Study on Dynamic Characteristics of Heavy Machine Tool-Composite Pile Foundation-Soil
Autor: | CAI Li-Gang, TIAN Yang, LIU Zhi-Feng, WANG Quan-Tie, NING Yue |
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Jazyk: | angličtina |
Rok vydání: | 2014 |
Předmět: | |
Zdroj: | Sensors & Transducers, Vol 179, Iss 9, Pp 29-35 (2014) |
ISSN: | 1726-5479 2306-8515 |
Popis: | Heavy duty computer numerical control machine tools have characteristics of large self-weight, load and. The insufficiency of foundation bearing capacity leads to deformation of lathe bed, which effects machining accuracy. A combined-layer foundation model is created to describe the pile group foundation of multi-soil layer in this paper. Considering piles and soil in pile group as transversely isotropic material, equivalent constitutive relationship of composite foundation is constructed. A mathematical model is established by the introduction of boundary conditions, which is based on heavy duty computer numerical control machine tools-composite pile foundation-soil interaction system. And then, the response of different soil and pile depth is studied by a case. The model improves motion accuracy of machine tools. |
Databáze: | OpenAIRE |
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