??? 09/28/04 09:50 Read: times |
#78240 - RE: WEOT: Good Books on PID Responding to: ???'s previous message |
Prahlad,
Why not measure the resistance of the joint, with a pre-weld measurement, as the joint is clamped,then apply your current-to-suit, using phase control to adjust as needed. Why do you only have a 2:1 welding transformer ? The spot welders I have seen have a single turn secondary ! Steve |