The equal reverse deformation on the workpiece was proposed before welding, and the welded workpiece was measured using CMM after laser welding test.
在焊接前对工件施加对应量的反变形，进行激光焊接实验，再用三坐标测量仪测量焊接件。
Some methods used in the control of welding deformation, such as reverse deformation, system analysis, controlling process parameters and temperature field, are introduced.
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。
But, it is very difficult to calculate values of restraint, restraint length and reverse deformation accurately, because of the complication of stress fields in welded structure.
但是由于焊接结构应力场的复杂性，使得精确计算拘束力、拘束长度和反变形量值很困难。
The theory of residual plastic strain can be used to predict the distortion of simple components, and the reverse deformation is an effective method for controlling the welding distortion.
通过对实例的分析，表明对于简单构件的激光焊接，残余塑变理论可以用来预测变形，反变形法是控制焊接变形的有效方法。
By the theory of elastoplastic bend, this paper prowents a method to calculate out - of -- plane restraint and reverse deformation that are made use of to remove angle deformation in butt joints.
本文应用弹塑性弯曲理论提出了一种消除焊接对接接头角变形的平面外拘束力的计算方法，计算了极限拘束力、拘束长度和反变形的量值，并通过试验验证了方法的有效性。
The temperature properties of membrane deformation, water viscosity and surface tension in reverse osmosis system are analyzed.
分析了反渗透系统中膜体形变、水体粘度与表面张力等参数的温度特性。
Reverse structures in Songliao basin are mainly wide and gentle folds and placanticline with small deformation.
松辽盆地的反转构造以宽缓的褶曲和长垣背斜为主，属小变形量的反转构造。
The results of calculation show that the joint has reverse effect on deformation and loading condition of tunnel lining.
通过计算，表明节理的存在，使隧道衬砌的变形和受力状况恶化。
Reverse to pilot, the deformation characters of enlarging pilot present homogeneity and symmetry.
与平导围岩变形特征相反，平导扩挖时的变形特征具有均匀性和对称性。
Reverse to pilot, the deformation characters of enlarging pilot present homogeneity and symmetry.
与平导围岩变形特征相反，平导扩挖时的变形特征具有均匀性和对称性。
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