FENNER TYRE COUPLING PDF

With the addition of a spacer flange, the coupling can be used to accommodate standard distance between shaft ends and facilitate pump maintenance. Fenner Tyre couplings can accommodate simultaneous maximum misalignment in all planes without imposing undue loads on adjacent bearings and the excellent shock-absorbing properties of the flexible tyre reduce vibrations and torsional oscillations. Neoprene rubber compounds are available for use in adverse operating conditions e. The range includes couplings with torque capacity upto Nm. They can accommodate parallel misalignment upto 6 mm, angular misalignment upto 4O and end float upto 8 mm. You can send inquiry for size , F 50 Fenaflex tyre couplings by clicking here.

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Both Martin Flex and Fenner Flex tyre couplings come with the convenience of Taper Bush mounting for fixing to the shaft. This allows the tyre coupling hub to be mounted against the bearing on a shaft, which will reduce overhung loads. Or the Taper Lock Bush is able to enter the hub from outside the coupling H Flange , which, in some applications, may assist with ease of installation. Please see pictorial configurations below. A feature offered by the Martin-Flex and Fenner Flex tyre couplings, which are not commonly available from other manufacturers, is the addition of a spacer unit accommodating for standard distances between shaft ends DBSE.

For further details, please refer to Figure 1 below. A further design option offered by both the Martin-Flex and Fenner Flex tyre couplings, again not provided by other manufacturers, is the addition of a fly wheel unit, which is designed to accommodate standard SAE flywheel designs and many other original equipment designs for combustion engines. These flywheel couplings use chloroprene flexible elements and employ standard F and H type driving flanges, as pictured below in Figure 2.

It can also accommodate simultaneous misalignment in all planes, without imposing any undue loads on adjacent bearings. This element meets the requirements of the Australian Fire Resistant Anti Static FRAS standards, set for rubber products that are designed to be used in flame proof environments. In addition to this safety factor, this material also has excellent resistance to contaminated environments including oil and grease.

Installation of a Tyre Coupling. Installation of a tyre coupling, including Martin Flex and Fenner Flex tyre couplings is as follows. The Martin-Flex or Fenner Flex tyre coupling is a versatile option for connecting shafts, offering excellent vibration absorption, misalignment capability, and cost effectiveness.

CBC Power Transmission technical personnel require the following basic criteria to undertake a selection. Selection via these criteria ensures the demands of the application may be met with the most suitable, cost effective and maintenance-friendly option.

There are many alternative tyre coupling designs available from the CBC range, including HRC Couplings, Grid couplings, gear couplings, disc couplings, and flywheel couplings. Each offers a varying range of advantages and disadvantages. Selecting the correct tyre coupling for the application is critical for achieving a maximum design life. You browser has Javascript turned off! This site will not function without Javascript! Enabling Javscript Instructions. Figure 1 A further design option offered by both the Martin-Flex and Fenner Flex tyre couplings, again not provided by other manufacturers, is the addition of a fly wheel unit, which is designed to accommodate standard SAE flywheel designs and many other original equipment designs for combustion engines.

The Taper Bush should be cleaned to remove any grease, oil or contaminants. The shaft and the bore of the tyre coupling hub, into which the taper bush is to be installed, also needs to be cleaned of oil, grease, dirt, or metal filings.

It is a good idea to check both the bushing and the tyre coupling are free of nicks and burrs, and are not showing signs of cracking or damage. Place the taper bush in the tyre coupling hub, ensuring half holes are matched to make complete holes, taking note to match holes, and not threads. Each complete hole must be threaded on one side only. To facilitate ease of fitment, all threads should be oiled, as well as the point of the set screws or threads. Under the head of the cap screw should also be well oiled.

Place the screws, but do not tighten, into the holes of the tyre coupling hub with threads on the hub side. Shown as in Figure 3 below. Figure 3. The taper bushing should be free in the tyre coupling hub. The assembly can then be located onto the shaft, into the desired position. Insert the required key into the keyway. Note that there must be an air gap between the top of the key and the taper bushing keyway. Check that there is no grease, oil, or lubricant between the outside surface of the taper bushing and the inside tapered surface of the tyre coupling hub, to which the bushing is being installed.

This outside surface must be completely free from any lubrication. Ensure the tyre coupling is located in the desired position. The required gap between the hubs is to be measured and set at the specified distance by measuring the assembled length across the hubs.

Refer to dimension M in Figure 4 below. The screws now need to be alternately tightened to ensure taper bushing is pulled up evenly and squarely into the hub. Correct seating of male and female tapers requires some attention to ensure they are seated squarely. This includes slight impact against the large end of the taper bushing. Tightening of these screws must, again, be done alternately to ensure correct seating of the taper bush squarely into the hub.

The torque setting information relative to each size taper bush is provided with the installation sheet in the packaging with new bushes. It is important that the slight impact applied to ensure correct seating is undertaken with a softer material against the face of the taper bush to prevent damage. Different methods of shaft alignment include the following:. It does not allow for issues such as thermal expansion. Rim and face, Single dial, Reverse dial Often requires custom brackets and equipment and requires very experienced personnel.

This method also assumes the couplings are machined concentric and square. When correctly applied, this method can be very accurate, but time consuming. Bar sag is a factor of rim and face alignment methodology, which is an influencing factor that is, unfortunately, not often accounted for. Laser This method is fast and offers the most accurate alignment.

Some laser alignment devices have become so user friendly that minimal knowledge and training is required to operate them to achieve accurate alignment.

Once the tyre coupling hubs have been aligned and the correct spacing has been achieved, the element is taken and the tyre is opened.

It is then fitted over the tyre coupling flanges, ensuring that the tyre beads are seated properly on the flanges and clamping rings.

To ensure proper seating, it may be necessary to strike the outside diameter of the tyre with a small mallet and, when correctly seated, there should be a gap, or split, between the ends of the tyre.

Tighten the clamping ring screws evenly, half a turn at a time, working around each flange until the required screw torque is achieved. NOTE: It is important to return to the taper lock bushing and check the torque settings of the screws, and re-tightening if necessary following a period of running under normal operation.

It is a good idea to consider filling the unused holes of the Taper Lock bush with silicon or grease to prevent dirt or corrosion filling the hole. This will facilitate ease of future removal. At this time it may be prudent to check the clamping ring screws, working around each flange, until the required screw torque is achieved. To view a video demonstration of how to fit a tyre coupling, Click Below.

Current Price. Base Price. Set Price:. OK Reset. This is a very rough and inaccurate method of alignment. A low degree of accuracy, this method assumes that the faces of the coupling are parallel to the shaft and to each other. Often requires custom brackets and equipment and requires very experienced personnel. This method is fast and offers the most accurate alignment.

ASTM A449 PDF

Fenner Tyre Couplings F 50 ,Fenaflex Tyre Coupling

Fenaflex Tyre Couplings. Fenaflex Tyre Couplings are highly elastic, lubrication free couplings that tolerate large amounts of misalignment in all planes as well as offering simple installation and inspection without disrupting the drive. ATEX approved. All rights reserved. All trademarks acknowledged.

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Fenaflex Tyre Couplings

Fenner Tyre couplings can accommodate simultaneous maximum misalignment in all planes without imposing loads on adjacent bearings, Parallel misalignment upto 6 mm and anglular misalignment upto 4 degree. It completely reduces vibrations and torsional oscillations due to the use of. It completely reduces vibrations and torsional oscillations due to the use of flexible tyre which are highly elastic in nature. Fenner tyre coupling are available in through bore as well as in taper lock model. Pullyes centre is the premier dealer in power transmission equipments in Coimbatore.

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