Working principle of the expansion sleeve The function of the expansion sleeve

The working principle of the expansion sleeve, expansion sleeve is also called expansion sleeve. It is a keyless connection device between the shaft and the sleeve. It is a modern and advanced mechanical base part. The device can apply clamping force to the sleeve from the outside, so that a mechanical compression fit is formed between the shaft and the shaft, and the torque is transmitted, and the expansion sleeve itself does not transmit any moment and load.
When the expansion sleeve is fixed to the hub (hub) in place. Tighten the bolts at the given torque and the tapered inner ring applies radial forces to the sleeve. This forced frictional connection can safely transmit large torques and loads.
When the expansion sleeve is clamped, the pressure of each mating surface is very large and completely sealed to avoid corrosion of the mating surface. When disassembling, loosen the bolts, and the mating surface will automatically relax. The sleeve and cone will automatically return to the original size.
The installation experts recommend this device because it is easy to disassemble and install, and it can be widely applied to medium and low speed transmission torque.
The expansion sleeve is a keyless coupling device. The principle and purpose of the expansion sleeve is through the action of high-strength tension bolts. A huge hold force is generated between the inner ring and the shaft and between the outer ring and the hub to realize the machine part and the shaft. The keyless connection. When subjected to load, the combined pressure of the expansion sleeve and the machine element and the shaft and the accompanying frictional force transfer the torque, the axial force, or the composite load of both. Expansion sleeve connection mainly has the following advantages: high centering accuracy; easy installation/adjustment/disassembly; high strength, stable and reliable connection; can protect equipment from damage when overloaded, especially suitable for transferring heavy loads. Widely used in heavy machinery, wind power, packaging machinery, printing machinery, CNC machine tools, automation equipment and other fields.

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