您要查找的是不是：
- Analysis of rotary piercing process with FE method 斜轧穿孔工艺的有限元法分析
- Rolling Condition Analysis and Parameter-selection Optimization of Rotary Piercing Process 斜轧穿孔轧制状态分析与最佳参数选择
- FE Simulation and Experimental Research on Wall Thickness Unevenness in Rotary Piercing Process 斜轧穿孔中壁厚不均的有限元模拟及实验研究
- Development course of the plug pipe mill--Commemorating the 120th anniversary of invention of the rotary piercing process by Mannesmann Brothers 自动轧管机的发展进程--纪念曼内斯曼兄弟发明斜轧穿孔工艺120周年
- Approach invention development--commemorating the 120th anniversary of the invention of the rotary piercing process by Mannessmann brothers 探索·发明·发展--纪念曼内斯曼兄弟发明斜轧穿孔工艺120周年
- Market demand--the engine for development of seamless steel tube technology--Commemorating the 120th anniversary of invention of the rotary piercing process by Mannesmann Brothers 市场需求推动无缝钢管技术的发展--纪念曼内斯曼兄弟发明斜轧穿孔工艺120周年
- Rotary piercing process 斜轧穿孔
- Permanency versus evolution--The route of the development of mandrel mill technology--commemorating the 120th anniversary of the invention of the rotary piercing process by Mannessmann brothers 恒·变--连轧管工艺技术发展之路--纪念曼内斯曼兄弟发明斜轧穿孔工艺120周年
- Addressing deformation characteristics of the shell during rotary piercing operation, wall thickness unevenness is calculated by means of the FE simulation method. 通过有限元模拟针对斜轧穿孔过程中毛管的变形特点,对其壁厚不均进行了计算。
- Tests are made with three different piercing plug cone shapes to identify shell gauge changes during sec-ondary piercing process. 采用三种不同穿轧锥形状的顶头,通过二次穿孔试验研究了毛管壁厚变化。
- Presented in the article is a CAD illustrative method for groove opening of rotary piercing mill,which is much simpler and easy-to-use than the mathematic method as used for the same purpose. 介绍了一种使用计算机辅助设计(CAD)图解斜轧穿孔孔型开度值的方法,解决了在生产中用数学方法求解斜轧孔型开度值较复杂,难以应用的问题。
- The result shows that it is more possible for the HCC billet to form the cavity than the rolled bloom in rotary piercing operation owing to the former's plasticity less than the latter's. 实验结果表明，水平连铸管坯的塑性比轧制管坯差，斜轧穿孔时水平连铸管坯形成孔腔的可能性比轧制管坯大得多。
- The major quality defect as occurring in the cone type piercer process with highdeforming steel and alloy steel is the lamination. 难变形钢和合金管坯在锥形辊穿孔机上穿孔,毛管的主要质量问题也是分层缺陷;
- It is pointed out that like the barrel type piercer process,the control of the cone type piercer roll speed is also very important. 指出了锥形辊穿孔机也要和桶形辊穿孔机一样,要重视对穿孔机轧辊转速的控制。
- The article describes a solution to eliminate spiral W.T. uneveness of the shell from the rotary piercer by means of modifying the roll taper and presents the calculating formula for the roll taper. 介绍了用改进穿孔机轧辊锥角解决毛管产生螺旋性壁厚不均的方法，给出了确定轧辊锥角的计算公式。
- He was over six feet tall, with piercing blue eyes. 他身高超过六英尺，长着一双锐利的蓝眼睛。
- CAD Illustrative Method for Groove Opening Value of Rotary Piercing Mill 计算机辅助设计(cad)图解斜轧穿孔孔型开度值
- Determination of Smoothing Zone Conical Angle of Rotary Piercing Plug 斜轧穿孔顶头平整段锥角的选择
- It is a leap in the process of cognition. 这是认识过程的一次飞跃。
- All of a sudden a piercing scream broke the silence. 突然，刺耳的尖叫声打破了寂静。
