Lost Wax Casting


Master the lost wax casting technique for jewelry making. Our articles cover materials, tools, and procedures as well as product reviews and advice.

Wax Casting Burnout Cycles

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

The Sprue System Design

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

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

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

Casting Investment Powder Performances

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

Five Steps for Successful Investing

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

Clean, fresh investment, water and investment at room temperature, de-ionized or distilled water or water that has been sitting overnight....
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How to Make a Wax Injector

How to Make a Wax Injector

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

Frequently Used Wax Tools

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

5 Classic Casting Tips

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

Wax Model Carving

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

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

Eliminating Ash Residue Defects

The casting department at Stuller Inc. in Lafayette, Louisiana, has been experimenting with casting photopolymer models, and it has found...
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Lost Wax Casting Part 3 of 9 Steam Dewaxing

Lost Wax Casting Part 3 of 9 Steam Dewaxing

This video was originally created to explain the casting process we use at Feathered Gems to the client whose charms...
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Testing the Ultra-Vest MAXX Investment

Testing the Ultra-Vest MAXX Investment

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

Etype Automated Wax Injection System

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

Revving Up the Burnout Process

The internet has put the world at our fingertips. In minutes or less you can start a video chat with...
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Lost Wax Casting Part 8 of 9 Cutting the sprues

Lost Wax Casting Part 8 of 9 Cutting the sprues

This video was originally created to explain the casting process we use at Feathered Gems to the client whose charms...
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Lost Wax Casting Part 1 of 9 Sprueing

Lost Wax Casting Part 1 of 9 Sprueing

This video was originally created to explain the casting process we use at Feathered Gems to the client whose charms...
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Hollowing Out A Wax Model For Lost Wax Casting

Hollowing Out A Wax Model For Lost Wax Casting

In this demonstration, a wax model is shown, and will be hollowed out from behind. A strong light is mounted...
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Improved Anti-fire Scale Casting Procedure

Improved Anti-fire Scale Casting Procedure

This paper describes a process that eliminated fire scale during a vacuum casting cycle. Castings should not have a fire...
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Lost Wax Casting Part 7 of 9 Cleaning the Castings

Lost Wax Casting Part 7 of 9 Cleaning the Castings

This video was originally created to explain the casting process we use at Feathered Gems to the client whose charms...
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Lost Wax Casting – [6/9] Quenching the hot flasks

Lost Wax Casting – [6/9] Quenching the hot flasks

Lost wax casting, step : cooling the hot flasks in a bucket of water Feathered Gems Jewelry has documented the...
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Lost Wax Casting – [1/9] Sprueing waxes

Lost Wax Casting – [1/9] Sprueing waxes

Preparing for lost wax casting, step 1: attaching waxes to a central sprue and weighing them. Feathered Gems Jewelry has...
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Lost Wax Casting – [9/9] Finishing and Polishing

Lost Wax Casting – [9/9] Finishing and Polishing

Lost wax casting, step : Grinding, buffing and polishing the finished charms. Feathered Gems Jewelry has documented the entire process...
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Lost Wax Casting – [7/9] Cleaning the newly cast charms

Lost Wax Casting – [7/9] Cleaning the newly cast charms

Lost wax casting, step : cleaning the freshly cast silver charms. Feathered Gems Jewelry has documented the entire process of...
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Lost Wax Casting – [8/9] Cutting the charms off of the sprue

Lost Wax Casting – [8/9] Cutting the charms off of the sprue

Lost wax casting, step 8: cutting the now clean silver charms off of the sprue trees. Feathered Gems Jewelry has...
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Lost Wax Casting – [4/9] Burning out the flasks

Lost Wax Casting – [4/9] Burning out the flasks

Preparing for lost wax casting, step 4: putting the flasks in a kiln to burn out any remaining wax and...
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Lost Wax Casting Part 9 of 9 Finishing the charms

Lost Wax Casting Part 9 of 9 Finishing the charms

This video was originally created to explain the casting process we use at Feathered Gems to the client whose charms...
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Lost Wax Casting – [5/9] Casting the silver in the heated fl

Lost Wax Casting – [5/9] Casting the silver in the heated fl

Lost wax casting, step 5: weighing and melting the sterling silver that is poured into the hot flasks. Feathered Gems...
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Lost Wax Casting Part 5 of 9 Casting the Silver

Lost Wax Casting Part 5 of 9 Casting the Silver

This video was originally created to explain the casting process we use at Feathered Gems to the client whose charms...
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Lost Wax Casting Part 4 of 9 Burning Out

Lost Wax Casting Part 4 of 9 Burning Out

This video was originally created to explain the casting process we use at Feathered Gems to the client whose charms...
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Lost Wax Casting – [3/9] Dewaxing the flasks

Lost Wax Casting – [3/9] Dewaxing the flasks

Preparing for lost wax casting, step 3: steaming out the wax from inside the hardened plaster investment. Feathered Gems Jewelry...
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Lost Wax Casting Part 6 of 9 Quenching the Flasks

Lost Wax Casting Part 6 of 9 Quenching the Flasks

This video was originally created to explain the casting process we use at Feathered Gems to the client whose charms...
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Lost Wax Casting – [2/9] Investing the wax-filled flasks

Lost Wax Casting – [2/9] Investing the wax-filled flasks

Preparing for lost wax casting, step 2: putting the waxes inside steel flasks and covering them with high temperature plaster...
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