Branchen in Deutschland, der Tschechoslowakei, die Niederlande, Belgien, Luxemburg, Österreich und der Schweiz in Europa und Kanada mit Fördertechnik Tragrollen Stahl-Leitung mit Gummi-Ringen Rollen, um Materialien, Gurtförderer Trommel Kopf und Schwanz Rollen Auswahl Installations-Anleitung, um eine lange Lebensdauer für den Transport von Sand , Steine, Erze, Lebensmittel-Körner, Beutel verpackt.
All carrier idlers should initially be squared with the path of the belt and only the minimum shifting of idlers used as a training means. If the belt is over-corrected by shifting idlers, it should be restored by moving back the same idlers, not by shifting additional idlers in the other direction.
Obviously such idler shifting is effective for only one direction of belt travel. If the belt is reversed, a shifted idler, corrective in one direction, will misdirect in the other. Hence reversing belts should have all idlers squared up and left that way. Any correction required can be provided with self-aligning idlers designed for reversing operation. Not all self-aligners are of this type, as some work in one direction only.
Tilting the troughing idler forward (not over 2°) in the direction of belt travel produces a self-aligning effect. The idlers may be tilted in this manner by shimming the rear leg of the idler stand. Here again this method is not satisfactory where belts may be reversing.
Return idlers, being flat, provide no self-aligning influence as in the case of tilted troughing idlers. However, by shifting their axis (knocking) with respect to the path of the belt, the return roll can be used to provide a constant corrective effect in one direction. As in the case of troughing rolls, the end of the roll toward which the belt is shifting should be moved longitudinally in the direction of return belt travel to provide correction.
Self-aligning return rolls should also be used. These are pivoted about a central pin. Pivoting of the roll about this pin results from an off-center belt and the idler roll axis becomes shifted with respect to the path of the belt in a self-correcting action. (Figure 6) Some return idlers are made with two rolls forming a 10° to 20° V-trough, which is effective in helping to train the return run.
A further aid to centering the belt as it approaches the tail pulley may be had by slightly advancing and raising the alternate ends of the return rolls nearest the tail pulley.
Guide roller be used to afford the protection to the belt as an emergency measure, provided that they do not touch the belt edge when it is running normally. If they bear on the belt continually, even though free to roll, they tend to wear off the belt edge and eventually cause ply separation along the edge. Side guide rollers should not be located so as to bear against the belt edge once the belt is actually on the pulley. At this point no edge pressure can move the belt laterally.
HIC International Co Hergestellt UNIVERSAL Brand Qualität Stahl & Gummi verbinden Idler Rollers ersetzt IS 8598 Superb Wohnen & Abdichtung Aspekt Vorteil sichert Long Life Zuverlässigkeit
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Conveyor idlers 3 roller set with frame bracket carrying return impact and pulley drums suppliers to industries of Germany, Czechoslovakia, Netherlands, Belgium, Luxembourg, Switzerland, Austria in Europe and other parts of European Union E.U. and Eurasia located factories using belt idlers of steel pipe with rubber disc or without rubber rings roller to handle materials, belt conveyors drum head and tail rollers Selection Installation Fitting guide to get long life for transporting sand, rocks, ores, food-grains, packed bags.