GB/T 1218-2004

Abolished

Depth micrometer

深度千分尺

Standard Type

GBT

ICS

17.040.30

CCS

J42

Status

废止

Issue Date

2004-02-10

Implementation

2004-08-01

Responsible Dept

中国机械工业联合会

Drafting Unit

中国机械工业联合会

📋 Scope / 适用范围 ai_extracted

本标准规定了深度千分尺的术语和定义、型式与基本参数、要求、检验方法和标志与包装等。本标准适用于分度值为0. 01 mm,0.001 mm,0.002 mm,0. 005 mm,测微头的量程为25 mm，测量上限l。二不应大于300 mm的深度千分尺。

📚 References & Relations / 引用与关联

normative_reference GB/T 17163-1997

📖 Terms & Definitions / 术语和定义 ai_extracted

深度千分尺: depth micrometer 利用螺旋副原理，对底板基准面与测量杆测量面间分隔的距离进行读数的深度测量器具。
最大允许误差: maximun permissible error 由技术规范、规则等对深度千分尺规定的误差极限值。

🔗 Related Standards / 同类标准

GB/Z 26958.22-2011 Geometrical Product Specifications (GPS) - Filtration - Part 22: Linear profile filters : Spline filters GB/Z 26958.20-2011 Geometrical Product Specifications (GPS) - Filtration - Part 20: Linear profile filters: Basic concepts GB/Z 26958.30-2017 Geometrical product specifications (GPS)—Filtration—Part 30: Robust profile filters—Basic concept GB/T 5371-1985 Tolerances and fits--The calculation and selection of interference fits GB/T 7234-1987 Measurement of roundness--Terms, definitions and parameters of roundness GB/T 11334-1989 Cone tolerance GB/T 12360-1990 Cone fit GB/T 3374-1992 Basic terminology of gears

Content extracted by AI. Not officially verified.