Thermal compensation system for machine tools with a minimum control precision
AssigneeIndustrial Technology Research Institute
InventorsChia-Chin Chuang, Chin-Ming Chen, Chun-Yu Tsai, Chi-Chen Lin, Chung-Kai Wu
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Abstract
A thermal compensation system for machine tools includes a thermal compensation-monitoring device and a cloud processing device. The thermal compensation-monitoring device receives a plurality of temperature signals of a workpiece and corresponding processing tolerance data to build or update a thermal compensation database. The cloud processing device provides a thermal compensation model, and applies the model with the characterized temperature signals and the tolerance data to generate a compensation value so as to decide whether or not to modify the model or to run a compensation is necessary.
Claims10
A thermal compensation system, applied to a machine tool for processing a workpiece, comprising:
- a thermal compensation-monitoring device, configured to receive a plurality of temperature signals of the workpiece at different timings, to capture a plurality of temperature characteristics corresponding to the plurality of temperature signals, and to build or update a thermal compensation database according to a plurality of tolerance data of the workpiece corresponding to the plurality of temperature characteristics;
- and
- a cloud calculation device, configured to provide a thermal compensation model, to calculate a thermal compensation value according to the plurality of temperature characteristics and the plurality of tolerance data, and to evaluate the thermal compensation value and a preset threshold value and then determine to modify the thermal compensation model or to perform a thermal compensation process;
- wherein the threshold value is a minimum control precision of a controller of the machine tool.
Dependencies are inferred from the claim text.