Product Announcement from Oren Elliott Products, Inc.

OEP Couplings Type OC, Oldham Shaft Couplings-Image

Offering homokinetic transmission (driving and driven shafts rotate at the same speed at all times), zero backlash, and an economical price, Oldham couplings is classically designed and continues to find use in myriad applications. Other advantages inherent to this design include an inexpensive, replaceable wear element that shears under excess load, serving as a mechanical fuse that protects driven components; low reactive forces, even under large misalignment; the capacity to accommodate large radial misalignments in a short length; high torsional stiffness; and electrical insulation.

OEP Couplings' version of the archetypal Oldham is available in the conventional OC configuration, and in the OI configuration (which offers higher stiffness and static break torque, but does not serve as a mechanical fuse). Both the OC and OI consist of machined components that are fabricated to extremely tight tolerances on state-of-the-art CNC equipment, and have been designed to outperform other manufacturers' Oldham couplings in the critical metrics of static break torque, torsional stiffness, and peak torque. This superiority has been confirmed in side-by-side testing. Each coupling is well-balanced, reducing vibration at high rpm; and high-tech coatings and materials are used to reduce coefficient of friction and wear.

OEP Couplings' pricing is typically lower than other coupling manufacturers', and OEP's customer service is much more responsive.

The OEP type OC has higher torsional stiffness, longer service life, and more consistent performance from one coupling to another due to the tighter tolerances achievable with machining, compared to other manufacturer's midsections, which are typically injection-molded.

Machining the midsection produces a part with less internal stress than molding, and this gives the OEP type OC higher static break torque and higher peak torque than its rivals.

Material options for the hubs include low-friction-coated aluminum, stainless steel, and brass. Material options for the midsection include Delrin(c) (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 the large radial misalignment accommodation of an Oldham coupling). 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).

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