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精密轧制
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  precision rolling
     PRECISION ROLLING OF ROD AND WIRE──THE TECHNIQUE OF ON-LINE AUTOMATIC MEASURING AND EXAMINING
     棒线材精密轧制(3)──在线自动检测检验技术
短句来源
     This artile analyzed and studied current new processes & technologies for bar & wire rod rolling of special steel, especially analyzed around such as ECR(Endless Casting Rolling) , head-tripping rolling,on-line supplementary reheating, precision rolling, single grove rolling & free size rolling, rolling at low temperature, on-line heat treatment, and then provided concepts for import, application, R & D of the processes & techologies.
     本文对当今特殊钢棒线材轧制的新工艺、新技术进行了分析、研究。 围绕着无头轧制、脱头轧制、在线补充加热、精密轧制、单一孔型轧制及自由尺寸轧制、低温精轧、在线热处理等特殊钢棒线材轧制工艺技术进行了分析,为特殊钢棒线材轧制工艺技术的引进、应用、开发与研究提供了思路。
短句来源
  precision roiling
     As to the precision roiling of rod and wire, the application of on- line automatic diameter measure, eddycurrent inspection and detection of roiling process are discussed.
     本文就棒、线材精密轧制,论述了在线自动测径仪,涡流探伤和轧制过程的检测。
短句来源
  相似匹配句对
     A STUDY ON PRECISION ALLOY STEEL ROLL OIL
     精密合金钢轧制油的研制
短句来源
     Practice on Rolling Precise Seamless Stainless Steel Tube
     精密不锈无缝钢管的轧制实践
短句来源
     Precision Pulse Generator
     精密脉冲发生器
短句来源
     Pushing for Precision
     力求精密
短句来源
     OPTIMIZATION OF ROLLING
     轧制优化
短句来源
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he quality guarantee system of rod and wire has a close relation with parameter measuring in rolling process and the examining technique of surface quality of red and wire. As to the precision roiling of rod and wire, the application of on- line automatic diameter measure, eddycurrent inspection and detection of roiling process are discussed.

棒、线材质量保证体系与轧制过程的参数检测和表面质量的检验技术相关。本文就棒、线材精密轧制,论述了在线自动测径仪,涡流探伤和轧制过程的检测。

It is significant to reform alloyed bar and rod production line by new technologies under the current condition of rare high quality alloyed bar and rod in the Chinese market.The new technologies were introduced in detail,which include casting slab hot delivery and hot charging,endless rolling and the second reheating,precision rolling and low temperature rolling,single pass and free-size rolling,on-line retard cooling and bur removal,etc.

分析了目前我国棒线材市场优质合金钢棒线材稀缺形势下,用先进的新工艺技术改造合金钢棒线材生产线具有现实意义。这些新技术包括:连铸坯热送热装、脱头轧制和二次加热、精密轧制、低温精轧、单一孔型和"自由尺寸"轧制、直条棒材在线缓冷和刷毛刺、奥氏体不锈钢线材在线散卷固溶处理和盘卷在线环型炉固溶处理、不锈钢盘卷酸洗等技术。

As to the difficulty of frequent work-piece failure and technological parameter selection by experiment in multi-wedge cross wedge rolling (MCWR) for long-axle parts, a multi-wedge command stream program in FEM was developed by authors to simulate the MCWR rolling process. The effects of forming angle, spreading angle and reduction in area on the inner equivalent stress, strain and axial displacement of work-pieces were theoretically analyzed and the corresponding regularities were obtained. The rule of the...

As to the difficulty of frequent work-piece failure and technological parameter selection by experiment in multi-wedge cross wedge rolling (MCWR) for long-axle parts, a multi-wedge command stream program in FEM was developed by authors to simulate the MCWR rolling process. The effects of forming angle, spreading angle and reduction in area on the inner equivalent stress, strain and axial displacement of work-pieces were theoretically analyzed and the corresponding regularities were obtained. The rule of the effect of reduction in area on the axial displacement of work-pieces was verified by experiment.

针对楔横轧多楔精密轧制长轴类零件中工艺参数的确定主要依靠经验、轧件缺陷 频繁发生的难题,采用自主开发的多楔命令流有限元程序对多楔轧制过程进行有限元数值 模拟,从理论上较详细分析成形角、展宽角和断面收缩率三个主要工艺参数对轧件内部等效 应力、应变和轴向位移的影响,得到其相应的变化规律,并对断面收缩率对轴向位移的影响 规律进行实验验证.

 
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