Standard No.:	GB/T 8177-2004
English Name:	Internal micrometers with two-point contact
Chinese Name:	两点内径千分尺
Chinese Classification:	J42    Measuring tool and instrument
Professional Classification:	GB    National Standard
ICS Classification:	17.040.30 17.040.30    Measuring instruments 17.040.30
Issued by:	China Machinery Industry Federation
Issued on:	2004-02-10
Implemented on:	2004-8-1
Status:	superseded
Superseded by:	GB/T 8177-2024 Internal micrometers with two-point contact
Superseded on:	2024-11-1
Abolished on:	2024-11-01
Superseding:	GB/T 8177-1987 Internal micrometers GB/T 9057-1988 Single-body inside micrometers
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	100.00
Delivery:	via email in 1~3 business day

本标准规定了两点内径千分尺(包括“内径千分尺”和“单杆式内径千分尺”)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0．01mm、0.001mm、0、002mm、0.005mm，测微螺杆的螺距为0．5mm或1.0mm，测量上限lmax不应大于6000mm的整体结构或带有接长杆的两点内径千分尺(符合阿贝原则)。