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Beam Couplings for Automation & Linear Motion Applications

Ruland beam couplings are machined from a single piece of aluminum or stainless steel with multiple spiral (helical) cuts allowing for greater torque, torsional stiffness, and parallel misalignment capabilities than commodity style single beam couplings. Ruland manufactures 4- and 6-beam couplings. The 4-beam style (P- and MW-Series) has two sets of two beams allowing for greater flexibility and more compact lengths than 6-beam couplings. They are ideally suited for encoders or other positioning sensors commonly found connected to a servo motor in automation and linear systems. The 6-beam style (F-series) has two sets of three beams for higher torque and torsional stiffness capabilities. They can also be used in encoders where a longer length is needed as well as for light duty power transmission applications such as connecting a stepper motor to a lead screw. It is common to use a 6-beam coupling in an application with low to moderate acceleration/deceleration curves such as an inspection system due to their dampening capabilities.

Designers of linear and automation systems typically prefer aluminum beam couplings for their cost effectiveness and low inertia. Stainless steel beam couplings have higher torque capacity, but significantly increased inertia than aluminum types. Ruland manufactures beam couplings with a zero-backlash balanced design for smooth operation up to 6,000 RPM. They are available with clamp or set screw attachments in bore sizes ranging from 3/32” to 3/4” and 3mm to 20mm.

