Standard No.:	JB/T 6122-2004
English Name:	Shaft drilling cutters
Chinese Name:	破岩滚刀
Chinese Classification:	D91    Shaft building equipment
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	73.100.10 73.100.10    Tunnelling and tubing equipment 73.100.10
Issued by:	NDRC
Issued on:	2004-6-17
Implemented on:	2004-11-1
Status:	superseded
Superseded by:	JB/T 6122-2019 Shaft drilling cutters
Superseded on:	2020-1-1
Superseding:	JB/T 6122-1992
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	284.00
Delivery:	via email in 1~3 business day

本标准规定了破岩滚刀的型式、基本参数、技术要求、试验方法、检验规则、标志、包装和贮存。本标准适用于竖井钻机、工程钻机及隧道掘进机用滚刀、该滚刀主要用于钻凿矿山、军工、桥梁、水电站、港口、地质和城建等工程中的竖井、基桩孔及隧道。