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The diameter of the diaphragm coupling is usually larger than that of the gear coupling.So, can the diaphragm coupling fit into the existing coupling cover?When making improvements, should the wind tunnel effect be considered?When formulating the improvement specification, it is necessary to include an inspection of the size of the coupling cover.When the radial clearance of the outer diameter of the proposed diaphragm coupling is less than 1 inch (25 mm), the wind tunnel effect calculation should also be performed.The coupling manufacturer has developed a computer program for calculating the temperature rise in the coupling cover.In addition, the ventilation holes should be improved so that the coupling cover can discharge the generated heat.
Plum blossom elastic couplings are mainly made of cast special steel.There are many kinds of alloy cast steels refined to meet special needs, usually containing one or more high amount of alloying elements to obtain certain special properties.For example, high manganese steel containing 11% to 14% manganese is resistant to impact wear and is mostly used for wear-resistant parts of mining machinery and construction machinery; various stainless steels with chromium or chromium-nickel as the main alloying elements are used in corrosion or 650 Parts that work under high temperature conditions above ℃, such as chemical valve bodies, pumps, containers, or steam turbine shells in large-capacity power stations.
The material of plum coupling is generally divided into No. 35 cast steel and No. 45 cast steel. The main difference lies in the difference in density and hardness level, commonly known as the difference in steel grade.Cast steel with carbon as the main alloying element and a small amount of other elements.Cast low-carbon steels with carbon content less than 0.2%, cast medium-carbon steels with carbon content of 0.2% to 0.5%, and cast high-carbon steels with carbon content greater than 0.5%.As the carbon content increases, the strength and hardness of cast carbon steel increase.Cast carbon steel has high strength, plasticity and toughness, and low cost. It is used in heavy machinery to manufacture parts that bear heavy loads, such as steel rolling mill stands, hydraulic press bases, etc.; it is used to manufacture heavy stress on railway vehicles Parts that are subject to impact are bolsters, side frames, wheels, and couplers.
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