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Flange type should be selected when connecting with flange; long-distance transmission, when the axial size of the connection is large, it should be connected to the middle or middle sleeve type. Among them, sector-shaped elastic couplings and elastic live couplings are one of the reasonable choices to replace toothed couplings.15109. Select the type of coupling according to the comprehensive factors of the prime mover type and working load type,

working speed, transmission accuracy, two-axis offset, temperature, humidity, working environment and other comprehensive factors.4555. Some standard couplings are not only new and high-performance in China, but also have advanced levels in the world, such as diaphragm couplings.2134.

According to a series of shortcomings such as lack of vibration reduction and cushioning functions, lubrication and sealing, periodic maintenance, complicated manufacturing process and high cost, the drum-type gear coupling should be engaged with all teeth (point contact) due to manufacturing errors In the miniature deep groove ball bearings manufacturers presence of, it is impossible for all teeth to mesh, and the large carrying capacity is the theoretical value.1.

National patented couplings such as flexible live pin couplings and sector block elastic couplings absorb the advantages of many old-style elastic couplings and overcome their respective shortcomings. Generally, key coupling is used. The coupling T is inversely proportional to n, so the low-speed end T is larger than the high-speed end T.540 42 . In formulating standards, strict procedures are generally adopted to ensure the quality of the standards. For example, gear couplings are widely used in the shafting transmission of metallurgical machinery and heavy machinery.955 5660 63 65 70142107173671