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Common identification methods for bearings
Common Identification Methods for Bearings
Bearings are important parts of mechanical transmission. Therefore, it is important to properly identify the bearing used in the equipment. The correct identification method needs to be selected according to the bearing condition. The following are some ......
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Introduction to the standard of "Technical Conditions for Pipeline Valves"
Pipeline Valves Technical Requirements
Pipeline valves refer to the valve fittings used in the pipeline system to control the flow, pressure, temperature and liquid level of the medium. Commonly used valves are gate valves, globe valves, check valves, butterfly valves, ball valves, plug valves an......
GB 5773-86 Performance Test Method for Positive Displacement Refrigeration Compressors
，文章的主要内容是要介绍GB 5773-86容积式制冷压缩机的性能试验方法，要包含性能试验环境要求，测量设备，测量指标及试验步骤，请有相关知识的人帮助写。
Performance Test Method of Volume Refrigeration Compressor GB 5773-86
GB 5773-86 is a national standard which aims to define the specification and perfor......
GBll638—2003 dissolved acetylene cylinders
Liquefied Petroleum Gas (LPG) is a combustible gas that can be used for cooking, heating, lighting, and other applications. It is a safe, efficient and clean energy source that has been in use for decades in many parts of the world. One of the most well-known LPG products is the 638-2003 Dissolved......
GB/T 6206-1999 Industrial acetone
GB/T 6206-1999 Acetone
GB 6206-1999, Industrial acetone, was issued on April 20th, 1999, and effective October 1, 1999. It is a national standard formulated by the Standardization Technical Committee of dye and organic and mineral substances under the China National Standardization Management Com......
Pump noise measurement and evaluation method (national standard)
Measurement and Evaluation of Noise from Pumps
Introduction
The measurement and evaluation of noise from pumps is a critical element of controlling noise pollution in a variety of industrial and commercial environments. While most standards for the measurement and evaluation of noise from pumps ......
Material physical performance parameters
Thermal Conductivity of Materials Thermal conductivity is an important property of materials that no engineer or physicist can ignore. It deals with the measure of the ability of materials to conduct heat, expressed in watts per meter degree kelvin (W/mK).
Thermal conductivity is a crucial paramet......
Gear grinding machine technical parameters
Introduction
Fourth generation gear grinding machines are emerging technologies currently being used in the industry. They are revolutionizing how gear grinding is accomplished and the results that can be achieved. The machine utilizes an infinite number of grinding wheels to grind a gear in one p......
Mechanical Industry Standard Catalog
Machinery Industry Standard Catalog
As the Industrial Revolution continues to transform the world, modern industry relies heavily on machines for efficient production. Machines are used to do a wide variety of tasks, from manufacturing products to providing safety and security systems or monitori......
Forging Technology: Alloy Steel Forgings and Die Design
Forging Technology: Alloy Steel Forgings and Die Design
Forging is a metal forming process in which a metal piece is heated, then deformed and compressed into the desired shape using a forging press, hammer or other metal removal process. Forging is usually used to produce components with intrica......
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