SGIR-TREE: INTEGRATING R-TREE SPATIAL INDEXING AS SUBGRAPHS IN GRAPH DATABASE MANAGEMENT SYSTEMS



Thermal-Feature System Identification for a Machine Tool Spindle

The internal temperature is an important index for the prevention and maintenance of a spindle.However, the temperature inside the spindle is undetectable directly because there is no space to embed a temperature sensor, and drilling holes will reduce its mechanical stiffness.Therefore, it is worthwhile understanding the thermal-feature of a spindl

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