Disc Coupling Overview

Industrial SU Kind
The SU Form coupling includes a single flex plane with two hubs and a single disc pack. It is actually ideal for angular and axial misalignment only. Two SU couplings are sometimes combined which has a shaft
to produce a floating shaft coupling. The shaft could be hollow for long light fat floating shaft couplings.
Industrial SX Kind
This is the conventional coupling type that consists of two hubs, a stock length spacer built to meet field typical lengths, and two unitized disc packs. The coupling has two flex planes, a single at every disc pack, permitting this coupling to accommodate parallel, angular, and axial misalignment with specified limits. The coupling is obtainable in 6 and eight bolt designs and bore sizes as much as 13 inches (330mm) on the largest size. Customized spacer lengths is usually manufactured to meet special shaft separations essential for particular applications. The SX coupling could be fitted with overload bushings to guard the disc packs in above torque ailments and can act as an anti-flail device. SX couplings are assembled in the time of set up to the equipment the place the coupling will likely be in services.
Industrial DI Kind
The DI Sort coupling includes a “Drop-In” spacer assembly that may be assembled on the factory. The coupling consists of two hubs along with a spacer assembly comprising from the spacer, two unitized disc packs, and two guard rings. The disc packs are bolted towards the spacer and guard rings in the factory using the torque values proposed by Lovejoy for the disc pack bolts. With all the hubs mounted on the shafts, the complete disc pack assembly can be “Dropped In” place in between the two hubs. The hubs are piloted to be sure proper centering with the spacer assembly. This piloting serves as an anti-flail function and aids inside the coupling’s ability to meet the stability requirements mandated by API. This style coupling is created to meet the stability and anti-flail specifications specified in API-610.
Oversized, or Jumbo, hubs are available for use with the DI Form coupling to allow for more substantial bore sizes on most DI coupling sizes. This permits for your utilization of smaller DI couplings in applications wherever a smaller dimension coupling can nonetheless accommodate the application torque.
Industrial SXC Kind
The SXC Type would be the near coupled variation of your SX Kind coupling. The SXC is just like the SX coupling in the disc packs are connected when the coupling is installed. Inside the shut coupled units, the hubs are turned inward and therefore are mounted inside the spacer. Note that with the hubs inside the spacer, the utmost bore permitted within the hub might be decreased. The SXC couplings can be made use of with one particular or each hubs turned outward to permit the coupling to accommodate diverse shaft separations.
Industrial SXCS and SXCST Sorts
The SXCS and SXCST Sorts have split spacers as well as the disc packs may be serviced or removed without the need of moving the hubs around the shafts and with out moving the gear. The SXCS Variety has the bolts that connect the hubs on the split spacer set up through the ends from the couplings. The SXCST have the bolts put in from inside the spacer pointing outward in the direction of the hubs.
Supplemental Types


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