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Assessing the Surface Distortion of Plaster Molds Made with the Use of SLA Models

Shumkov A. A., Ablyaz T. R., Muratov K. R.

Archives of Foundry Engineering

2017

Vol. 17, iss. 3

123--126

The method of determining the accuracy of polymer molds in plaster forms has been discussed. Distortion of the surface of molds and plaster molds has been assessed. It has been found that the presence of monolithic and porous structure in the samples does not change the accuracy of the surfaces when forms are prepared for removing the material of the model. It has been found that in case of full-mold casting it is more expedient to form the mold cavity with cellular adjustable structures of molding prototypes.