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EUROFLEX COUPLING REXNORD

PT SARANA TEKNIK COUPLING
SELL : EUROFLEX REXNORD COUPLING FOR
STEAM TURBIN
GAS TURBIN
COMPRESSOR
PUMP
The Euroflex coupling is torsionally stiff with zero backlash and torque is transmitted through pure tension in the flexing elements. Figure 1 shows holes A, C & E in the flexing elements, bolted to the driving machine flange, whilst holes B,D & F are fastened to either the spacer / driven machine flange.

Torque is transmitted from bolt C to B, E to D and A to F.
Flexibility ia achieved when flexing elements bend between the drive and driven bolts .


Element
The principal reasons why, the Euroflex couplings, out perform others in its class is on account of the two fundamental design principles adopted by us:

It is this design feature of the flexible element which enables the Euroflex couplings to offer smaller diameters, for a given torque, than, would otherwise have been possible.


A) Flexing Element Design:

In the Euroflex design, the flexible elements have a polygonal outer profile with a circular central hole. The design ensures that, all the forces in the flexible elements are purely tensile and also provides for the maximum material at the points of bending, leading to very low bending stresses, while permitting high misalignment capacity.

Element

B) Coupling Bolt:

The coupling bolts in the Euroflex design are manufactured out of high tensile steel and are adequately sized to transmit torque through friction rather than shear.




Coupling Bolt

The bolts are preloaded to achieve adequate bolt extension thereby inducing a large tensile load in the bolts, which is adequate to prevent both bending of the bolts as well as slip between the flexing elements. The prevention of slip is very important to prevent the flexing elements from fretting. SXX

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