German AA 15 coupling, AA 15 model, AA 15 price

AA 15 coupling utilizes its mechanism characteristics to enable continuous rotation of the two connected shafts and reliably transmit torque and motion, even when the shafts are not on the same axis and there is an axis angle. The greatest feature of the universal coupling is its large angular compensation capability, compact structure, and high transmission efficiency. The angle between the two axes of universal couplings with different structural forms varies, generally between 5° and 45°.

AA 15 coupling drive system

Diaphragm coupling shaft drive system: Shaft drive usually connects the driving and driven shafts with one or several diaphragm couplings to form a shaft drive system for transmitting rotation or motion. Diaphragm couplings are mainly used for shaft connections between motors, gearboxes, and working machines. Their bore shape, connection type, and dimensions mainly depend on the type and size of the connected shafts. During product design, shafts are generally designed according to international standards for cylindrical and conical shaft depths; the shaft depth standard is aimed at shaft design. For various types of metal diaphragm couplings, during structural and series design, the bore range (maximum and minimum bores) and bore length for each specification of metal diaphragm coupling are determined based on the transmitted torque, the structure of the diaphragm coupling, and the hub strength. Each specification has only one bore length. Abroad, manufacturers of diaphragm couplings specify only one bore length for each specification in different diaphragm coupling standards. Due to the misleading influence of GB/T3852, China's diaphragm coupling product standards correspond to multiple bore lengths for each specification as the bore changes. When converting foreign diaphragm coupling standards into Chinese standards, multiple bore lengths were also added, as if this were the only way to achieve complete conversion.

AA 15 coupling application range

Widely used in shaft drives of various mechanical devices, such as water pumps (especially high-power and chemical pumps), fans, compressors, hydraulic machinery, petroleum machinery, printing machinery, textile machinery, chemical machinery, mining machinery, metallurgical machinery, aviation (helicopters), high-speed power transmission systems of ships, steam turbines, piston-type power machinery transmission systems, tracked vehicles, and high-speed, high-power mechanical transmission systems of generator sets. After dynamic balancing, application in high-speed shaft drives has become quite common.

AA 15 coupling precautions for use

1) Products with diaphragms have sharp edges that may cause injury; it is recommended to wear thick gloves during installation. 2) Please install protective covers or other devices around the coupling to ensure safety. 3) If the shaft misalignment exceeds the allowable value during installation, the coupling may deform, leading to damage or shortened service life. 4) The allowable shaft misalignment of the coupling includes radial, angular, and axial deviations. During installation, please adjust to ensure that the shaft misalignment is within the allowable values specified in the corresponding product catalog. 5) When multiple types of misalignment occur simultaneously, the corresponding allowable values should be halved. 6) To extend the service life of the coupling, it is recommended to set the shaft misalignment to within 1/3 of the allowable value. 7) Tighten the screws after inserting the installation shaft; otherwise, the coupling will deform. When tightening screws, please use a torque wrench and do not use screws other than those provided as accessories. 8) If abnormal noise occurs during operation, stop immediately and check the installation accuracy, loose screws, etc. It is recommended to apply adhesive to the outer surface of the screws after installation and debugging to enhance protection.

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