Reinforcing moderate-sized investment molds.


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Posted by Anthony Ingino on April 06, 1999 at 17:01:03:

At the college foundry where I work,we use roofing paper & chicken wire cylinders as forms for pouring investment around our wax patterns. Sometimes the weight of the mixture is too much for this material even though supported on the bottom by a plaster dam halfway up the outside. Other than constructing a wooden frame, is there an alternative method to provide a stronger form?

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