Via Ippolito Nievo, 8
40069 Zola Predosa - Bologna - Italia
tel. ++39 051 755406 fax ++051758989
Codice Fiscale: 00794310075
Partita I.V.A: 00523381202
Partita I.V.A. CEE: IT 00523361202
LOAD ON SINGLE ROLL IDLER
Calculation date Data/Date
Calculation hour Ora/Hour
Customer
INPUT
Handled material
Maximum lump size of handled material pz [mm]
Specific weight of handled material y [kg/m^3]
Dynamic surcharge angle of handled material angle [degrees]
Idler configuration
Idler troughing Angle [degrees]
Belt width B [mm]
Maximum section of handled material S [m^2]
Center distances of carrying idlers E [m]
Center distances of return idlers Er [m]
Belt linear average weight p [Kg/m]
Maximum hourly capacity of conveyor Qm [t/h]
Belt speed v [m/s]
Lump coefficient Kp
Environmental conditions a3
Daily operating time hg [h/day]
Service coefficient Ks
CALCULATION
Section of handled material s [m^2]
ACTUAL load on carrying idler Pe [daN]
COMPENSATED load on carrying idler Pc [daN]
COMPENSATED load on return idler Pr [daN]
LOAD ON SINGLE ROLL IDLER
Load on single roll idler CrP [daN]
Load on one roller of a 2 roll idler CrC [daN]
Load on centre roller of a %GRADI%º 3 roll idler CrT3 [daN]
Load on centre roller of a 3 roll garland CrG3 [daN]
Load on single roll return idler CrP1 [daN]
Load on one roller of a V10° return idler CrV10 [daN]
ROLLERS SELECTION
Design rollers life [hours]
Roller description Load of the roll
[daN]
Roller code
UPPER IDLERS ROLLERS
FOR RETURN IDLERS