反变形法，是控制焊接变形的最常用的方法之一，通常适用于控制焊件的角变形和弯曲变形。
在此着重介绍了弹性反变形法，一种兼有刚性固定法和塑性反变形法特点的预变形法。
In this article, it emphatically introduces the method of elasticity anti-distortion, which contains the characteristics of the method of rigidity immobility and the method of anti-distortion.
实践表明，反变形法和加支撑刚性固定是控制这种大型特厚壁结构焊接变形的有效方法。
The practice have proved that the anti -distortion plus with rigid fixing are the effective measures for controlling the distortions of this huge welding structure.
同时介绍了控制焊接变形的几种方法，如反变形法、控制工艺参数、控制温度场以及系统综合分析等。
Some methods used in the control of welding deformation, such as reverse deformation, system analysis, controlling process parameters and temperature field, are introduced.
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