焊缝边界 meaning in English

toe of the weld

1 process - oriented algorithms for sheet metal deployment . an investigation is made on the constrains to welded seam , sheet thickness , slope type and their influences to sheet metal manufacture process , and a rational method is adopted to treat design and calculation
本文主要涉及的研究内容及创新点包括以下几个方面： 1 、提出并实现了面向工艺的钣金展开算法；探讨了展开计算时焊缝边界约束条件，板厚处理，坡口型式对钣金加工制造工艺的影响，并采用合理的方法进行处理和设计。