Digital time control,accurate up to the very cycle.
With the function of power factor self-adaptation,trigger phase angle
of SCR is automatically fitted to power factor angle of the welder.If
one of the two SCRs fails to fire during the welding event,the machine
will be automatically stopped promptly.
Force supply mechanism is driven by compressed air resulting in
stable electrode force which can be evenly adjusted according to
processing needs. http://www.autoweldingmachine.com