The technology of numerical simulation for metal transfer in GMAW is one of the front and research hotspot in the weld filed , which has achieved great progress in recent years.
熔化极气体保护焊熔滴过渡数值模拟作为焊接学科的前沿领域和研究的热点之一，近年来已经取得了较大的进展。
The front impact roller causes transverse plastic compression strain in the weld which is in the brittle temperature range, which counteracts the tensile strain which leads to hot cracking.
前轮对处于脆性温度区间的焊缝金属施加一个横向挤压塑性应变，减小甚至抵消致裂的拉伸应变，防止了焊接热裂纹的产生。
A set of experimental measurement system to the chang process for impulse TIG welding pool width has been established based on contact measurement in front of weld by visual computers.
建立了一套以计算机视觉焊缝正面检测为基础的脉冲tig焊熔池宽度变化过程的实验检测系统。
It took the workers three hours to weld the new iron frame onto the front gate.
工人们花了三个小时才把新铁框焊接到前门上。
Sectionally pressing and assembled weld technology of front disc on fan impeller is introduced.
介绍了对风机叶轮前盘采用分段压型和组焊的工艺方案以及制造工艺的过程。
The drop simulation for the front plastic shell have been done with take the position of weld line which result from the two relatively optimal projects to the lowest location.
②塑料件前壳试验：将两组较优浇口方案产生的熔接痕位置调整到跌落方向的最低处。
The drop simulation for the front plastic shell have been done with take the position of weld line which result from the two relatively optimal projects to the lowest location.
②塑料件前壳试验：将两组较优浇口方案产生的熔接痕位置调整到跌落方向的最低处。
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