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    Beam Couplings for Robotic Systems

    Ruland beam couplings are manufactured from a single piece of aluminum or stainless steel with a multiple beam, or spiral, design that allows for greater torque, torsional stiffness, and misalignment accommodation compared to commodity style single beam couplings. Medical and surgical robots with frequent stops, starts, and reverses often prioritize light components and responsiveness and have low to moderate torque requirements, making beam couplings a good choice.
    Ruland’s 4-beam style couplings have two sets of two beams allowing for increased flexibility and a more compact size compared to 6-beam couplings. This style is often used in encoders or other positioning sensors found connected to servo motors in robotic systems. The 6-beam style has two sets of three beams for higher torque and torsional stiffness capabilities. Designers frequently use 6-beam couplings in robotic vision systems for their dampening capabilities.

    Ruland beam couplings are zero-backlash, accurate, and can accommodate all forms of misalignment making them ideal for a variety of applications. Designers prefer aluminum beam couplings for their cost effectiveness and low inertia. Stainless steel beam couplings are capable of handling higher torque than aluminum beam couplings, but their increased mass leads to significantly greater inertia. Ruland beam couplings are available with clamp or set screw attachments in bore sizes from 3/32” to ¾” and 3mm to 20mm.

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    Items 1-24 of 37

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    1. Ruland MWC30-1/2"-1/2"-A, Four Beam Coupling
      MWC30-1/2"-1/2"-A
      As low as $59.65 $87.49
      Ruland MWC30-1/2"-1/2"-A, 1/2" x 1/2" Four Beam Coupling, Aluminum, Clamp Style, 1.181" (30.0mm) OD, 1.496" (38.0mm) Length
      Add to Compare
    2. Ruland MWC30-1/2"-10MM-A, Four Beam Coupling
      MWC30-1/2"-10MM-A
      As low as $59.65 $87.49
      Ruland MWC30-1/2"-10MM-A, 1/2" x 10mm Four Beam Coupling, Aluminum, Clamp Style, 1.181" (30.0mm) OD, 1.496" (38.0mm) Length
      Add to Compare
    3. Ruland MWC30-1/2"-11MM-A, Four Beam Coupling
      MWC30-1/2"-11MM-A
      As low as $59.65 $87.49
      Ruland MWC30-1/2"-11MM-A, 1/2" x 11mm Four Beam Coupling, Aluminum, Clamp Style, 1.181" (30.0mm) OD, 1.496" (38.0mm) Length
      Add to Compare
    4. Ruland MWC30-1/2"-12MM-A, Four Beam Coupling
      MWC30-1/2"-12MM-A
      As low as $59.65 $87.49
      Ruland MWC30-1/2"-12MM-A, 1/2" x 12mm Four Beam Coupling, Aluminum, Clamp Style, 1.181" (30.0mm) OD, 1.496" (38.0mm) Length
      Add to Compare
    5. Ruland MWC30-1/2"-3/8"-A, Four Beam Coupling
      MWC30-1/2"-3/8"-A
      As low as $59.65 $87.49
      Ruland MWC30-1/2"-3/8"-A, 1/2" x 3/8" Four Beam Coupling, Aluminum, Clamp Style, 1.181" (30.0mm) OD, 1.496" (38.0mm) Length
      Add to Compare
    6. Ruland MWC30-1/2"-8MM-A, Four Beam Coupling
      MWC30-1/2"-8MM-A
      As low as $59.65 $87.49
      Ruland MWC30-1/2"-8MM-A, 1/2" x 8mm Four Beam Coupling, Aluminum, Clamp Style, 1.181" (30.0mm) OD, 1.496" (38.0mm) Length
      Add to Compare
    7. Ruland MWC30-1/2"-9MM-A, Four Beam Coupling
      MWC30-1/2"-9MM-A
      As low as $59.65 $87.49
      Ruland MWC30-1/2"-9MM-A, 1/2" x 9mm Four Beam Coupling, Aluminum, Clamp Style, 1.181" (30.0mm) OD, 1.496" (38.0mm) Length
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    8. Ruland MWC30-10-9-A, Four Beam Coupling
      MWC30-10-9-A
      As low as $59.65 $87.49
      Ruland MWC30-10-9-A, 10mm x 9mm Four Beam Coupling, Aluminum, Clamp Style, 30.0mm OD, 38.0mm Length
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    9. Ruland MWC30-11-10-A, Four Beam Coupling
      MWC30-11-10-A
      As low as $59.65 $87.49
