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1) Clean all parts
2) Assemble the flanges onto the shafts after connecting the clamping rings loosely to them
3) Move the flanges along the shafts until dimension &#;2M&#; is obtained (see Table 1). Ensure there is sufficient gap between the shaft ends to allow for any axial movement.
4) Check the alignment in both parallel and angular planes to ensure the shafts are aligned as accurately as possible &#; the more accurate the alignment, the less the tyre wear. See Table 1 for misalignment values.
5) Fit the tyre into the gap between the flange and clamping ring, ensuring the tyre bead is correctly located. When correctly seated, the tyre gap should match the value in Table 2.
6) Tighten the clamping ring screws alternately, and gradually, until the correct torque is achieved (see Table 1).
Figure 1 - FFX Tyre Assembly Overview
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Table 1 - Technical Infomation
Table 2 - Gap Between Tyre Ends
To assemble the Uneflex coupling, mount the hubs (1) together with the pressure rings (2) on the shaft ends and align the system parts. The distance between the hubs &#;n&#; must be the one indicated on the data sheet.
The tyre (3) is mounted on the coupling hubs, fitted to provide the smallest possible gap between its faces. For large couplings, before tightening the pressure rings, it is recommended to use clamping bands to fit the tyre. The tyre is secured with the prescribed wrench torque by means of the pressure ring and the screws (4). The fixation must be always carried out tightening two diametrally opposite screws in cyclic order, retightening the bolts after the first tightening as the rubber settles.
For replacing the tyre, only loosen the screws, until the tyre can be withdrawn.
In order to ensure a long-life cycle of the rubber element, it is fundamental to store the tyre protecting it against ozone, light (specially ultra violet rays), heat and oxygen, in a room with a relative humidity of less than 65% with a storage temperature range between +10 °C and +25 °C and without storing in the same room disinfectants, acids, chemicals and other similar substances that may cause a depreciation of the tyres.
Further details of the guideline for rubber product storage can be found in the standard ISO .
The coupling design allows a perfect inspection of the transmission tyre without dismantling the coupling, so a periodical visual inspection is recommended.
If you want to learn more, please visit our website Flexible Coupling Types.