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- It indicated that double wire welding technique not only advanced the efficiency of welding and quality of weld seam but also improve the tensile strength and facture toughness of the welded joints. 根据螺旋焊管内焊双丝焊工艺的特殊性,研制了一套内焊双丝焊装置,该装置由焊丝对缝跟踪机构、焊臂支撑导向机构、送丝系统、调节机构及导电焊炬等组成。
- The dynamic change of the molten pool influences the quality of welding joint directly in TIG. TIG焊接过程中,熔池的动态变化直接影响焊接质量。
- The distribution of residual stress of weld joints is analyzed. 并分析了焊接接头残余应力的分布规律。
- In the case of one heat exchanger consist of tantalum(Ta) tube and Ta/16MnR clad sheet,the key factors for quality of welding joint between heat-exchanging tube and tube-plate was discussed. 分析了利用钽做换热管、Ta/16MnR复合板做管板的管板式换热器,影响管板焊接接头焊接质量的关键因素。
- quality of welded joints 焊接接头质量
- Based on the modification, an engineering method for elastic-plastec fracture analysis of welded joints with mechanical heterogeneity is studied. 、C_v,并以此为基础研究了非均质焊接接头塑性断裂力学分析的工程方法。
- It's a new method to increase fatigue strength of welded joints and structure by peening toe of weld with ultrasonic peening equipment. 使用超声波冲击焊趾来提高焊接接头及结构的疲劳强度,是一种国际上刚刚出现的新方法。本文对超声冲击方法的试验装置进行了研究。
- Its a new method to incaease fatgue strength of welded joints and structure by peening toe of weld with ultrasonic peening equipment. 使用超声波冲击焊趾来提高焊接接头及结构的疲劳强度,是一种国际上刚刚出现的新方法:本文对超声冲击方法的试验装置进行了研究。
- Measure of Welded Joints Quality 焊缝质量检验
- Keywords narrow gap welding(NGB);welding procedure parameter;hydrogenation reactor;quality of welding joint; 窄间隙埋弧焊;焊接工艺参数;加氢反应器;焊接接头质量;
- The phase stresses produced by transformation expansion strain at different transformation temperature can affect the kinds and values of the residual stresses of welded joints. 焊缝金属相变温度不同,相变体积膨胀变形造成的相变应力会直接影响焊接接头残余应力的类型和大小。
- It has been proved by related tests (at constant force amplitude) that the fatigue strength of welded joints or structures with ultrasonic peening trea tment is improved greatly. 焊接接头或焊接结构经超声冲击处理后,疲劳性能得到十分显著的改善,这已被相关试验(常幅)所证实。突然超载所引起的过载效应会对超声冲击处理的效果产生一定的影响,具体情况如何,目前尚不情楚。
- Truck conditions were second cause of the accidents which include flat tire, failure of welded joints of tank and truck body, engine overheat, which in 20 percent. 其次,车辆因素,例如爆胎、槽体和货车本体并未焊接连接、槽车槽体与车头连结杆断裂、引擎过热、方向盘故障、避震器损毁、车头与罐体间卡栓脱落等,所引发意外事件佔整体的20%25;
- Electrocircuit and time controlled precisly to improve the quality of welding. 焊接过程中电流和时间精密控制,提高焊接质量。
- The condition or quality of being pure or chaste. 纯洁纯洁或贞洁的状况或者品质
- The microstructure and mechanical properties of welded joint of ultra-fine grained rebar were studied. 摘要研究了超细晶粒钢筋焊接接头的组织和力学性能。
- He possesses the quality of inspiring confidence. 他有本事能让别人信任他。
- The state or quality of being null. 无效无效的状况或性质
- In order to fulfill requirements of welding quality,welding joints groove patterns and processing precision must be ensured. 为满足焊接质量的要求就必须保证焊接接头坡口型式和加工精度。
- The strain-stress distribution rules of welded joint containing a crack on fusion line was analyzed with finite element method. 对熔合线上含裂纹焊接接头,应用有限元方法分析了其应力应变场的分布规律。