Just a thought Sandra, but did you clean the hard solder before cutting the pallions and did you dip the pallions in some borax before adding them to the boraxed solder joint? I am afraid I do not know much about the torch you are using or what the highest setting is. But for a large soldering job you need a large flame so that the whole job gets heated up to the solder flow temperature.
It may be a good idea to seek out some lessons as soldering methods are much easier to demonstrate than explain.
This shows my method of hard soldering a bezel to a backplate, the photos show, job fluxed, job loaded with solder pallions,then job soldered.
The clamps hold the bezel in place and also holds the backplate away from the solder block allowing the job to heat up easily.
James
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