GB/T 18779.4-2020
Geometrical product specifications (GPS)—Inspection by measurement of workpieces and measuring equipment—Part 4: Background on functional limits and specification limits in decision rules

Standard No.

GB/T 18779.4-2020

Language

Chinese

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Lastest

GB/T 18779.4-2020

Scope

This part of GB/T 18779 specifies the main assumptions under the theoretical ideal decision rules in GB/T 18779.1. The reasons why these rules should be the default rules are given, and the factors to be considered before using different decision rules are given. This part applies to all specifications involved in the GPS general standard (see GB/T20308), that is, the standard compiled by SAC/TC240, including workpiece specifications (usually given in the form of specification limits) and measuring equipment specifications (usually given in the form of maximum allowable error form given).

GB/T 18779.4-2020 Referenced Document

• ISO 14253-1:1998 Geometrical Product Specifications (GPS) - Inspection by measurement of workpieces and measuring equipments - Part 1: Decision rules for proving conformance or non-conformance with specifications

GB/T 18779.4-2020 history

• 2020 GB/T 18779.4-2020 Geometrical product specifications (GPS)—Inspection by measurement of workpieces and measuring equipment—Part 4: Background on functional limits and specification limits in decision rules

GB/T 18779.4-2020 -All Parts