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| [38] An 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. Follow the proportions suggested by the investment manufacturer. Usually 40cc of water to 100 grams of investment is good. Use a dust filter mask and gloves. Time yourself. Remember: 'Well begun is half done'.... (1990)
 Complete Story |
| Show me more articles from: [Brain Press Publications]|[Charles Lewton-Brain] |
| Releated Categories: [Lost Wax Casting] |
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| [668] Casting Investment Powder Performances |
In each step of manufacturing jewelry, there are many factors that can adversely affect quality. Because of this, process control is very important. Investing is one of those steps in which process control is vital. Most investment manufacturers help the investor control the process variables by providing a consistent product, user instructions and technical support. However, improper handling of the investment powder often destroys their efforts. Improper storage, poor water quality, wrong mixing ratios, insufficient mixing methods, uncontrolled temperatures and others can each reduce casting quality and thus cause loss of production and money. This paper will present some data that will show what some factors do to the various investment properties.... (2002)
Complete Story |
| Show me more articles from: [The World Gold Council]|[Ralph Carter] |
| Releated Categories: [Jewelry Mass Production]|[Lost Wax Casting] |
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| [888] 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 as well as instruction from an experienced jeweler and instructor. Mark Ruby the instructor for the Fort Collins Senior Center was instrumental in helping with these notes and instructions. The person that has helped me test and experiment with the different methods is Mary Jo Ziedler. We have made some mistakes and we have had our successes. Mary Jo and I have only performed investment and casting using centrifugal equipment.... (2009)
Complete Story |
| Show me more articles from: [Ganoksin]|[Ken Moore] |
| Releated Categories: [Lost Wax Casting] |
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| [40] Casting Safety: a glimpse |
Here's something to aim for: a well laid-out, orderly workshop, well-lit by multiple non glare light sources, well-maintained equipment, electrically and fire safe, with low dust and few procedures involving solvents, with excellent local ventilation at the appropriate work.... (1999)
Complete Story |
| Show me more articles from: [The Jewelry Workshop Safety Report]|[Charles Lewton-Brain] |
| Releated Categories: [Lost Wax Casting]|[Workshop Safety] |
| ISBN: 0969851049 |
| [235] 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 height should be between 0.5 inch and (for larger trees with more metal) 0.75 inch shorter than the fill level of the flask. It's also important to leave a 0.125 inch gap between the top of the investment and the top of the flask if you are using benchtop vacuum casting with a solid flask.... (2003)
Complete Story |
| Show me more articles from: [AJM]|[Gregg Todd and Greg Gilman] |
| Releated Categories: [Lost Wax Casting]|[Casting Troubleshooting] |
| ISBN: B00006K39S |
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