THIRD HAND WITH HORSESHOE BASE
THIRD HAND WITH HORSESHOE BASE
These handy holding devices are available with either round or horseshoe bases. Each are heavy, non- tipping bases equipped with ball joint attachments which can position work at any angle. Cross-locking tweezers and various types of clamps will fit on these bases. Handy for positioning pieces to be joined by solder or adhesive, freeing both hands.
Here is an example of possible uses:
Soldering is an easy way to adhere metal to metal. A hand-held soldering iron heats up and is touched to the two pieces of metal. The iron melts a soft metal, referred to as solder, connecting each piece. If the solder will not adhere to the metal, a flux can be used to aid in bonding. An ideal soldering iron for jewelry-making purposes should be slender and pointed at the tip. This allows for controlled and precise application of solder.
Turn on the soldering iron and allow it to heat up, While the iron is heating, affix the two items to be joined on the third hand. Move the items until they touch each other at the place where you wish to solder them. Apply flux to each piece at the place you wish to join them with a cotton swab. Wipe the hot iron on the wet sponge to remove any solder residue. Touch the iron to the spot to be joined and immediately touch the solder to the iron. When a bead of solder has melted, remove the spool of solder. Use the iron to move the bead of solder until it coats each piece to be joined. Wipe the joined pieces with the sponge to remove excess flux. Allow to cool before removing from third hand.
More tips on soldering
Using hard silver solder for this sweat soldering operation is going to be really tough. If you can use medium solder, using less heat, you will have a far easier time of it. Another suggestion would be to get both pieces perfectly flat, before you melt the medium solder chips on the back side of the smaller piece. ( make sure it doesn’t warp from excessive heat!) As long as both remain flat (except for the melted pieces of solder) you should be able to put both pieces together, flux, and heat with a broad flame, heating as evenly as possible. I’d recommend a sturdy, flat screen, and heating from below. I try not to use any cross-locking tweezers, etc., as they can create more of a problem.
I have a few pieces of 1/4 in. wide square steel rod, cut into 3 in. lengths. If I have a problem holding down a large flat project like this one, I’ll weight the pieces down with a piece or 2 of the square steel rod. They don’t absorb much heat, and serve to hold pieces down gently when soldering.
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