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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

Calculation tool

Area input data
	Handled material			Add
	description	variable	Measurement units	value	valore di riferimento
	Maximum lump size of handled material	pz	[mm]		[1-400]
	Specific weight of handled material	y	[kg/m^3]		[50-4500]
	Dynamic surcharge angle of handled material	angle	[degrees]		[5-45]
	Idler configuration
	Idler troughing	angle	[degrees]
	Belt width	B	[mm]		[300-2000]
	Center distances of carrying idlers	E	[m]		[0.3-2]
	Center distances of return idlers	Er	[m]		[1-4]
	Belt linear average weight	p	[Kg/m]		[1-100]
	Maximum hourly capacity of conveyor	Qm	[t/h]		[1-5000]
	Belt speed	v	[m/s]		[0.02-10]
	Lump coefficient	Kp
	Environmental conditions (See catalog)
	Daily operating time	hg	[h/day]		[1-24]
	Service coefficient	Ks
	Design rollers life	h	[hours]
	Maximum section of handled material	S	[m^2]	≥ Section of handled material
	When conveyed material section area is larger than conveyable section "S" you need to increase either the idler angle "ANGLE" or the belt width "B" or belt speed "v"
	Choose the rollers for this application
ROLLER SELECTION SUMMARY TABLE
	Roller description			Load of the roll [daN]	Roller code
	UPPER IDLERS ROLLERS

	FOR RETURN IDLERS

show calculation

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 return idler	CrP	[daN]
	Load on one roller of a 2-roll idler of °	CrC	[daN]
	Load on centre roller of a 3-roll idler of °	CrT3	[daN]
	Load on centre roller of a 3-roll garland of °	CrG3	[daN]
	Load on one roller of a 2-roll idler / garland of a 3-roll	CrT	[daN]
	Load on single roll idler	CrP1	[daN]
	Load on roll return idler V10°	CrV10	[daN]