Manufacturing process research about arched sealing surface of large wielding parts

Based on quality progress cost etc, comparing and analyzing the manufacture press measures, moreover, considering the actual project situation, adopt to machine the sealing surface way before welding. On the condition of low cost, ensure the quality and progress of project. Figure out the manufacture problem of arched sealing surface about large welding part. It provides reference significance about the arched sealing surface manufacture of big welding part.