Vol: 33 , Nr: 3 , Art.: 2
Tytuł / Title:
Dimensional accuracy of PMMA casting patterns produced by 3d printing after impregnation
Autorzy / Authors:
Instytut Technologii Materiałów Politechniki Poznańskiej
Słowa kluczowe / key words:
Rapid Prototyping, Rapid Tooling, 3D Printing, impregnation of PMMA models, precision casting, additive manufacturing technologies
Streszczenie / Summary:

The paper presents research regarding dimensional compatibility of 3D printed casting patterns
after impregnation with the paraffin. Scope of the work included conducting the impregnation
process of the studied model and comparative analysis of dimensions of the 3D printed PMMA
models before and after impregnation. The research consisted of the following stages: measurement
of a non-impregnated casting pattern using an optical scanner, impregnation of the pattern
with a selected paraffin and repeated measurement after the impregnation. Dimensional deviations
were determined by measurement of the patterns in axes x, y and z and additionally by superposition
of geometries scanned before and after the impregnation.