Standard No.:	JB/T 8905-2018
English Name:	Three-point support gearboxes for cranes
Chinese Name:	起重机用三支点减速器
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	Ministry of Industry and Information Technology
Issued on:	2018-04-30
Implemented on:	2018-12-1
Status:	valid
Superseding:	JB/T 8905.1-1999 Three-point support gearboxes for cranes
Language:	English
File Format:	PDF
Word Count:	16000 words
Price(USD):	597.00
Delivery:	via email in 1~5 business day

本标准规定了起重机用三支点减速器的型式、基本参数与尺寸、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QJR、QJS和QJRS三个系列的外啮合渐开线斜齿圆柱齿轮减速器，该减速器主要用于起重机的各有关机构，也可用于运输、冶金、矿山、化工、轻工等各种机械设备的传动机构。