标准编号：ISO 3875:2020
中文名称：机床 外圆无心磨床的试验条件 精确度的试验
英文名称：Machine tools — Test conditions for external cylindrical centreless grinding machines — Testing of the accuracy
发布日期：2020-01
标准范围
The document specifies, with reference to ISO 230-1 and ISO 230-2, geometric tests, machining tests and tests for accuracy and repeatability of positioning axes on general purpose and normal accuracy manually and numerically controlled (NC) external cylindrical centreless grinding machines. It also specifies the applicable tolerances corresponding to the above-mentioned tests.
This document deals only with the verification of accuracy of the machine. It does not apply to the testing of the machine operation (vibrations, abnormal noise, stick-slip motion of components, etc.) nor to machine characteristics (such as speeds, feeds, etc.), which are generally checked before testing of machine accuracy.
This document provides the terminology used for the principal components of the machine and the designation of the axes with reference to ISO 841.
NOTE In addition to the terms used in the official ISO languages (English and French), this document gives the equivalent terms in the German, Italian, Japanese, and Persian languages. These are published under the responsibility of the national member bodies for Germany (DIN), Italy (UNI), Japan (JIS), and Iran (ISIRI).
However, only the terms given in the official languages can be considered as ISO terms.
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