GB/T 35060.2-2018 General specification of shearer—Part 2:Cutting transmission unit

GB/T 35060.1-2018 General specification of shearer—Part 1:Complete machine GB/T 35060.3-2018 General specification of shearer—Part 3:Haulage driving unit

GB/T 7233.1-2009 Steel castings—Ultrasonic examination—Part 1:Steel castings for general purposes GB/T 11352-2009 Carbon steel castings for general engineering purpose GB/T 3480.5-2008 Calculation of load capacity of spur and helical gears—Part 5:Strength and quality of materials GB/T 3480.5-2021 Calculation of load capacity of spur and helical gears—Part 5:Strength and quality of materials GB/T 9450-2005 Steels—Determination and verification of the depth of carburized and hardened cases 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 11354-1989 Steel-iron parts—Determination of nitrided case depth and metallographic examination of nitriding structure GB/T 11354-2005 Determination of nitrided case depth and metallographic microstructure examination for steel and iron parts GB/T 11365-1989 Accuracy of bevel and hypoid gears GB/T 11365-2019 Bevel gears—ISO system of accuracy 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 13924-1992 Inspection code for accuracy of involute cylindrical gears GB/T 13924-2008 Inspection code for accuracy of involute cylindrical gears GB/T 35060.1-2018 General specification of shearer—Part 1:Complete machine JB/T 5943-2018 Engineering Machinery Welding Components General Technical Specification JB/T 8831-2001 The lubrication oil for industrial closed-gear should be selected based on several factors, including the type of gear, its operating conditions, and the expected wear and tear. Generally, the following are the most commonly used oils for closed-gear: mineral oil, grease, and synthetic lubricants. When selecting the appropriate lubricant for your specific application, it is recommended to consult with a professional who is familiar with the equipment you are using MT/T 784-2011 Drilling machine using DO type floating oil seal for coal mining machinery JB/T 5000.10-1998 Heavy Machinery General Technical Specification Assembly JB/T 5000.10-2007 Heavy machinery general technical conditions - Part 10:Assembly JB/T 9172-1999 Gear nitriding, nitrogen carbon simultaneous nitriding process and quality control JB/T 5943-1991 General technical specification for welding parts of construction machinery JB/T 8831-2024 Lubricant selection method for closed gears in industrial environment JB/T 8831-2024 GB/T 9450-2025 Determination of the case hardening depth for steel GB/T 11354-2025 Determination of nitriding hardness depth and metallographic examination for steel