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24 Items

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  1. Ruland MWS15-3-3-A, Four Beam Coupling
    MWS15-3-3-A
    As low as $28.25 $41.43
    Ruland MWS15-3-3-A, 3mm x 3mm Four Beam Coupling, Aluminum, Set Screw Style, 15.0mm OD, 20.0mm Length
  2. Ruland MWS15-3-3-SS, Four Beam Coupling
    MWS15-3-3-SS
    As low as $71.28 $104.54
    Ruland MWS15-3-3-SS, 3mm x 3mm Four Beam Coupling, Stainless Steel, Set Screw Style, 15.0mm OD, 20.0mm Length
  3. Ruland MWS15-4-3-A, Four Beam Coupling
    MWS15-4-3-A
    As low as $28.25 $41.43
    Ruland MWS15-4-3-A, 4mm x 3mm Four Beam Coupling, Aluminum, Set Screw Style, 15.0mm OD, 20.0mm Length
  4. Ruland MWS15-4-3-SS, Four Beam Coupling
    MWS15-4-3-SS
    As low as $71.28 $104.54
    Ruland MWS15-4-3-SS, 4mm x 3mm Four Beam Coupling, Stainless Steel, Set Screw Style, 15.0mm OD, 20.0mm Length
  5. Ruland MWS15-4-4-A, Four Beam Coupling
    MWS15-4-4-A
    As low as $28.25 $41.43
    Ruland MWS15-4-4-A, 4mm x 4mm Four Beam Coupling, Aluminum, Set Screw Style, 15.0mm OD, 20.0mm Length
  6. Ruland MWS15-4-4-SS, Four Beam Coupling
    MWS15-4-4-SS
    As low as $71.28 $104.54
    Ruland MWS15-4-4-SS, 4mm x 4mm Four Beam Coupling, Stainless Steel, Set Screw Style, 15.0mm OD, 20.0mm Length
  7. Ruland MWS15-5-3-A, Four Beam Coupling
    MWS15-5-3-A
    As low as $28.25 $41.43
    Ruland MWS15-5-3-A, 5mm x 3mm Four Beam Coupling, Aluminum, Set Screw Style, 15.0mm OD, 20.0mm Length
  8. Ruland MWS15-5-3-SS, Four Beam Coupling
    MWS15-5-3-SS
    As low as $71.28 $104.54
    Ruland MWS15-5-3-SS, 5mm x 3mm Four Beam Coupling, Stainless Steel, Set Screw Style, 15.0mm OD, 20.0mm Length
  9. Ruland MWS15-5-4-A, Four Beam Coupling
    MWS15-5-4-A
    As low as $28.25 $41.43
    Ruland MWS15-5-4-A, 5mm x 4mm Four Beam Coupling, Aluminum, Set Screw Style, 15.0mm OD, 20.0mm Length
  10. Ruland MWS15-5-4-SS, Four Beam Coupling
    MWS15-5-4-SS
    As low as $71.28 $104.54
    Ruland MWS15-5-4-SS, 5mm x 4mm Four Beam Coupling, Stainless Steel, Set Screw Style, 15.0mm OD, 20.0mm Length
  11. Ruland MWS15-5-5-A, Four Beam Coupling
    MWS15-5-5-A
    As low as $28.25 $41.43
    Ruland MWS15-5-5-A, 5mm x 5mm Four Beam Coupling, Aluminum, Set Screw Style, 15.0mm OD, 20.0mm Length
  12. Ruland MWS15-5-5-SS, Four Beam Coupling
    MWS15-5-5-SS
    As low as $71.28 $104.54
    Ruland MWS15-5-5-SS, 5mm x 5mm Four Beam Coupling, Stainless Steel, Set Screw Style, 15.0mm OD, 20.0mm Length
  13. Ruland MWS20-4-4-A, Four Beam Coupling
    MWS20-4-4-A
    As low as $31.18 $45.72
    Ruland MWS20-4-4-A, 4mm x 4mm Four Beam Coupling, Aluminum, Set Screw Style, 20.0mm OD, 20.0mm Length
  14. Ruland MWS20-4-4-SS, Four Beam Coupling
    MWS20-4-4-SS
    As low as $78.92 $115.75
    Ruland MWS20-4-4-SS, 4mm x 4mm Four Beam Coupling, Stainless Steel, Set Screw Style, 20.0mm OD, 20.0mm Length
  15. Ruland MWS20-5-4-A, Four Beam Coupling
    MWS20-5-4-A
    As low as $31.18 $45.72
    Ruland MWS20-5-4-A, 5mm x 4mm Four Beam Coupling, Aluminum, Set Screw Style, 20.0mm OD, 20.0mm Length
  16. Ruland MWS20-5-4-SS, Four Beam Coupling
    MWS20-5-4-SS
    As low as $78.92 $115.75
    Ruland MWS20-5-4-SS, 5mm x 4mm Four Beam Coupling, Stainless Steel, Set Screw Style, 20.0mm OD, 20.0mm Length
  17. Ruland MWS20-5-5-A, Four Beam Coupling
    MWS20-5-5-A
    As low as $31.18 $45.72
    Ruland MWS20-5-5-A, 5mm x 5mm Four Beam Coupling, Aluminum, Set Screw Style, 20.0mm OD, 20.0mm Length
  18. Ruland MWS20-5-5-SS, Four Beam Coupling
    MWS20-5-5-SS
    As low as $78.92 $115.75
    Ruland MWS20-5-5-SS, 5mm x 5mm Four Beam Coupling, Stainless Steel, Set Screw Style, 20.0mm OD, 20.0mm Length
  19. Ruland MWS20-6-4-A, Four Beam Coupling
    MWS20-6-4-A
    As low as $31.18 $45.72
    Ruland MWS20-6-4-A, 6mm x 4mm Four Beam Coupling, Aluminum, Set Screw Style, 20.0mm OD, 20.0mm Length
  20. Ruland MWS20-6-4-SS, Four Beam Coupling
    MWS20-6-4-SS
    As low as $78.92 $115.75
    Ruland MWS20-6-4-SS, 6mm x 4mm Four Beam Coupling, Stainless Steel, Set Screw Style, 20.0mm OD, 20.0mm Length
  21. Ruland MWS20-6-5-A, Four Beam Coupling
    MWS20-6-5-A
    As low as $31.18 $45.72
    Ruland MWS20-6-5-A, 6mm x 5mm Four Beam Coupling, Aluminum, Set Screw Style, 20.0mm OD, 20.0mm Length
  22. Ruland MWS20-6-5-SS, Four Beam Coupling
    MWS20-6-5-SS
    As low as $78.92 $115.75
    Ruland MWS20-6-5-SS, 6mm x 5mm Four Beam Coupling, Stainless Steel, Set Screw Style, 20.0mm OD, 20.0mm Length
  23. Ruland MWS20-6-6-A, Four Beam Coupling
    MWS20-6-6-A
    As low as $31.18 $45.72
    Ruland MWS20-6-6-A, 6mm x 6mm Four Beam Coupling, Aluminum, Set Screw Style, 20.0mm OD, 20.0mm Length
  24. Ruland MWS20-6-6-SS, Four Beam Coupling
    MWS20-6-6-SS
    As low as $78.92 $115.75
    Ruland MWS20-6-6-SS, 6mm x 6mm Four Beam Coupling, Stainless Steel, Set Screw Style, 20.0mm OD, 20.0mm Length
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