钢筋生产和销售及使用的要求。
- Minus-deviation rolling is an important means to realize the maximization of economic benefit in the production of the hot rolled ribbed steel bars. 实行负偏差轧制,是热轧带肋钢筋的生产实现经济效益最大化的一个重要手段。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Cold Rolled Ribbed Bar and Its Application to Engineering 冷轧带肋钢筋及其在工程中的应用