Calibratin Welding Machines
Calibratin Welding Machines
(OP)
Where, if any, in AWS D1.1 does it say how often you need to calibrate your welding machines?
When was the last time you drove down the highway without seeing a commercial truck hauling goods?
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Calibratin Welding Machines
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RE: Calibratin Welding Machines
Leaves alot of latitude. Defined - if the machine produces the req'd weld- it's fine.
D1.5 2008(bridges) is another story. Section 4.26 "Eqpt. used to measure variables shall be accurately calibrated. Contractor shall verify at least every 3 months accuray of meters used to display welding varaibles. Eqpt. used for verification shall be certified annually.
Section 6.3.2 "The inspector shall inspect welding and thermal cutting eqpt. used in the work and verify it conforms to 3.1.2" (same as D1.1 5.11) It's up to the contractor not the inspector, to verify meters.
RE: Calibratin Welding Machines