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- defects of weld seam 焊缝缺陷
- Analyses of the Defects of Weld Seam in Resistance Welding and the Design of Test Equipment 高频电阻焊焊缝缺陷分析与检测仪的设计
- The image acquisition of weld seam is influenced by the intense spatters,combusting gas,arc and the noise . 获取的图像中存在大量的飞溅、烟尘、电弧光以及周围环境电磁、静电产生的噪声干扰。
- A method of weld seam measurement based on structured light stereovision is proposed, which employs two charge coupled device cameras and a laser emitter fitted on the end-effector of the robot. 提出了一种基于结构光立体视觉的焊缝测量方法,并给出了一种简单的摄像机与激光器标定方法。
- When we detect the internal defect of the welding seam quantificationally,we often adopt the half wave-height method,but the error is very large.Because of this,we take stand on an instance. 在此基础上,针对焊缝缺陷的定量检测时,常规采用半波高度法,其误差较大的情况,本文应用实例,应用端点衍射法对典型的焊接缺陷进行了超声波探伤。
- Effects of welding parameters on the penetration of austenitic stainless steel A-TIG weld seam with the home-made active flux were carried out. 利用自制的活性剂,考察了焊接工艺参数对奥氏体不锈钢A-TIG焊焊缝熔深的影响。
- The problem of searching the center of weld fleetly and exactly is the key of automatic welding system, so a welding seam tracing system based on CCD was presented. 快速而准确地寻找到焊缝中心的位置是实时焊缝跟踪系统要解决的首要问题,文中提出一种基于视觉传感器CCD的焊缝跟踪系统。
- A defect of focus, such as blurring in an image. 像差焦点不准确而造成的物像模糊
- The defects of welding of pure aluminum are air hole, un interfuse, occlude and holding wolframium, etc. 纯铝在焊接过程中存在的主要缺陷是气孔、未熔合、夹杂及夹钨等。
- Ultrasonic inspection of weld seam 缝焊的超声波检测
- It also has advantages of simple operation, low cost, good quality of welding seam and rectangle and oval parts. 操作简单方便，成本低，焊缝质量优良，并且还可对矩形、椭圆形等形状实施高质量焊接。
- The rational technology and process are provided for various defects of cast iron by analyzing the composition of cast iron and metallurgy process of welding. 通过分析铸铁的成分和焊接的冶金过程,为不同的铸铁缺陷的补焊提供了合理的工艺方法及措施。
- Experimental results of welding seam tracking testified the effectiveness and reliability of the method. 焊缝图像处理与焊缝跟踪试验结果证明了该方法的有效性和可靠性。
- The undetected or misjudge problem of on testing by ultrasonic waves of welding seam is a very conspicuous problem. 焊缝超声检测的漏检或误判问题是一个比较突出的问题,其中一个重要原因是由反射波信号确定缺陷大小、形状和性质时存在较大偏差。
- There are some defects of the first WHB in ammonia plant that the welding seams were between the tube plate and the tube scoured and cracks formed between the tubes in working. 合成车间第一废热锅炉在使用过程中管板出现管孔焊肉被冲蚀及管桥裂纹等缺陷。
- The defect of the pottery detracts from its beauty. 这陶器的瑕疵有损它的美。
- The article analyzes that all factors effect impacting toughness of welded seam of ERW pipe on the basis of mass produce and practice. 在大量生产实践的基础上分析了影响ERW直缝电阻焊钢管焊缝冲击韧性的各种因素。
- In the process of submerged arc welding of spiral slits,welding defects may occur because the oxidized iron sheets in the course of welding may cause messy welding seams. 在螺旋缝埋弧焊生产过程中,由于带钢表面氧化铁皮进入焊接过程,往往会造成焊缝夹杂,出现焊接缺陷。
- The microstructure of welded joints by manual SHS welding was studied,and the mechanical properties of the welding seam were tested. 分析了手工自蔓延焊接接头的微观组织,测试了焊缝的力学性能,研究了焊缝合金与母材过渡区的元素分布及存在方式。
- They used artificial flower in defect of real ones. 由于没有鲜花，他们使用了假花。
