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    The Lovejoy Oldham coupling is a precision engineered, torsionally stiff, three-piece coupling suitable for a great many applications ranging from incremental control of fluid valves to highly dynamic drives in closed loop servo systems. It accommodates misalignment mechanically through a floating disc that engages tenons machined out of the hubs. As the coupling rotates, the floating disc aligns with each hub alternately to an extent demanded by the alignment error. Because parallel misalignment is accommodated by lateral displacement, the Lovejoy Oldham coupling can handle severe alignment errors within a short space envelope. This is a valuable feature in densely packaged and blind assemblies, or where misalignment can accelerate the erosion of shaft bearings. The Lovejoy Oldham coupling features raised dots on both sides of the floating disc which act as an effective spacer.

    The dots keep the face of the tenon from contacting the bottom of the floating disc and allows the coupling greater angular misalignment capability. A very important effect is that the spacer dots will greatly reduce the bending load on the shafts because of the freedom of the floating disc.
    The MOL Coupling consists of two hubs and one center member.
Unit of Measure

Specifications

Description 

 N/A MOL16-HUB-3/16-NKW

Coupling Type

 N/A Oldham, Three Piece Design w/ Insert

Coupling Size

 N/A MOL16

Material

 N/A Aluminum

Style

 N/A Set Screw

Color

 N/A Silver/Metallic

Weight

 N/A 0.01 oz

Weight (Complete Coupling w/ Min. Bores)

 N/A 0.20 oz

Dimensional Data

Bore Size 

 N/A 3/16 in

Set Screw Size

 N/A M3

Keyway Size

 N/A No Keyway

Length thru Bore

 N/A 0.276 in7.00 mm

Outside Diameter

 N/A 0.63 in16.00 mm

Overall Coupling Length

 N/A 0.709 in18.00 mm

Min. Bore (Dimensions ID1/ID2)

 N/A 0.118 in3.00 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 0.236 in6.00 mm

Cubic inches

 N/A 0.10954 in³

Performance Data

Max. Operating Temperature

 N/A 176.00 ºF

Nominal Torque

 N/A 6.20 in·lb

Max Speed

 N/A 2400.00 rpm

Angular Misalignment

 N/A 3.00 º

Parallel Misalignment

 N/A 0.400 in

Torsional Stiffness

 N/A 620.00 in·lb/rad

Moment of Inertia

 N/A 0.001 lb·in²

Features

Features 

 N/A
  • High torsional stiffness
  • Maximum temperature 176° F (80° C)
  • Aluminum hubs with a Polyacetal insert
  • Available in setscrew or clamping style hubs

Notes

Notes 

 N/A
  • Nominal torque, torsional stiffness, weight and moment of inertia are based on minimum bore size.
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