expendable pattern

expendable pattern

[ik¦spen·də·bəl ′pad·ərn]
(metallurgy)
A pattern that is destroyed in the metal-casting process.
References in periodicals archive ?
Investment casting uses an expendable pattern (almost always of wax) to convert molten metal in a single operation to precision engineered components with minimum wastage of material, energy and subsequent machining.
The implant SLA model served as the casting pattern for the construction of a silicon mould and the subsequent casting of an identical wax model, which was finally used as an expendable pattern for the production of the titanium part by investment casting.
This is an extensive revision of Expendable Pattern Casting, with new information on the advancements and discoveries that were made since Raymond Monroe's book was published in 1992.
The key element that makes RP and investment casting compatible is that investment casting uses an expendable pattern (wax or foam), and RP can produce an expendable pattern directly from a database without the need for tooling [ILLUSTRATION FOR FIGURE 3 OMITTED].
The widespread use of lost foam (LF), also known as expendable pattern casting, according to Bruce McMellon, Vulcan Engineering Co.
In the demand for improved quality while casting with an environmental conscience, expendable pattern casting (EPC) has intrigued progressive foundrymen since its birth 30-some years ago.
With a theme of "Managing the Technology," more than 150 foundrymen conferred in Birmingham, Alabama, on September 21-23 to share technological advances and experiences in improving the expendable pattern casting (EPC) process.
Several new methods for improving the expendable pattern casting (EPC) process were presented at the Congress' heavily attended EPC sessions.
The last few years have seen a great deal of commercial and technical activity in the field of expendable pattern casting (EPC).
The American Foundrymen's Society research project on expendable pattern casting (EPC) that began in 1989 is a good example of the benefits of long-term R&D involving: financing, technology development and technology application and transfer.
Fifteen CIATF commissions are active in various fields of foundry technology, including two new ones dealing with light alloy and expendable pattern castings, Rusin said.
While Accura 60 parts can be used as functional prototypes, they are ideal for use in manufacturing applications as master patterns for molds and expendable patterns for metal investment casting.
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