Bezel-Set Pendant
By Deborah Hamm
Intermediate project.
Part I: Making the bezel.
A bezel setting with clean lines, broken by a small extravagance of gold balls, this project requires some delicate soldering situations -- unless you'd rather skip the gold balls for an easier, clean-lined piece.
All metal lengths are approximate. I generally use a #04 tip on my torch and hard solder for most all of my soldering, allowing the option of using solder with a lower-melting point later on, if needed. Remember, your metals are recyclable, never a loss.
For more safety information, I recommend A Jewelry Workshop Safety Report:
Safety and Substitutes, text of a lecture on safety given at the Society of
North American Goldsmiths Conference in March 1998. It is available through Brain
Press and can be seen on the company's Web site at www.ganoksin.com/borisat/tree.cgi.
Editor's note: To learn more about this artist and her work, see A Light
Touch, page 32 in the print issue of December 1998 Lapidary Journal.
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Torch, oxy/acetylene or equivalent
Flexible-shaft machine Half-round needle file Flat
hand file Pickle Lightweight hammer (2 to 3 oz.) Modified
nail tapping tool Flux 12-gauge sterling square wire, approx.
10cm or long enough to circle pearls/chain Flat/round-nose combination
and chain-nose pliers Sanding sticks (240-, 400-, and 600-grit)
Borise acid with denatured alcohol Quality stamps and/or hallmark
1-1/4" to 1-1/2" dowel |
Shellac Bent-nose tweezers
1-1/4" square of 24-gauge sterling sheet 18K yellow sheet,
24-gauge 4mm x 60mm long 2 pieces 18-gauge 18K yellow round wire each
approx. 15mm. long 18K yellow hard or medium solder Sterling
hard, medium, and easy solder Sterling or 18K chain or pearl strand
Stone of similar shape (I used palm wood) Pear-shaped pearl,
half-drilled Narrow-point diamond bits Epoxy 330 Buffs
and/or brush wheels with tripoli and rouge Flat graver and/or burnisher |
| For information on supplies, please see the Annual
Buyers' Directory.
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STEP 1.
Anneal all metals. If it helps, notch the corners as you go and bend the 18K bezel
strip around the stone so that the fit is close. Don't force the fit. File the
seam until flush, being sure the ends meet completely and evenly. I always dip
metals to be soldered into a boric acid/denatured alcohol solution. Apply your
torch flame, making sure nothing is above the flame (such as a lamp). This helps
the flux flow smoothly and lays down a soon-to-be glassy coating that protects
the metal from fire scale. With your preferred form of flux (I use the yellow
liquid stuff), paint the area to be soldered. Using a snippet of 18K hard solder,
solder the ends together. Quench in pickle.

STEP 2.
Apply your sterling stamp and/or hallmark to the silver sheet. Gently sand or
file the bottom of the bezel until flat so that it sits on the flat sterling sheet
without gaps. After any alterations, always check the stone fit before proceeding.
Dip, flux, and solder the bezel to the silver sheet, using several snippets of
sterling hard solder. Quench in pickle. Saw off the excess edge of the silver
and file all edges until smooth, then sand with sanding sticks. Finish to a polish
using tripoli, then rouge, washing the piece in between to prevent contaminating
the buffs.
STEP 3.
File a notch at the midpoint of the square wire strip to enable you to make a
sharp bend. Bend the square wire to the shape of the outside of the bezel. Maintain
a smooth line, free of sharp bends that keep the wire from meeting the stone all
the way around. This makes soldering easier. File the inside edge if the wire
is dinged. Wrapping your pliers with tape helps. Tap the wire with the hammer
on a metal or wood block to flatten, then check the fit. Leave plenty of wire
on the top 2 ends to allow for the balls and the loop that will act as the bail
(take into account the thickness of the metal, which reduces length when bent). |
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STEP
4.
Dip, flux (including exposed wire ends), and solder the wire to the bezel, using
sterling hard solder. Run the torch over the whole piece, especially on the heavier
square wire. I use a solder pik. This requires good temperature control of all
metal parts, and you will have to prevent the piece from moving. Before quenching,
use tweezers to pick up the piece (exposed wires facing down) and hold the tip
of the flame over the end of the wire, balling it up. Do not try for too large
of a ball, or it may fall off. Repeat on other end. Quench in pickle. Bend the
wires to form the hooks that will hold the chain or pearls. File the edges until
smooth and use the half-round file for the area inside the loops, if needed. |
| STEP 5.
You may want to skip the gold balls, depending on your soldering skills and nerve.
If you don't want to add the gold balls, go to STEP 1 of Part
II. If you do, figure out where you want to place them. Cut a few small pieces
of 1, 2, and 3mm lengths of the 18K strip. Place on your solder pad and use your
torch to ball them up. Quench in water and place back on the pad, flat side down.
Arrange the balls in the order that you will solder them. Very tiny snippets of
sterling medium solder should be on your pad, as should the necklace, secured
from movement and fluxed. Practice picking up these tiny little balls with the
tweezers before you are under fire. They can be hard to grip. It may take some
practice coordinating holding the ball, picking up solder, watching the color
of metal as it gets close to temperature, and then placing the ball on the piece.
Think of where you might be able to rest your arm. I use a GRS Benchmate and hook
my little finger on one of the third hand arms as I hold the tweezers containing
the ball to be soldered. |
Next month, we will add the gold balls and set the stone.
Deborah Hamm is a metal artist working in platinum,
18K golds, and sterling and 18K combinations, utilizing various stones and gems.
She exhibits at Show of Hands (Denver, CO), Langman Gallery (Willow Grove, PA),
and other galleries around the country. Her web site address is www.silverhawk.com/ex98/hammd.html.
A 1998 Niche Award finalist and receiver of an honorable mention, Ms. Hamm is
a member of the Women's Jewelry Association and the Society of North American
Goldsmiths. |
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