Couplings | Flexible Couplings | RS
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    Flexible Couplings

    Couplings, or couplers, are commonly used in a variety of motion control applications, from aviation and laboratory equipment to robotics, and medical devices. A coupling is a mechanical element that connects two shafts together to transmit power and movement. Couplers can be flexible or rigid.

    Which Coupling Type should I choose?

    There are many different coupling types, shapes and sizes, the right choice of coupler will be dependent upon your applications and specifications.

    When deciding which shaft coupler is best, many considerations need to be factored in to ensure the correct coupling is used to reduce instances of coupler failure, improve system capability, and reduce system issues.

    Rigid couplings are used where precise alignment is of paramount as there is no movement between the shafts with this coupler type.

    Flexible couplings are used where a degree of motion is needed between the shafts. These couplings can improve the performance of a machine and reduce wear and tear. They are easy to install and have a long-life span. The types of couplings that sit within the flexible couplings area are gear couplings, Oldham couplings and universal joint couplings.

    Gear couplings are flexible and capable of high torque transmission between shafts that are not collinear, because of this they are frequently use on large industrial machinery where high power applications are needed.

    Bellow couplings can accommodate all forms of misalignment and have a balanced design for reduced vibration at high speeds. They are best suited for applications where precise positioning is required, such as in material handling or general automation and assembly.

    Oldham couplings are used to connect parallel shafts that are slightly out of line, this kind of parallel misalignment can occur where power transmission is needed at different elevations. The Oldham coupling consists of three discs, connected to either side of the drive, and the third sandwiched in between.

    Jaw couplings are made from flexible materials. Due to this, they can accommodate any misalignment caused by thermal expansion or manufacturing inefficiencies and are usually found in lower power transmission applications such as the electrical motor and internal combustion systems. They work by preventing shock loading, the sudden and drastic increase of load in a system.

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    903 Products showing for Flexible Couplings

    Ruland
    5mm
    Beam Coupling
    15mm
    20mm
    -
    0.81Nm
    -
    -
    0.2mm
    0.12mm
    -
    -
    SKF
    -
    FRC Coupling
    130mm
    53mm
    -
    720Nm
    -
    -
    -
    -
    -
    -
    -
    Huco
    5mm
    Bellows Coupling
    20mm
    31mm
    -
    2.33Nm
    -
    -
    0.06mm
    0.35mm
    -
    -
    Ruland
    6mm
    Oldham Coupling
    13mm
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Rexnord
    48mm
    Beam Coupling
    120mm
    -
    -
    105Nm
    -
    -
    -
    -
    -
    -
    -
    Ruland
    16mm
    Beam Coupling
    38mm
    57.2mm
    -
    -
    -
    -
    0.76mm
    0.38mm
    -
    -
    Ruland
    5mm
    Oldham Coupling
    13mm
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    SKF
    111mm
    Gear Coupling
    115mm
    240mm
    -
    12100Nm
    -
    -
    -
    -
    -
    -
    -
    Huco
    10mm
    Beam Coupling
    25mm
    31.8mm
    -
    6Nm
    -
    -
    0.12mm
    -
    -
    -
    Ruland
    10mm
    Jaw Coupling
    25mm
    35.3mm
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Huco
    16mm
    Bellows Coupling
    45mm
    63mm
    -
    8Nm
    -
    -
    1.5°
    0.2mm
    0.5mm
    -
    -
    Ruland
    16mm
    MultiBeam 6 Beam
    38mm
    57.2mm
    -
    -
    -
    -
    0.76mm
    0.38mm
    -
    -
    Huco
    8mm
    Beam Coupling
    25mm
    31.8mm
    -
    4Nm
    -
    -
    0.12mm
    -
    -
    -
    SKF
    55mm
    FX Keyless Bushing
    85mm
    33.5mm
    Clamping
    2270Nm
    -
    -
    -
    -
    -
    -
    -
    Ruland
    6mm
    Oldham Coupling
    25mm
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Huco
    42mm
    Bellows Coupling
    82mm
    91mm
    -
    150Nm
    -
    -
    1.5°
    0.2mm
    0.5mm
    -
    -
    Ruland
    4mm
    Oldham Coupling
    19mm
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Huco
    5mm
    Bellows Coupling
    16mm
    21mm
    -
    0.5Nm
    -
    -
    0.1mm
    0.2mm
    -
    -
    Huco
    19mm
    Bellows Coupling
    45mm
    63mm
    -
    18Nm
    -
    -
    1.5°
    0.2mm
    0.5mm
    -
    -
    Ruland
    20mm
    Oldham Coupling
    51mm
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
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