标准编号：ISO 20170:2019
中文名称：几何产品规范（GPS） 制造控制用几何特性分解
英文名称：Geometrical product specifications (GPS) — Decomposition of geometrical characteristics for manufacturing control
发布日期：2019-04
标准范围
This document describes principles and tools to control a manufacturing process in accordance with
a GPS specification. For this purpose a set of one or more complementary, independent characteristics
(size, form, orientation, and location characteristics independent to each other) that correlate to the
manufacturing process parameters and to the manufacturing process coordinate system established
from the manufacturing datum system are used.
This document describes the concept of decomposition of the macro-geometrical part of the GPS
specification. It does not cover the micro-geometry, i.e. surface texture.
The objective of the decomposition presented in this document is to define correction values for
manufacturing control or to perform a statistical analysis of the process.
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