Lost Wax Casting

If you are experiencing rough surfaces, discolored metal or no-fills, the problem may be in the burnout. When casting, the...

A very high percentage of investment casting defects can be directly or indirectly attributed to the design of the sprue...

Here's something to aim for: a well laid-out, orderly workshop, well-lit by multiple non glare light sources, well-maintained equipment, electrically...

Casting of silver can be fairly easy and these notes are the results of my experience through trial and error...

In each step of manufacturing jewelry, there are many factors that can adversely affect quality. Because of this, process control...

A good practice for preventing investment blowout is to measure the height of the trees before investing. The maximum tree...

Clean, fresh investment, water and investment at room temperature, de-ionized or distilled water or water that has been sitting overnight....

You will require a 5 to 6 inch by 3 inch wide brass or copper tube, silver solder a cover...

Dental probes and knives make good wax tools. Your local dentist or dental hygienist or school for the same can...

These slow, quiet days of summer are always a good time to review your shop practices before the busy holiday...

Recently a customer requested that we make her an unusual mother's ring. She chose a magnificent 3.56 ct. oval blue...

Invented by Victor Joyner, a Chicagobased manufacturing jeweler, patented High Definition (HD) Patterns are made of a light-curing polymer material...

The casting department at Stuller Inc. in Lafayette, Louisiana, has been experimenting with casting photopolymer models, and it has found...

AJM recently asked Linus Drogs of AU Enterprises in Berkley , Michigan , to test the new Ultra-Vest MAXX Investment...

Racine and his son, Ittai, a physicist by profession but a top engineer, passed on purchasing the dated facility and...

The internet has put the world at our fingertips. In minutes or less you can start a video chat with...

This paper describes a process that eliminated fire scale during a vacuum casting cycle. Castings should not have a fire...