MT/T 1139-2011
Boom-type roadheader.Reducing device of cutting mechanism (English Version)

Standard No.

MT/T 1139-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

Professional Standard - Coal

Latest

MT/T 1139-2011

Scope

This standard specifies the scope, normative reference documents, requirements, test methods, inspection rules, marking, packaging, transportation and storage of the cantilever tunnel boring machine cutting mechanis reducer. This standard is applicable to the cutting mechanis reducer of cantilever tunnel boring machines operating in gas, coal dust or other explosive mixed gases. It is also applicable to the cutting mechanis reducer of this type of tunnel boring machine operating in other engineering tunnels.

MT/T 1139-2011 Referenced Document

• GB 5903 Gear oils for industrial enclosed gear system*， 2011-12-05 Update
• GB/T 10095.1-2008 Cylindrical gears.System of accuracy.Part 1:Definitions and allowable values of deviations relevant to corresponding flanks of gear teech
• GB/T 10095.2-2008 Cylindrical gears.System of accuracy.Part 1:Definitions and allowable values of deviations relevant to radial composite deviations and runout information
• GB/T 11365-1989 Accuracy of bevel and hypoid gears
• GB/T 12369 Basic tooth profile of straight and skew bevel gears
• GB/T 12759 Double-circular-arc tooth profile of basic rack for cylindrical gears
• GB/T 13264-2008 Sampling procedures and tables for small lot inspection by attributes for percent nonconforming items
• GB/T 13306 Plates*， 2011-05-12 Update
• GB/T 1356 Cylindrical gears for general and heavy engineering--Standard basic rack tooth profile
• GB/T 3077 Alloy structure steels*， 2015-12-10 Update
• GB/T 3098.1 Mechanical properties of fasteners.Blots, screws and studs
• GB/T 3141 Industrial liquid lubricants-ISO viscosity classification
• GB/T 3323-2005 Radiographic examination of fusion welded joints in metallic materials
• GB/T 3478.1 Straight cylindrical involute splines.Metric module,side fit.Part 1:Generalities
• GB/T 3768 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane*， 2017-12-29 Update
• GB/T 9439 Gray cast iron parts*， 2023-09-07 Update
• JB/T 6502 NGW planetary gear reducer*， 2015-10-01 Update
• JB/T 7929-1999 Cleanliness for gear drive units
• JB/T 8831 Methods for oil selection of industrial enclosed gears
• MT/T 291.1-1998 Boom.type roadheader.The mspection specificaion of transimission gear box

MT/T 1139-2011 history

• 2011 MT/T 1139-2011 Boom-type roadheader.Reducing device of cutting mechanism