      Ruland MWC30-11-10-A, 11mm x 10mm Four Beam Coupling, Aluminum, Clamp Style, 30.0mm OD, 38.0mm Length
      Add to Compare
    10. Ruland MWC30-11-11-A, Four Beam Coupling
      MWC30-11-11-A
      As low as $59.65 $87.49
      Ruland MWC30-11-11-A, 11mm x 11mm Four Beam Coupling, Aluminum, Clamp Style, 30.0mm OD, 38.0mm Length
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    11. Ruland MWC30-11-8-A, Four Beam Coupling
      MWC30-11-8-A
      As low as $59.65 $87.49
      Ruland MWC30-11-8-A, 11mm x 8mm Four Beam Coupling, Aluminum, Clamp Style, 30.0mm OD, 38.0mm Length
      Add to Compare
    12. Ruland MWC30-11-9-A, Four Beam Coupling
      MWC30-11-9-A
      As low as $59.65 $87.49
      Ruland MWC30-11-9-A, 11mm x 9mm Four Beam Coupling, Aluminum, Clamp Style, 30.0mm OD, 38.0mm Length
      Add to Compare
    13. Ruland MWC30-11MM-3/8"-A, Four Beam Coupling
      MWC30-11MM-3/8"-A
      As low as $59.65 $87.49
      Ruland MWC30-11MM-3/8"-A, 11mm x 3/8" Four Beam Coupling, Aluminum, Clamp Style, 1.181" (30.0mm) OD, 1.496" (38.0mm) Length
      Add to Compare
    14. Ruland MWC30-12-10-A, Four Beam Coupling
      MWC30-12-10-A
      As low as $59.65 $87.49
      Ruland MWC30-12-10-A, 12mm x 10mm Four Beam Coupling, Aluminum, Clamp Style, 30.0mm OD, 38.0mm Length
      Add to Compare
    15. Ruland MWC30-12-11-A, Four Beam Coupling
      MWC30-12-11-A
      As low as $59.65 $87.49
      Ruland MWC30-12-11-A, 12mm x 11mm Four Beam Coupling, Aluminum, Clamp Style, 30.0mm OD, 38.0mm Length
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    16. Ruland MWC30-12-12-A, Four Beam Coupling
      MWC30-12-12-A
      As low as $59.65 $87.49
      Ruland MWC30-12-12-A, 12mm x 12mm Four Beam Coupling, Aluminum, Clamp Style, 30.0mm OD, 38.0mm Length
      Add to Compare
    17. Ruland MWC30-12-8-A, Four Beam Coupling
      MWC30-12-8-A
      As low as $59.65 $87.49
      Ruland MWC30-12-8-A, 12mm x 8mm Four Beam Coupling, Aluminum, Clamp Style, 30.0mm OD, 38.0mm Length
      Add to Compare
    18. Ruland MWC30-12-9-A, Four Beam Coupling
      MWC30-12-9-A
      As low as $59.65 $87.49
      Ruland MWC30-12-9-A, 12mm x 9mm Four Beam Coupling, Aluminum, Clamp Style, 30.0mm OD, 38.0mm Length
      Add to Compare
    19. Ruland MWC30-12MM-3/8"-A, Four Beam Coupling
      MWC30-12MM-3/8"-A
      As low as $59.65 $87.49
      Ruland MWC30-12MM-3/8"-A, 12mm x 3/8" Four Beam Coupling, Aluminum, Clamp Style, 1.181" (30.0mm) OD, 1.496" (38.0mm) Length
      Add to Compare
    20. Ruland MWS30-1/2"-1/2"-A, Four Beam Coupling
      MWS30-1/2"-1/2"-A
      As low as $51.54 $75.60
      Ruland MWS30-1/2"-1/2"-A, 1/2" x 1/2" Four Beam Coupling, Aluminum, Set Screw Style, 1.181" (30.0mm) OD, 1.181" (30.0mm) Length
      Add to Compare
    21. Ruland MWS30-1/2"-10MM-A, Four Beam Coupling
      MWS30-1/2"-10MM-A
      As low as $51.54 $75.60
      Ruland MWS30-1/2"-10MM-A, 1/2" x 10mm Four Beam Coupling, Aluminum, Set Screw Style, 1.181" (30.0mm) OD, 1.181" (30.0mm) Length
      Add to Compare
    22. Ruland MWS30-1/2"-11MM-A, Four Beam Coupling
      MWS30-1/2"-11MM-A
      As low as $51.54 $75.60
      Ruland MWS30-1/2"-11MM-A, 1/2" x 11mm Four Beam Coupling, Aluminum, Set Screw Style, 1.181" (30.0mm) OD, 1.181" (30.0mm) Length
      Add to Compare
    23. Ruland MWS30-1/2"-12MM-A, Four Beam Coupling
      MWS30-1/2"-12MM-A
      As low as $51.54 $75.60
      Ruland MWS30-1/2"-12MM-A, 1/2" x 12mm Four Beam Coupling, Aluminum, Set Screw Style, 1.181" (30.0mm) OD, 1.181" (30.0mm) Length
      Add to Compare
    24. Ruland MWS30-1/2"-3/8"-A, Four Beam Coupling
      MWS30-1/2"-3/8"-A
      As low as $51.54 $75.60
      Ruland MWS30-1/2"-3/8"-A, 1/2" x 3/8" Four Beam Coupling, Aluminum, Set Screw Style, 1.181" (30.0mm) OD, 1.181" (30.0mm) Length
      Add to Compare
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    1. Clamp 19 items
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