Standard No.:	JB/T 6122-2019
English Name:	Shaft drilling cutters
Chinese Name:	破岩滚刀
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	Ministry of Industry and Information Technology
Issued on:	2019-05-02
Implemented on:	2020-1-1
Status:	valid
Superseding:	JB/T 6122-2004 Shaft drilling cutters
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	210.00
Delivery:	via email in 1~3 business day

本标准规定了破岩滚刀的型式与基本参数、技术要求、试验方法、检验规则、标志、包装、运输和贮存。
本标准适用于竖井钻机、工程钻机、反井钻机及隧道掘进机（TBM、盾构机）用滚刀，也适用于钻凿矿山、桥梁、港口、地质、城建、铁路以及地铁等工程中矿井、基桩孔及隧道的钻进施工装备用破岩滚刀。