Type 1300: TRI-flex belts are, next to traction on the trammel, propelled by means of traction wheels. These kinds of traction wheels have their own geometrical shape, which enables the sprocketss to grip well on the cross rods of the belt.
The traction wheels for the Triflex belts are produced by ourselves. We can therefore realize the sprockets wheels in almost all technical versions. The most important parameters in there are the amount of teeth (longitunal pitch circle), width, type of material, bore, whether or not a key way or whether or not a tapped hole (with set screw). There are certain recommendations to be made for these parameters;
- – Amount of teeth (longitunal pitch circle); recommended 12 up to 24
- – Width; in conformity with customer specifications, mostly 45 – 55 mm
- – Materials: POM, PE1000, 1.4305, 1.0503
- – Bore: in conformity with customer specifications. Round bore is preferred
- – Key way: always (idle drums could possibly do without)
- – Tapped hole: to prevent the axle of getting damaged, it is preferred to secure the middle roller on the key way and not on the axle.
The TRI-flex sprockets wheels, including the combined driven principle of Triflex belts, are characterised by:
- – Belts in spiral towers systems are driven on the basis of a combination of friction and sprockets. A good tune between both (overdrive) is of major importance for a proper belt run
- – Drive wheels are of course used on the axle, but are also often placed on idle shafts to both, correct the direction of the belt and to provide the belt of direction
- – The sprockets wheels feature, next to teeth, also a smooth surface. This is also called the hub, on which the chains can rest. The advice is to take wheels with an as small as possible pitch circle possible (but at least 8 sprockets)
- – A large turned over angle of the belt, with respect to the sprockets, (>180°) is being preferred.
When a type 1300: TRI-flex belt is being used, these sprockets wheels are being used. The applications are thus similar for this belt; installations whereby food products are cooled or warmed gradually. You could hereby think of processes as cooling, freezing, pasteurizing, smoking and cooking. As already mentioned before, belts are considerably used in spiral shaped tower installations. It is however also possible to put the TRI-flex belt in rectilinear installations. It then often concerns an installation for the ‘’shock-freezing’’ of food products, for example to use liquid nitrogen that evaporates immediately. For this, the same sprockets wheels are used as for the spiral tower.