我厂为丯台桥梁制造工厂所生产的四公尺支承輥,他是道管成型机上的一个主要部件。材貭为CT—35号篇鋼,长度为5340公厘,中空,壁厚σ=42.5公厘。此輥的內壁还須要加工,并且构件很大,不能鑄造成一整体,因此,分别由四段加以鑄造和加工,然后用焊接的 I plant for the Taiwan Bridge manufacturing plant produced by the four-meter backing roller, he is a tube forming a major component. Material 貭 CT-35 articles steel, a length of 5340 mm, hollow, wall thickness σ = 42.5 mm. The inner wall of this roll also needs to be machined, and the components are large and can not be cast as a single piece, so cast and machined from four sections, respectively, and then welded