This is a free program ( software )
Use the charts in program for density of material and repose angle
Its important to use standard speeds for your works
This is a free software ( free download )
this program calculate the belt width you need for belt conveyors
if you don't know the material density or its surcharge angle its no problem
click on degree or ton/m^3 button and select your find your answers.
if you had any question on belt conveyor software call our numbers.
form calculation the belt conveyor power or motor size or
the weight of gravity tensions , idler or pulley size , Ep belt selections
we have a Professional program http://www.msajco.com/Belt_Conveyor_En.aspx
we can help you in designing and drawing your projects