Disc Coupling Overview

Industrial SU Kind
The SU Kind coupling includes a single flex plane with two hubs as well as a single disc pack. It can be appropriate for angular and axial misalignment only. Two SU couplings are frequently combined by using a shaft
for making a floating shaft coupling. The shaft is often hollow for long light fat floating shaft couplings.
Industrial SX Sort
This is often the regular coupling kind that includes two hubs, a stock length spacer developed to meet sector conventional lengths, and two unitized disc packs. The coupling has two flex planes, 1 at each disc pack, permitting this coupling to accommodate parallel, angular, and axial misalignment with specified limits. The coupling is obtainable in six and 8 bolt styles and bore sizes as much as 13 inches (330mm) around the biggest dimension. Custom spacer lengths is usually manufactured to meet special shaft separations required for particular applications. The SX coupling might be fitted with overload bushings to safeguard the disc packs in in excess of torque situations and might act as an anti-flail gadget. SX couplings are assembled at the time of installation on the products in which the coupling might be in services.
Industrial DI Kind
The DI Style coupling has a “Drop-In” spacer assembly which is assembled with 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 to your spacer and guard rings at the factory employing the torque values advisable by Lovejoy for the disc pack bolts. Using the hubs mounted about the shafts, the entire disc pack assembly might be “Dropped In” place amongst the 2 hubs. The hubs are piloted to make certain good centering of the spacer assembly. This piloting serves as an anti-flail feature and aids inside the coupling’s ability to meet the balance standards mandated by API. This fashion coupling is created to meet the balance and anti-flail demands specified in API-610.
Oversized, or Jumbo, hubs can be found for use using the DI Sort coupling to allow for greater bore sizes on most DI coupling sizes. This allows for that utilization of smaller sized DI couplings in applications where a smaller dimension coupling can even now accommodate the application torque.
Industrial SXC Variety
The SXC Kind is the close coupled variation of the SX Kind coupling. The SXC is just like the SX coupling in that the disc packs are attached once the coupling is installed. In the near coupled units, the hubs are turned inward and are mounted inside the spacer. Note that with the hubs within the spacer, the maximum bore permitted while in the hub will probably be decreased. The SXC couplings can be employed with 1 or both hubs turned outward to allow the coupling to accommodate diverse shaft separations.
Industrial SXCS and SXCST Kinds
The SXCS and SXCST Kinds have split spacers as well as disc packs is usually serviced or eliminated with no moving the hubs over the shafts and without having moving the products. The SXCS Sort has the bolts that connect the hubs to your split spacer installed in the ends from the couplings. The SXCST have the bolts installed from inside the spacer pointing outward in the direction of the hubs.
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