Search results for keyword: sulfide
Proper lubrication of cross shaft universal joints
Introduction
A universal joint (U-joint) is an essential component of many machines and is used in mechanical drives and automotive components to transfer power from one shaft to another while allowing the two shafts to be at different angles. The U-joint allows for varying angles of rotation bet......
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GB/T7445-1995 pure hydrogen, high-purity hydrogen and ultra-pure hydrogen
GB/T 7445-1995 Hydrogen, High Purity Hydrogen and Ultra-high Purity Hydrogen
1 Scope
This standard specifies the requirements, sampling and chemical and physical testing of hydrogen, high purity hydrogen, and ultra-high purity hydrogen.
2 Normative References
The following documents are essent......
HJ/T 60-2000 Determination of sulfide in water by iodometric method
translation: Determination of sulfide in Water Quality According to HJ/T 60-2000 Iodometry Method
sulfide is an important environmental pollutant and its concentrations must be determined to assess water quality. HJ/T 60-2000 iodometry method is a reliable and widely-used qualitative method used t......
YS/T318—1997 copper concentrate
Copper Ore
Copper ore is one of the most important minerals used in industry. It is used in various applications from electrical wires and plumbing pipes to jewelry and decorative artwork. Copper ore is mined from the ground and refined through various processes that reduce its impurities. Copper......
Failure Analysis of Stainless Steel Pitting Corrosion
Stainless Steel Point Corrosion Failure Analysis
Abstract
Stainless steel is a very popular and versatile material in many industries. It is used for various applications due to its corrosion resistance, strength and low cost. However, due to its alloy composition, stainless steel is susceptible......
Grease lubrication of bearings in wet environments
Grease Lubrication of Bearings in a Humid Environment
Bearing life is one of the key challenges facing machinery designers, and lubrication is a critical part of bearing life. Grease is simply oil thickened with a thickener to produce a stable mass. It is often blended with additives, such as ext......
Automotive oil additives
Car Fuel Additives
Fuel additives for vehicles have become increasingly popular lately. Used in both cars and trucks, these chemical compounds work to improve how cleanly and reliably the vehicle runs, as well as cleaning the engine and helping with efficiency. When fuel is not processed correctl......
Solid Lubricated Bearings
Solid Lubricant Bearings
Solid lubricant bearings reduce friction and increase system uptime under extreme temperature and load conditions. Solid lubricant bearings, also known as self-lubricating bearings, are used in a variety of applications that experience extreme temperatures or loads, such ......
Common problems of rolling bearing installation and use
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Roller Bearings Installation and Common Issues
Roller bearings are one of the most common components of the mechanical sector. They are commonly installed in the powertrain, agricultural, and industrial machinery, as well as in aircraft, medical, and naval equipment. Roller bearings are genera......
Bearing shell structure and bearing material of plain bearing
Sliding Bearing and its Shaft Washer Structure and Bearing Materials
Sliding bearings are a type of rolling bearing which utilize small rectangular bars, known as shaft washers, and small metal balls that rotate across the surfaces of the washers. The shaft washers are typically made from metal, ......
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