Pengaruh Kecepatan Spindle Mesin Las Gesek Rotary Tegak Bar-Plate Terhadap Da…

ABSTRACT Currently, metal joining by welding method is widely used in both building construction and machine construction. However, in its development the connection method has problems, especially in metal in the form of rods, if using liquid welding the penetration produced only around the rod, not to the core of rod, then one solution is to use the friction welding method. The friction weld…