epoxy granite: a structural material for precision machines

advance materials and one of those is epoxy granite. Precision machine tools are required to produce precise products at high machining speeds. Petroleum based epoxy and polyester based thermoset resins can be used to produce high-quality polymer concrete. [1] P.A. Machine Tool Base [1][2] Epoxy granite can be used as a structural material because of its good properties like damping, strength, thermal, density, absorptivity, surface finish etc. Hence, the machine tool structures must possess high damping and high structural stiffness along with dimensional and geometrical stability. [2] Antonio Piratelli-Filho, Frank Shimabukuro, 2008, ‘Characterization of Compression Strength of Granite-epoxy Composites Using Design of Experiments’, Materials … Also described is ‘epoxy concrete’, a new material specifi- cally developed for high precision machine tool structures, with high damping, high specific stiffness and high dimensional stability. A great deal of research and development is in progress on non-conventional materials for machine tools structures. In addition, material combinations and hybrid structures are available. However, petroleum based resources are finite and this has necessitated the development of thermoset bioresins to be used as polymer concrete. The need for higher material damping and light ... machine tool structural elements in spite of the low strength [8]. Precision granite castings, also known as synthetic granite, epoxy granite or polymer concrete, are used to replace cast iron and steel for superior vibration damping, better performance, longer tool life and lower assembly cost. Morgan, 1979, ‘Epoxy granite: a structural material for precision machines’ Precision Engineering, pp.227-229. Synthetic granite composite presents itself as a valuable alternative for precision machine structures manufacturing and has been explored since the 1970s. material used to build precision machine base and slideways because of its low thermal ... so it should be used in dry environment. 5 seal the granite with epoxy resin. Furthermore, innovative intelligent and smart materials which incorporate sensor and actuator functionality enable the realization of function integrated structures. Abstract A broad variety of materials can be found in modern machine tool structures ranging from steel and cast iron to fiber reinforced composite materials. Epoxy granite is a novel material being developed as an alternative material for precision machine tool bases. The conventional structural materials used in precision KEYWORDS: structure, material, epoxy‐granite, stiffness, damping INTRODUCTION Structural materials used in a machine tool have a decisive role in determining the productivity and accuracy of the part manufactured in it. Structural configurations for machine tools • The structure provides the means by which all components Notes. which ... A study on the epoxy resin concrete for the ultra-precision machine … Using patented moulding techniques, structures are finish cast to a high precision at low cost. For this reason many machine tool builders . McKeown, G.H. ME EN 7960 – Precision Machine Design Topic 14 ME EN 7960 – Precision Machine Design – Design of Machine Structures 14-2 Topics • Overall design approach for the structure • Stiffness requirements • Damping requirements • Structural configurations for machine tools • Other structural …

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