Friction welding process to join flange to pipe-end such as an automotive exhaust manifold

摘要

#CMT# #/CMT# In a process to join a flange plate (5) to an effluent gas pipe (1), the pipe is secured by a clamp and the flange (5) is presented to the pipe-end (4) and oscillated and pressed against the pipe to generate heat. The heat produces results in a friction weld. Also claimed is a commensurate pipe assembly e.g. exhaust manifold with a number of pipe ends having friction-welded flanges. Further claimed is an orbital friction-welding assembly. #CMT#USE : #/CMT# Process and friction welding assembly for e.g. manufacture of automotive exhaust manifold. #CMT#ADVANTAGE : #/CMT# The process produces a higher quality weld than prior art. Further claimed is that the process eliminates prior art scale and splash weld rod particles. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a side-view of the friction welding process. 1 : Pipe 2 : clamp 3 : clamp plate 4 : end-face 5 : flange plate 6 : apertures 7 : relative motion 8 : relative motion.