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- In pulsed GTAW with wire filler,the variation of the weld pool shape could be observed from the weld pool image,such as the pool width,length,rear angles,surface height,etc. 在填丝脉冲GTAW过程中,从熔池图像上可以观察到熔池形状的变化,如宽度、长度、后拖角和表面高度等。熟练焊工可以根据变化的情况实时地调整焊接规范,保证焊缝成形稳定。
- Fuzzy Control System for MIG Weld Pool Width MIG焊熔宽模糊控制系统
- Simulation of Al-MIG weld pool width control by nine-point controller 九点控制器对铝合金MIG焊熔宽控制的仿真
- weld pool width 焊缝熔宽
- Vision-based control system for aluminum alloy MIG welding pool width 视觉传感铝合金脉冲MIG焊熔宽控制系统
- welding pool width 熔池宽度
- But current density and heat flux on deformed weld pool surface are not similar Gauss distribution. 而变形熔池表面的电流密度和热流密度分布则不再符合近似的高斯分布。
- In the experiment, two tungsten electrodes set on both sides of weld pool provide transverse current to the pool. 实验通过布置在熔池两侧并随激光同步运动的钨电极向熔池中提供横向电流。
- An approach is proposed that this deviation can be obtained by using the weld pool image centroid and a Kalman filter. 为此提出一种利用熔池图像质心和卡尔曼滤波来间接获取电弧与焊缝偏差的方法。
- Firstly, the effect of the deformation in the molten weld pool was eliminated after the element rebirth method was adopted. 首先,通过单元再生方案,消除了焊接构件中熔池变形对熔池尾部应力应变场的影响。
- The calculated results of current density and heat flux on flat weld pool surface using model established in this paper are agreed with experiment. 用本模型计算出的平坦熔池表面电流密度和热流密度的分布与试验结果显示了很好的一致性。
- However, there is a little increase of the weld pool temperature.While the thickness increases to an extent, the RSF show little increase. 当壁厚增大到一定程度时，在线焊接管道的剩余强度因子增大速度减缓。
- A three-dimensional numerical analysis model of fluid flow and heat transfer in pulsed current TIG weld pool is developed. 对运动电弧作用下脉冲TIG焊接熔池流场与热场动态变化过程建立了三维数学模型。
- The calculating formulas of top and bottom pool-surface deformation in TIG full-penetration weld pool is developed based on principles of fluid mechanics and variation calculus. 根据流体力学理论和变分法原理，推导出了熔透情况下TIG焊接熔池上表面和下表面变形的方程。
- The GBE model for simulation of grain structures in welding pool is introduced. 介绍了焊接熔池组织模拟的GBE模型。
- Based on the characteristics of the weld pool which are obtained through the analysis of a great lot of images,an image processing algorithm that can detect the integral edge of the weld pool is developed,which doesn't need to reduce the disturbance. 对大量的焊接熔池图像进行了分析 ,根据图像的特点 ,设计出不需要滤波的图像边缘检测算法 ,检测出了连续电流TIG焊接熔池的整个边缘。
- In this paper, the application of passive visual sensing in pulsed GMAW is deeply analyzed. Through composite filter technology can solved interfered by electric arc and can achieved clear high contrast images of weld pool. 本文对这种传感方法在脉冲GMAW焊中的应用情况进行了深入分析，提出了采用由窄带、宽带滤光片，中性减光片和吸热片组成的复合滤光技术，从而解决了电弧光对成像的干扰问题，获得了清晰度高、对比度强的熔池图像。
- Images of copper weld pool are obtained from the front side of weldment using normal charge coupled device(CCD) sensor and results of image-getting with different observing windows are discussed. 采用普通电荷耦合(CCD)传感器从正面拍摄了铜熔池,并对不同观察窗口下的取像结果进行比较分析,找到了相对较佳、可获得较清晰的铜熔池图像的取像窗口。
- Now in A-TIG welding, the coefficient of arc shrinking and the weld pool surface tension result in penetration increased. 目前认为A-TIG焊使熔深增加的机理是电弧收缩和表面张力共同作用的结果。
- The garden is six meters in width. 花园的宽度为六米。
