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。
This paper describes the methods of controlling the frame quality in terms of process design, mould design, control of deformation and defects from welding surface treatment, etc.
从工艺设计、胎具设计、控制焊接变形和缺陷、表面处理等各环节实行严格的品质控制，多年来生产出多种型号的车架全部为合格品。
Fabrication technology and deformation control measures, which can meet requirements of specifications without need of corrections after welding, for the steel box members are expounded.
本文介绍了该钢箱杆件的制造工艺及不需焊后矫正就能达到规范要求的变形控制措施。
It requires high level for manufacturing technology and welding deformation control because the structure of cross-section is special.
十字形断面柱的结构特殊，对制作工艺及焊接变形控制要求较高。
Describing the factors affecting welding spares deformation, deformable harm to the spares and methods to control deformation in the manufacture of valve industry.
论述了阀门工业生产中，影响焊接零件变形的因素，变形对零件的危害，以及控制变形的方法。
How to reduce and control welding deformation is a major issue in the process of manufacturing the bogie frame of the high-speed locomotive.
高速动力车转向架构架生产过程中的主要问题是如何控制焊接变形。
During the process of shipbuilding, deformation of plentiful welding components makes against precision control of ship construction, which affects the quality of ship construction.
在船体建造过程中，大量焊接构件的变形不利于船体制造精度的控制，从而影响到船舶建造的质量。
In this bode, onsite welding and deformation control of the large pipe and barrel structures have been deeply analyzed, which is very useful for theory and practice.
本文重点对大型管、简构件的现场焊接及变形控制做了深入的分析和探讨，具有较强的理论意义和实际应用推广价值。
Million cubic meters of floating roof storage tank area, the design selection of the steel is thinner, easy to produce after welding deformation, flatness control difficult.
十万立方米储罐浮顶面积大，设计选用的钢板较薄，焊接后极易产生变形，平整度控制很难。
In the manufacturing of gate, we use many welding deformation control techniques and adjust the welding sequences to guarantee the final welding quality of gate.
通过采用预留收缩余量和反变形量，钢性加固，合理选择焊接方法，调整焊接顺序等措施保障了产品焊接最终质量。
From the aspects of how to control weld stress and weld deformation, welding process of bucket bottom is studied and discussed.
从如何控制焊接应力和焊接变形的角度出发，对斗底的焊接工艺进行研究和探讨。
Therefore, it is necessary to forecast and control the overall structure of the welding deformation.
因此，预测并控制整个结构的焊接变形量是有必要的。
Based on emphasis and difficulties of structural welding, influencing factors and control measures for welding deformation are introduced according to construction experience.
针对钢结构工程焊接技术的重点和难点，根据多年的工程实践经验，本文主要阐述实用焊接变形的影响因素及控制措施和方法。
Based on emphasis and difficulties of structural welding, influencing factors and control measures for welding deformation are introduced according to construction experience.
针对钢结构工程焊接技术的重点和难点，根据多年的工程实践经验，本文主要阐述实用焊接变形的影响因素及控制措施和方法。
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