ASME B5.64-2022 PDF
This Standard establishes a methodology for specifying and testing the performance of single-axis linear positioning systems. It covers linear positioning systems with travels ranging from micrometers to meters. This Standard describes equivalent test methods and instrumentation described in existing machine tool standards (ASME B5.54, ASME B5.57, and ISO 230 series) and additional methods and instrumentation used for the characterization of positioning systems having a relatively high positioning performance when compared to standard machine tool performance. This Standard seeks to highlight the importance of understanding measurement uncertainty and the test uncertainty ratio (TUR) by providing methods for estimating the test uncertainty and the uncertainty of positioning performance results. In addition to clarifying the positioning performance evaluation, this Standard facilitates performance comparisons between systems by unifying terminology and the treatments of environmental effects and measurement uncertainty. This Standard provides a series of tests that should be used to perform acceptance testing of new and reconditioned positioning systems and could be used to verify the continued capability of systems, already in operation, through periodic testing. The set of acceptance tests and the specification limits for system conformance shall be the subject of contractual agreement between the user and the manufacturer/supplier.
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