深水起重铺管船吊机的焊接变形控制研究

Study on welding deformation control for deep water lifting pipe laying vessel crane

本文从设计合理的胎架、严格的控制组装的精度、焊前预热和焊后保温、刚性固定和外力作用等方面阐述了深水起重铺管船吊机的焊接变形控制的几种方法。

This paper provides an overview of several controlling measures of welding distortion on deep water lifting pipe laying vessel crane which include welding fixture design,assembly precision control,preheating before welding and heat preservation afterwards,rigid fixing as well as external influence.