Welding With Force. 711 Gravity Force This is due to gravitational force acting on molten metal drop hanging at the tip of electrode. Forum AWS Website Help Search Login.
The electrode force is a variable in the welding process which affects between the electrode tips and is classified into a squeeze welding and holding force 11 15. Fan and Shi 5 affirm that the electromagnetic force is the main responsible for a higher arc pressure and an increase in the welding current produces a higher current density increasing the. Weld conditions requires a downward force of 3 100 lbs.
In projection welding the welding force causes the collapse of the projection in the workpiece which changes the contact area and thereby the contact resistance and the current density.
Forum AWS Website Help Search Login. Instead of using a higher amperage to prevent sticking of the rod a higher setting on the dig or arc force knob can do the trick. It allows you to jam that rod in a pipe root without sticking and without being too high on the amps. Weld Crack A crack located in the weld metal or heat affected zone.