Product Announcement from Oren Elliott Products, Inc.

OEP Couplings Oldham/Universal Shaft Couplings -Image

OEP Couplings' type UI and UC flexible shaft couplings offer many of the advantages of an Oldham coupling, with increased angular flexibility. Essentially and Oldham coupling with cylindrical (rather than rectangular) fins, these couplings exert extremely low reactive forces, even under large radial and angular misalignment.

Both types UI and UC have zero backlash, electrically insulate the two shafts, are economical compared to other couplings with similar performance, have a replaceable wear element, and have a low moment of inertia. High-tech materials and coatings minimize friction and wear, and both are well-balanced, reducing vibration at high rpm.

The OEP Type UI Oldham/Universal coupling differs from the UC in one very important way. The fins are longer, and the grooves in the midsection are deeper, so that the fins overlap as seen from the side. The axes of the two fins lie on the same plane, rather than being offset from one another as they are in the type UC. This allow for a smoother, more purely universal sort of flexion, and is much more quiet and efficient at high rpm. Type UI does not serve as a mechanical fuse like type UC, but it has higher torsional stiffness and static break torque than type UC.

OEP Couplings' type UI is, at the time of this writing, unique--there are no other manufacturers that offer an Oldham/Universal coupling with one-piece midsection and with coplanar axes of the two cylindrical fins.

As with all of OEP Couplings' flexible couplings, side-by-side testing of OEP couplings against similar couplings from other manufacturers confirms OEP's superiority in state break torque, torsional stiffness, and peak torque. OEP Couplings' pricing is typically lower than that of major competitors, and OEP's customer service is much more responsive.

Material options for the hubs include low-friction coated aluminum, stainless steel, and brass. Material options for the midsection include Delrin© (for low-friction, long wear, general use); PEEK (for high-temperature applications); and low-friction-coated Urethane (for torsional dampening characteristics similar to those of a jaw coupling, but with very large radial and angular misalignment accommodation). Shaft attachment options include set screw and clamping mechanism; bore options include plain through-bore, plain blind-bore, and through-bore with keyway, in bores from 2mm (0.079 inches) up to 30mm (1.181 inches), in all standard metric and inch bores.


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