Plan a tack and weld sequence that controls fit-up and reduces distortion risk on a small frame.
Keep a small rectangular frame square while tacking and welding fillets at the corners. Risk treatment sequence: set objective, control fit-up, balance heat, measure before committing. The common trap is making one strong tack or full weld early, then forcing the remaining frame to fit the mistake. Set objective Record the target diagonal or squareness check before welding starts. If you do not define square, you cannot see drift early. Tack balanced points Use small tacks at opposing corners or sides, then recheck diagonals before adding more heat. Opposing tacks spread restraint and make movement visible while it is still…
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