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MAGPOWR coupling

MAGPOWR coupling features

Due to simple structure, low cost, and ability to transmit large torque, it is often used when rotational speed is low, there is no impact, shaft rigidity is high, and alignment is good. Flange couplings (also called flanged couplings) use bolts to connect two flange-type half-couplings; the two half-couplings are respectively connected to the two shafts with keys to achieve shaft connection, transmitting torque and motion. Flange couplings have a simple structure, are easy to manufacture, have lower costs, operate reliably, and are simple to assemble, disassemble, and maintain. They transmit large torque and can ensure high alignment accuracy between the two shafts. They are generally used for shaft transmissions with stable loads, high speeds, or high transmission precision requirements. Flange couplings do not have radial, axial, or angular compensation capabilities. If alignment accuracy of the connected shafts cannot be ensured during use, the service life, transmission precision, and transmission efficiency of the coupling will be reduced, causing vibration and noise. For rigid couplings, depending on the magnitude of the transmitted torque, all bolts on the flange may be fitted bolts, or half may be fitted bolts and the other half ordinary bolts. Rigid couplings are lightweight, have low inertia and extremely high sensitivity. In practical applications, rigid couplings are simple to maintain and resistant to oil and corrosion. In high-speed environments, they can compensate for relative displacement caused by high-speed operation. Of course, if relative displacement can be successfully controlled, they can also perform excellently in servo systems. [1 Structural forms of rigid couplings: A rigid coupling consists of two half-couplings with grooves on their end faces and an intermediate disc with teeth on both sides. Since the teeth can slide in the grooves, it can compensate for relative displacement between the two shafts during installation and operation. The rigid coupling also has two shaft sleeves and a central steel shell, where the central steel shell is a torque-transmitting element. Above is the basic knowledge about rigid couplings shared with you, hoping to help users who are confused in this area. If you have any questions, please contact our factory, and we will try to help you solve them.

MAGPOWR coupling relative motion

Rigid couplings are composed of rigid force-transmitting components, and there can be no relative motion between the connecting parts. Therefore, they do not have the ability to compensate for relative offset between the two shaft axes. They are only suitable for occasions where the two connected shafts can be strictly aligned during installation and no relative offset occurs during operation. Flange couplings have no elastic elements and do not have vibration damping and buffering functions. They are generally only suitable for working conditions with stable loads and no impact vibration. Rigid couplings were formerly known as fixed rigid couplings, including flange couplings, radial key flange couplings, floating shaft couplings, clamp shell couplings, sleeve couplings, etc. Rigid couplings generally have simple structures and low manufacturing costs. When selecting a rigid coupling, try to minimize the alignment error of the axes of the two connected shafts. To reduce the impact of additional loads on the coupling, try to minimize the distance between the coupling and the bearing. Flange couplings (also called flanged couplings) use bolts to connect two flange-type half-couplings. Rigid couplings have two main structural forms: (1) relying on fitted bolts to achieve alignment of the two shafts and relying on the bolt shank to withstand compression and shear to transmit torque; (2) relying on the mating of a shoulder on one half-coupling with a groove on the other half-coupling for alignment. The bolts connecting the two half-couplings can use ordinary bolts of grade A and grade B, and the torque is transmitted by the frictional torque of the joint surface between the two half-couplings. The material of rigid couplings can be gray cast iron or carbon steel. Cast steel or forged steel should be used under heavy loads or when the circumferential speed is greater than 30 m/s.

MAGPOWR coupling disassembly method

Professional rigid coupling manufacturers teach you the correct rigid coupling disassembly method. Before disassembling the rigid coupling, make some marks on the mutual matching positions of the various components of the coupling as a reference for reassembly. For LingSi couplings used in high-speed machines, the connecting bolts are weighed, and the marks must be clear and not mistaken. When disassembling the coupling, generally remove the connecting bolts first. Due to the deposition of a layer of oil sludge, corrosion products, and other deposits on the thread surface, bolts are not easy to disassemble, especially for severely rusted bolts, which are very difficult to disassemble. [Appropriate tools must be selected for disassembling connecting bolts, because the stress surfaces of the external hexagon or internal hexagon of the bolts have slipped and been damaged, making disassembly more difficult. For bolts that are already rusted or have a lot of oil sludge, solvents (such as rust removers) are often sprayed on the connection between the bolt and the nut, allowing the solvent to penetrate into the threads, which makes it easier to disassemble the rigid coupling.

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