Testing and Evaluating Thermal Deformations of Machine Tools
On the basis of previous work in the development of metrology of NC machine tools, error functions to be measured for thermal effects are pointed out with the use of several examples of machine tools. Typical features of thermal deformations in machine tools are illustrated by means of computations of transient thermal fields and transient thermal deformations of simple typical structures. This discussion is concluded by the formulation of rules for the specification of conditions for thermal test cycles. Finally, the way of evaluating the error functions is explained and illustrated by examples.
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