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When first starting to work with the laser welders, operators should experiment with five or six different alloys commonly used. It is also recommended to source different types of alloys in casting and strip/stamping form. This gives the operator a better understanding of the composition and thermal conductivity of the metals. Since close attention must be paid to the thickness or thinness, shape, and fit of the parts to be welded, operators should test-weld some parts together at different settings (voltage, pulse length, beam diameter), then cut a cross section of the piece to check the weld depth. This exercise provides the operator with a feel for the different alloys and how they react to various power levels.... (2003) Complete Story
This sterling silver chocker chain is handmade from 16 gauge round wire. It has multiple interlocking links. The customer leads a very active lifestyle and has small children so she prefers the links be permanently closed.... (2005) Complete Story
The assembly of this three stone pendant pendant appears simple but when using traditional methods to position and join the tiny parts it can be tricky and time consuming. Each of the bezel units will be connected by jump rings and will dangle when finished. Tack- and pulse-arc welding technology makes the soldering and assembly process easier and more proficient.... (2005) Complete Story
This illustration is of a 14-karat white gold ring for three cultured freshwater pearls and two small accent diamonds. After preparing the wax, casting and pre-finishing, the ring was prepared for tack welding. There are 5 parts to be tacked – 2 small white gold settings and 3 white gold pearl posts. At each location for tacking the wire posts, a ball bur was used to create a small indentation slightly larger than the diameter of the wire.... (2005) Complete Story
David and Diana Howard, owners of My Jeweler, Inc. in Albuquerque , NM recently worked with a local church to design and manufacture a crown to be placed on a popular church icon painting. The churchs parishioners donated jewelry to the cause. Howard sent the old gold out for refining and received over 4 ounces of fine gold in return. He alloyed the gold to 14-karat yellow, poured ingots and rolled wire for the crown. The crown has over 600 contact joints so Howard decided to use tack- and pulse-arc-welding technology. Here is an overview of the procedures he used... (2005) Complete Story
