MT/T 321-2025 Active Industry standards-Coal

MT/T 321-2025 Helical drum for shearers

Publish Date: 2025-06-30 Implement Date: 2025-12-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: MT/T 321-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Special equipment and supplies for coal mines

ICS Name: Other mining equipment

Publish Date: 2025-06-30

Implement Date: 2025-12-30

Publisher: 国家能源局

Technical Committee: 煤炭行业煤矿专用设备标准化技术委员会

Pages: 24 pages

Scope

本文件规定了采煤机螺旋滚筒（以下简称“滚筒”）的使用性能、结构、材料、质量等技术要求，描述了相应的取样、试验方法，规定了标志、包装、运输和贮存等方面的内容，同时给出了便于技术规定的分类。
本文件适用于煤矿地下开采用的滚筒。

Development Information

Drafting Units:

中煤科工集团上海有限公司、肯纳金属(徐州)有限公司、太重煤机有限公司、西安煤矿机械有限公司、中国矿业大学

Drafting Persons:

黄秋来、马子尧、刘送永、王保祥、徐文锋、赵友军、郭生龙、陶嵘、王灿、李庆亮、胡滔、江宁

Word Count: 27 Thousand words Pages: 24 pages

Replace the following standards

MT/T 321-2004 Drill-and-scrape rotor cylinder of the coal mining machine MT/T 140-2004 The connection method and parameters of the coal mining machine cylinder

Referenced Standards

GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 1591-1994 High strength low alloy structural steels GB/T 1591-2008 High strength low alloy structural steels GB/T 1591-2018 High strength low alloy structural steels GB/T 2651-1989 Method of tensile test for welded joint GB/T 2651-2008 Tensile test method on welded joints GB/T 2651-2023 Destructive tests on welds in metallic materials—Transverse tensile test GB/T 10111-1988 Methods for random sampling by utilizing dices of random number GB/T 10111-2008 Generation of random numbers and procedures applied to sampling inspection for product quality GB/T 11352-1989 Carbon steel castings for general engineering purposes GB/T 11352-2009 Carbon steel castings for general engineering purpose GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 15663.10-2008 Terms relating to coal mining—Part 10:Winning machinery and developing machinery AQ 1043-2007 Mining Product Safety Mark Identification JB/T 5000.3-2007 Heavy Machinery General Technical Conditions Part 3: Welding Parts MT 246-1996 coal mining cutting tooth MT/T 246-1991 coal mining cutter teeth MT/T 246-2006 Extraction equipment cutting bits MT 247-1996 coal mining gear base MT/T 247-1991 coal mining gear tooth base MT/T 247-2006 Drilling machine gear base MT/T 662-1997 Spraying nozzle for shearer—Outlet diameters and connecting threads MT/T 662-2007 Spraying nozzle for shearer-Outlet diameters and connecting threads

Related Standards

MT 644-1997 Active

MT 644-1997 Pneumatic support

Publish Date: 1997-11-10

MT 646-1997 Abolished

MT 646-1997 Frictional metal prop

Publish Date: 1997-11-10

MT 668-1997 Replaced

MT 668-1997 Technical Conditions for Flame-Retardant Steel-Mesh-Core Conveying Belt for Coal Mines

Publish Date: 1997-11-10

MT 669-1997 Active

MT 669-1997 Technical condition of fire-resistant steel-cable conveyor-belt in coal mining

Publish Date: 1997-11-10

MT/T 154.7-1997 Active

MT/T 154.7-1997 Model designation of separating equipment for coal

Publish Date: 1997-11-10

MT/T 660-1997 Active

MT/T 660-1997 Dimension series of vibrating screen for coal

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