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Basic requirements for rolling bearings on machine tool spindles
The design of the spindle and the rolling bearing of the CNC machine tool are very important for the overall performance and machining accuracy of the machine tool. At present, the design of the spindle and rolling bearing of the CNC machine tool is mainly based on several basic requirements:
1. ......
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Shearing machine operating procedures
Operation Regulations for Masonry Sawing Machine
Masonry sawing machines as the name suggests are machines designed for sawing through stone and masonry, such as marble or granite. The use of masonry sawing machines is beneficial for those who work with stone on a regular basis, because it makes ......
metal cleaning
Metal Cleaning
Metal cleaning is a crucial process in many different industries, as it ensures that any surfaces that are in contact with metal components remain clean and free from damaging corrosion and contaminants. From automotive components to electrical connections, metal cleaning is essent......
JGJ81-2002 Welding Technical Regulations for Architectural Steel Structures (Part 14)
Welding processes
Welding processes used in construction steel structures can be divided into three categories: manual welding, mechanical welding and self-shielding welding.
Manual welding is one of the most commonly used welding processes. It can be used for both mild steel and stainless steel......
GB 6654-1996 Size, Shape, Weight and Allowable Deviation of Steel Plates for Pressure Vessels
SYNOPSIS
This GB 6654–1996 specifies the dimensions, shapes, masses, and permissible deviations of steel plates used for pressure vessels. The plates that are covered by this document are those with a nominal thickness of 4.75 mm or more, and a nominal width of 600 mm or more. The characteristic......
GB/T 706-1988 Dimensions, shapes, weights and allowable deviations of hot-rolled I-beams
GB/T 706-1988 Hot Rolled Steel Angles Dimensions,Shape,Weight and Tolerances
This GB/T 706-1988 standard specifies the size, shape, weight, and tolerance for hot rolled steel angles. Hot rolled steel angles are widely used for many applications, such as various structures and engineering projects......
GB/T 9788-1988 Dimensions, shape, weight and allowable deviation of hot-rolled unequal angle steel
GB/T 9788-1988 Hot Rolled Unequal Angles: Dimensions, Shape, Mass and Permissible Deviations
This standard applies to hot rolled unequal angles for use in structural engineering.
The size tolerance for dimensions such as width (tolerance for the range of ± 0.4 to ± 5 mm) and length shall be i......
Manufacturing method and delivery status of seamless steel pipes for high-pressure chemical fertilizer equipment (GB 6479-2000)
GB 6479-2000
Seamless Steel Pipes for High Pressure Fertilizer Equipment Manufacture and Delivery State
This standard deals with the seamless steel pipes that are used in high pressure fertilizer equipment, specifying the requirements and delivery states of the pipes.
1. Scope
This standard spe......
Manufacturing method and delivery status of seamless steel tubes for structural purposes (GB/T 8162-1999)
Method for Manufacturing and Delivery Status of Seamless Steel Pipe for Structural Usage (GB/T 8162-1999)
Seamless steel pipes are extremely common in structural applications as they are used for critical components for axial and torsional loads. Therefore, it is incredibly important that the fab......
Surface quality and ultrasonic inspection of structural seamless steel pipes (GB/T 8162-1999)
Surface Quality and Ultrasonic Testing of Seamless Steel Pipe for Structural Use (GB/T 8162-1999)
Seamless steel pipe is widely used in the construction and other industries due to its good strength, corrosion resistance and high temperature resistance. To ensure the quality of high-pressure se......
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