GB/T 40808.2-2025 Environmental evaluation of machine tools—Part 2:Methods for measuring energy supplied to machine tools and machine tool components

Scope

This document specifies the measurement methods for the energy consumption of machine tools under specific conditions, in order to obtain reproducible energy data. It also stipulates the methods for quantifying the energy consumption of machine tool components, which are used to allocate their energy consumption to the general machine tool functions described in GB/T 40808.1—2021.
This document validates the energy-saving design methodology in GB/T 40808.1—2021 through the measurement methods for machine tool energy consumption. The allocation of the energy consumption of machine tool functions needs to be measured at the machine tool component level. The measurement is reproducible and is not affected by factors other than the recording and documentation conditions.
The measurement results specified in this document are used to record the improvements in energy consumption of machine tool designs and to evaluate the energy consumption of the manufacturing process of a given part on a specific machine tool. When comparing measurement results, it is necessary to conduct the comparison under the same conditions and ensure that comparable results are obtained through standardization and measurement.

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