Why Do The Mechanics Use Shaft Coupling Bearing?

Why Do The Mechanics Use Shaft Coupling Bearing?

A mechanical element that transmits power by joining a motor’s driven and driving shots is known as shaft coupling. EK Shaft coupling bearing (ลูกปืนจับยึดปลายเพลา EK, which is a term in Thai) allows technical flexibility and provides adequate tolerance of shaft inaccuracy. As a result, this connection flexibility helps lessen equipment vibration, uneven bearing wear, and other mechanical issues brought on by misalignment.

For significant power transmissions, such as wind and hydraulic power machines, shaft couplings are offered in two sizes: small for FA (factory automation) and big casting.

Shaft couplings are frequently used in mechanisms requiring the transmission of power, including vehicles, generators, turbines, pumps, engines, and machines. For various working situations, there are many types of shaft couplings.

Functions Of Shaft Coupling

Power Transmission:

Shaft couplings’ are mainly used to transmit power between two shafts. The driveshaft transmits power to the driven shaft by installing a coupling between them. A power source rotates the driveshaft (maybe electrical or mechanical). The powered shaft is subsequently made easier to rotate by the shaft coupling. There is no need for a long, single-piece shaft because of shaft couplings. Using a one-piece shaft might result in errors and is costly and cumbersome to carry, assemble and maintain. A one-piece shaft needs to be replaced entirely if it breaks. Due to this, using two-coupled shafts is a more sensible choice.

Accommodation Of Shaft Positioning And Misalignment Errors:

High precision alignment and placement of the driven and drive shafts are time-consuming and difficult. Even though both shafts have identical specifications, the alignment and shaft positioning precision can still be impacted by machining mistakes. Shaft misalignments come in several shapes and are frequently found in combination. When the centerlines of the shafts are parallel but not precisely aligned, this is known as a parallel or radial misalignment. The lines of the shafts do not connect at right angles in an angular misalignment; instead, they are not parallel.

Protection To The Overall System:

Shaft couplings shield the nearby parts in several cases. They reduce vibration, compromising the precision of other parts like ball screws and actuators. They reduce the impact of shock loads or torque changes when applied to different shafts. The shaft connection will stop the impact from reaching the equipment if an external force operates on the system. It is significant because the impact might harm the machinery. Shaft couplings stop heat from moving from the power source to the driven shaft. The surrounding components move out of alignment due to thermal expansion, reducing their accuracy.

Fleming Mary

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