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What you are talking about is semantics. Common usage of the term brazing in Australia involves the use of oxyacetylene torch and copper or silver based filler metal. Rod Tingate worked for Colin Seeley in the 70s, told me that all the original Seeley frames were brazed (bronze welded , if you prefer) using tobin bronze, and his own frames are made using the same process with coated rods. The 'welds' on my Seeley frame are bronze, not steel. I've rarely heard a brazed joint being described as 'welded'. Our usage of the term 'fillet weld' usually applies to steel and aluminium welding where the weld metal is substantially the same as the construction materials. A lot of brazed joints don't look like fillet welds, however I suppose they all are in the strictest sense . Do you also call silver soldering or tin-lead soldering 'welding' ?Does using TIG or MIG welding for frames include an obligation to stress relieve the frame in the jig?There has been a slow discussion about frame building going on around here for some time, the best joints seem to be made using bronze. Some of us have TIG available, but the material requirements and the temperatures involved give a few worries about cracking. The last frame we made was chrome moly for a 750 SFC Laverda, my own Egli copy of a TZ750 two stroke frame was made using mild steel tube, a few steel welded joints and much brazing.
What you are talking about is semantics. Common usage of the term brazing in Australia involves the use of oxyacetylene torch and copper or silver based filler metal. Rod Tingate worked for Colin Seeley in the 70s, told me that all the original Seeley frames were brazed (bronze welded , if you prefer) using tobin bronze, and his own frames are made using the same process with coated rods. The 'welds' on my Seeley frame are bronze, not steel. I've rarely heard a brazed joint being described as 'welded'. Our usage of the term 'fillet weld' usually applies to steel and aluminium welding where the weld metal is substantially the same as the construction materials. A lot of brazed joints don't look like fillet welds, however I suppose they all are in the strictest sense . Do you also call silver soldering or tin-lead soldering 'welding' ?
Does using TIG or MIG welding for frames include an obligation to stress relieve the frame in the jig?
There has been a slow discussion about frame building going on around here for some time, the best joints seem to be made using bronze. Some of us have TIG available, but the material requirements and the temperatures involved give a few worries about cracking. The last frame we made was chrome moly for a 750 SFC Laverda, my own Egli copy of a TZ750 two stroke frame was made using mild steel tube, a few steel welded joints and much brazing.
