THE EFFECT OF MATERIAL COMPOSITION ON THERMAL EXPANSION AND MECHANICAL STRENGTH OF POLYMER CONCRETE USED FOR MANUFACTURING A BASE OF CNC GRINDING MACHINE

摘要

This paper examine thermal expansion coefficient (CTE), flexural strength (FS) of polymer concrete (PC) containing different resin volume fraction (RVF) and figuring out the influence of the CET on the precision of the CNC grinding machine. Different samples of PC have been prepared adopting variety RVF as follows 17%, 15% and 13%. Aggregates were Basalt, Sand, and Fly Ash. CET was tested using custom built device. FS was tested according to Australian standard AS 1012.11. Results illustrates that RVF in PC has significant effect on CET, FS. ANSYS 12.1 visualize the CET influence on effective components of CNC grinding machine. Structural analysis under realistic thermal condition simulation reveals the effect of resin volume fraction on precision of CNC grinding machine in sensible manners.