The requirements and features of direct-melt bushings are stated, based on which the structure and features of current direct-melt bushings, bushing material specification and bushing fabrication methods are discussed, the advance of fabrication technologies introduced and the futural fabrication methods and developing direction predicted.

In this paper, a hypothesis is raised based on the analyses of cases of platinum bushing contamination.

Research of Integrated Application Environment for Automatic Arc-welding Robot for Wire-drawing Bushing;

In the last few years, with the rapid development of domestic glass fibre in dustries, it's very urgent for people to use glass fiberizing bushing with many pores.