Please Login Below.

MJSA

Archive for the ‘Casting’ Category

Beginning Platinum

Tuesday, January 1st, 2008 by Jurgen M. Maerz

In 1986, when Ricardo Basta Eichberg decided to begin casting platinum, he tried to learn all he could about the white metal and its properties-and quickly came up empty. (more…)

Wax Works

Tuesday, January 1st, 2008 by David Federman

By casting diamond jewelry with stones already set, US manufacturers save not only time and money but also sales.

No one bothered to tell department store quality inspector Bill Hoefer about the secret new weapon that American jewelry makers are counting on to stem the tide of business lost to Asia. He just stumbled on its existence by accident. (more…)

Model-Making An Ancient Art Steps into the 90’s

Tuesday, January 1st, 2008 by Ginger Dick

Is model-making in the jewelry industry a vanishing art or an emerging science ? The answer varies depending on which industry segment you explore. The rapid development of technology to handle many parts of tool and die creation has, in many cases, replaced skilled toolmakers and modelmakers with trained technicians operating complex machinery . (more…)

Understanding Casting Grain

Wednesday, December 19th, 2007 by Louis P. Solomon and Aldo M. Keti Louis P. Solomon and Aldo M. Keti

Today, High-qulaity, pre-alloyed casting grain is available in various karats and colors to satisfy jewelers’ investment casting needs. Color variation is quite simply a function of chemical composition where the relative contents of silver and copper play a major role in determining not only the color of the alloy, but also other characteristics such as strength and hardness. Alloy chemistries are formulated primarily for the purpose of attaining a desired color. (more…)

Jeffʼs Top Casting Tips

Sunday, January 1st, 2006 by Jeff Hoover

Many jewelers call with questions regarding their casting problems. In this article I will address the most common casting problems and offer solutions to resolve common casting errors. (more…)

Casting a Dolphin ring

Thursday, February 1st, 2001 by Deborah Spencer

This project requires some knowledge of the casting process and also access to casting equipment. I wouldn’t recommend going to the expense of buying all the equipment until you know this is a process you enjoy and want to continue to explore.
(more…)

Moving Metal Molds

Tuesday, August 1st, 2000 by Suzanne Wade

In an age where productivity and consistency can determine whether a jewelry piece is profitable or not, many manufacturers are discovering a technique first explored during the rubber shortages of world war 2 - the use of metal instead of rubber to create molds. (more…)

Porosity: The Jeweler’s Nightmare

Tuesday, June 1st, 1999 by Tom Weishaar

Knowing how to cast jewelry properly demonstrates another aspect of quality in your shop.

Porosity. It’s an ugly word for bench jewelers and can be expensive for store owners and customers. Just close your eyes and picture a block of baby Swiss cheese. (more…)

Bi-Metal Basics

Tuesday, September 1st, 1998 by Klaus Wiesner

Bi-Metal Casting allows manufacturers to join two metals in almost any desired shape-without visible seams. (more…)

Platinum Casting

Saturday, August 1st, 1998 by Elaine Corwin

From design to final finish, the art of casting platinum requires patience, preparation, and many modifications. (more…)