Abstract
Friction stir welding (FSW) is a promising joining process that offers a high potential to be widely applied across industry sectors such as automotive, shipbuilding and aerospace. Nevertheless the path force can vary significantly due to the fluctuation of workpiece temperature and other process variations, thus results in inconsistency in weld microstructure. This paper describes the system integration of a FSW machine with a focus on the development of a traverse controlled table in order to produce a consistent temperature and path force along the weld path in FSW process. Aluminium alloy 6061 plate and a FSW’s tool with a flat shoulder and conical pin without thread are used. Advantages of such an approach include wormhole generation will be eliminated, a high quality of weld microstructure can be produced and the synchronization between the temperature and path force can be obtained.
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