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TS6 oldham coupling

An Oldham coupling has three discs, one coupled to the input, one coupled to the output, and a middle disc that is joined to the first two by tongue and groove.

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  • Description
  • An Oldham coupling has three discs, one coupled to the input, one coupled to the output, and a middle disc that is joined to the first two by tongue and groove. The tongue and groove on one side is perpendicular to the tongue and groove on the other. The middle disc rotates around its center at the same speed as the input and output shafts. Its center traces a circular orbit, twice per rotation, around the midpoint between input and output shafts. Often springs are used to reduce backlash of the mechanism. An advantage to this type of coupling, as compared to two universal joints, is its compact size. The coupler is named for John Oldham who invented it in Ireland, in 1821, to solve a paddle placement problem in a paddle steamer design.

    Features of TS6 oldham coupling:

    1.Allows high parallel and angular misalignments

    2.Zero backlash

    3.High torsional stiffness and response

    4.Simple configuration enable ease of assembly

    5.Setscrew type

    Model

    Φ d1Φd2
     Bore diameter

    ΦD

    L

    F

    L1

    M

    Wrench Torque
    N·m

    TS6-16

    4 5 6

    16

    18

    3.5

    7

    M3

    0.7

    TS6-20

    6 6.35 8

    20

    23

    4.5

    9

    M4

    1.7

    TS6-25

    6 6.35 8
    9.525 10

    25

    28

    5.5

    11

    M5

    4.0

    TS6-32

    8 9.525 10
    11 12 14

    32

    33

    6.5

    13

    M6

    7.0

    TS6-40

    12 14
    15 16

    40

    35

    7.0

    14

    M6

    7.0

    TS6-50

    14 15 16
    18 19 20

    50

    38

    8.5

    17

    M8

    15

    TS6-63

    16 18 19
    20 24 25

    63

    47

    10.5

    21

    M10

    30

    TS6-70

    24 25 28
    30 32 35

    70

    59

    12.5

    26

    M10

    32

     

     

    Model

    Rated Torque
    N·m

    Max.Torque
    N·m

    Max.Rotational Frequency
    rpm

    Moment of inertia
    kg·m2

    Static Torsioral Stiffness
    N m/rad

    Parallel misalignment
    mm

    Angular misalignment

    Mass
    g

    TS6-16

    0.7

    1.4

    9000

    3.0×10-7

    29

    1.0

    3.0

    6

    TS6-20

    1.6

    3.2

    7400

    9.0×10-7

    58

    1.4

    3.0

    14

    TS6-25

    3.0

    6

    5800

    2.8×10-5

    125

    1.9

    3.0

    24

    TS6-32

    5.5

    11

    4700

    8.9×10-5

    260

    2.4

    3.0

    46

    TS6-40

    9.0

    18

    3600

    2.1×10-5

    505

    2.8

    3.0

    80

    STS6-50

    19.0

    38

    3000

    6.0×10-5

    780

    3.3

    3.0

    144

    STS6-63

    33

    66

    2400

    2.1×10-4

    1200

    3.8

    3.0

    318

    STS6-70

    80

    160

    2300

    1.7×10-4

    1600

    3.8

    3.0

    456

     

    keywords:
    • oldham coupling
    • setscrew type coupling
    • flexible coupling
    • small shaft coupling
    • miniature coupling
    • precision coupling

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