Die casting has proven it's worth as a process for serial production of metal components – there is hardly one machinery branch which does not use cast components.
However, welding these parts often causes problems. The inclusion of small gas bubbles cannot completely be avoided during die casting and the resulting pores expand due to process temperatures. The result: the welding seam becomes porous and less tight.
This problem can be avoided with Friction Stir Welding!
Instead of melting the components to join them they are stirred into each other under high pressure. This causes the process temperature to stay very low in comparison to other welding processes. Because of this, welding seams of outstanding quality and tightness can be achieved even on cast components.
Especially the automobile industry benefits from the innovative Friction Stir Welding of aluminium cast components.