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  1. Replies
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    11,860

    I always put Ag solder through rolling mills to...

    I always put Ag solder through rolling mills to make a thinner section [0.2mm].Cut pallions with standard jewellers shears .Seems to have worked for the past 40 years!
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    Hi,sounds as if the flux [borax] has solidified...

    Hi,sounds as if the flux [borax] has solidified around the gold.Hear until the flux is melting and dig the gold lump out with pliers.Quench the gold to shatter the fux,pickle it if possible.Remove as...
  3. Hi ,just checked an old Cookson catalogue; the CY...

    Hi ,just checked an old Cookson catalogue; the CY [AAB 000] casting grain "contains silicon and other additivesw to assist the flow of metal. Not suitable for cuttlefish casting or sheet/wire ingot...
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    Yes the flux will cool and become an enamel like...

    Yes the flux will cool and become an enamel like coating,colour depends on flux,temperature etc.It doesn`t affect the silver and can be removed in pickle or left and burned off during next melt.
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    Hi, not on here very often! I work for St Justin...

    Hi, not on here very often!
    I work for St Justin Ltd, Penzance. < www.stjustin.co.uk >
    We make cast pewter,bronze and silver jewellery and also do contract/one off pieces.
    Cheers
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    Thanks for the warning,I`ll shop around!

    Thanks for the warning,I`ll shop around!
  7. Replies
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    6,385

    Haven`t been here for a while so missed out on...

    Haven`t been here for a while so missed out on info :Whats been the problem with Cousins? I`ve ordered files,satinising mops,burrs,blades and blow torch bits etc from them over the years and not had...
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    Hi ,bit slow replying to this. Bronze is a lot...

    Hi ,bit slow replying to this. Bronze is a lot harder to saw and file,it blunts blades and wrecks files for fun!It is also a sod for soldering ie if you need to put sprues on and it dosn`t like being...
  9. You can get a low temperature silicone...

    You can get a low temperature silicone [vulcanising range 80 -100C @100 bar]which means that you can cleanly mould from wax and 3d printed items items.It is far superior to...
  10. The company I work for produce cast bronze...

    The company I work for produce cast bronze jewellery and had tarnishing problems.A quick wipe over with pure bees wax does the trick.As far as I`m aware ,nothing has been returned due to tarnishing!
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    Copper Horse

    A couple of weeks ago I was asked at work to come up with a leaving present for one of the office staff who deals with all the customer orders and requests and therefore knows what a lot of the...
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    I tend to use parallel jaw pliers as clamping on...

    I tend to use parallel jaw pliers as clamping on awkward items for piercing.Mind you,I`m only back to 90% strength after cardiac arrest a couple of years ago!
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    Hi, I wouldn`t,personally, double them...

    Hi,
    I wouldn`t,personally, double them up.Rather get a small [3.5Kg] bottle for the new torch,that way there`s no chance of reducing the pressure to each torch.Also less chance of any thing...
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    Use the 2nd generation castings as masters and...

    Use the 2nd generation castings as masters and make them to the sizes you require [allowing for shrinkage,which you can determine from the original],make sure the setting is ok,resprue and have...
  15. Thread: Pewter

    by swageblock
    Replies
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    6,601

    Hi,I`m pattern and mould maker for a company in...

    Hi,I`m pattern and mould maker for a company in Cornwall that produces cast pewter celtic items.Pewter melting for casting 280-300C.It is 95% tin,4.5% copper and 0.5%antimony and bismuth [some alloys...
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    I`ve been using Sievert torches for 35+ years,an...

    I`ve been using Sievert torches for 35+ years,an 11kg cylinder will last up to a year on daily use [Full time !] with a jewellery burner.Don`t use reduction valve,use straight thro valve with...
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    To return to the Gold/Silversmith conversation,I...

    To return to the Gold/Silversmith conversation,I too was told that a Goldsmith mainly makes jewellery and a Silversmith mainly makes larger items such as boxes,chalices etc.
    Ialso learned [many...
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    Why do people avoid medium? 1;The top end of its...

    Why do people avoid medium?
    1;The top end of its melt range overlaps the lower end of hard grade and the low end of medium melt range overlaps the top end of easy solders .
    therefore there is a...
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    Re solder pallions getting dis placed by bubbling...

    Re solder pallions getting dis placed by bubbling flux;Melt the pallions into balls and pick them up[whilst still molten] on a steel wire "pick".Heat the
    item up to temp and apply the solder bearing...
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    Seems to be OK,agree about the tat,but its always...

    Seems to be OK,agree about the tat,but its always there.There is no hanging comittee and as long as peoples work is their own,ie not from kits,we accept it.
    You don`t want to hear my comments when...
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    Oh Yeah.I allways do.I`m involved with setting it...

    Oh Yeah.I allways do.I`m involved with setting it up and hanging pictures etc.
    have been for last 16 years!!
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    Thanks.Working with mass produced stuff all...

    Thanks.Working with mass produced stuff all day,it`s nice to sit and play/relax by doing what YOU want.
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    God that was hard work!These are not good...

    God that was hard work!These are not good shots,dust on lens etc.Could clone it out on photoshop but not got to grips with that either:}
    Silver/9ct earrings,Cats eye/silver/9ct red...
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    A couple of bits

    22342235223622372238
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    Sounds like non hallmark grade silver brazing...

    Sounds like non hallmark grade silver brazing rod.It has a slightly yellow tint,is very hard to file/sand off any lumps.Its great for copper and brass repairs/restoration and flows very well.
    Not...
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