Standard No.:	MT/T 291.1-1998
English Name:	Boom-type roadheader-The mspection specification of transimission gear box
Chinese Name:	悬壁式掘进机　传动齿轮箱检验规范
Chinese Classification:	D92    Mining equipment
Professional Classification:	MT    Professional Standard - Coal
ICS Classification:	73.100.10 73.100.10    Tunnelling and tubing equipment 73.100.10
Issued on:	1998-11-10
Implemented on:	1999-4-1
Status:	valid
Superseding:	MT 291.1-1992
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	224.00
Delivery:	via email in 1 business day

This standard specifies the inspection specifications of transmission gear box (hereinafter referred to as gear box) of boom-type roadheader (hereinafter referred to as roadheader).

This standard is applicable to gear boxes of cutting device, loading mechanism, traveling mechanism and hydraulic pump distributor of the roadheader.

Foreword i
1 Scope
2 Normative References
3 Inspection Classification and Test Items
4 Measurement Accuracy
5 Test Content, Method and Requirements
Appendix A (Normative) Failure Discrimination Standards of Roadheader Gear Teeth