Bugging The Question.
It is possible that the arrangement might be handy in disturbing and eventually jettisoning debris. I cannot imagine that it improves tracking. Using more straight rollers seems back to front in terms of residence time but perhaps there is resonance somewhere in the set up. What did the conveyor owner, or his operatives, say? There are no advantages to this method: unless you sell rollers. ■
John Gateley johngateley@hotmail.com www.the-credible-bulk.com
Mixed Vs. Apart
Dear Mr. Sganesh,
if the idler frames have the same connecting dimensions, it may well be that the troughed idlers were set together with the intent to improve tracking at an appropriate place in the lower conveyor flight. If the troughed idlers are equipped with disc rollers (or were), then this is perhaps in order to cleanse and would make sense to be placed after the return pulley.
What concerns the mixed placing, i would object to that, because unless the height of the idlers is adapted to the neutral tension belt line the belt will undergo permanent transversal bending sequences (? expression) in the lower flight probably with impact on lifecycle --> Perhaps the belt specialists might shed some light on this?
Regards
R. ■
Mixed Idlers.on Return Side.
Originally Posted by Roland Heilmann
if the idler frames have the same connecting dimensions, it may well be that the troughed idlers were set together with the intent to improve tracking at an appropriate place in the lower conveyor flight. If the troughed idlers are equipped with disc rollers (or were), then this is perhaps in order to cleanse and would make sense to be placed after the return pulley.
What concerns the mixed placing, i would object to that, because unless the height of the idlers is adapted to the neutral tension belt line the belt will undergo permanent transversal bending sequences (? expression) in the lower flight probably with impact on lifecycle --> Perhaps the belt specialists might shed some light on this?
Regards
R.
Dear Ganesh,
How Old is this installation.
In sixties and seventies only plain return idlers with plain return trainers were in use and on the return side, the belt get a lot of side cuts due to poor belt training.
To minimize this, some one must have introduced this. Presently no one does this. Why don,t you ask the user, the rational behind this.
Rgds,
Narayanan Nalinakshan. ■
Mixed Return Idlers
Dear Experts,
Today I had seen a conveyor. It was having 1600 mm steel cord belt.
The return rollers are having both "Fixed V type" and "Straight Roller" frames. For every 2 or 3 straight rollers, there was a V type return roller.
Is there any purpose for such arrangement ? What are the advantages & disadvantages ?
Requesting your valuable comments please.
Regards, ■