Surcharge angle of material used in conveyor calculations.
Trough angle of belt conveyor idler in degrees.
Trough angle of belt conveyor idler in degrees.
Trough angle
$$ \lambda_{idler1_{rad}} = {\lambda_{idler1} \cdot {\pi \over 180}} $$
Covered belt width
IF
THEN
$$ b_{belt} = {B_{belt} - 0.25} \:,
{m}
$$
OTHERWISE
$$ b_{belt} = {0.9 \cdot B_{belt} - 0.05} \:,
{m}
$$
Trough angle
$$ \lambda_{idler2_{rad}} = {\lambda_{idler2} \cdot {\pi \over 180}} $$
Surcharge angle
$$ \beta_{surcharge_{rad}} = {\beta_{surcharge} \cdot {\pi \over 180}} $$
Cross sectional area of belt conveyor for idlers with 5 rollers.
Cross sectional area
$$ A_{conv_{5}} = {\left({ l_{base} + l_{base} \cdot \cos( \lambda_{idler1_{rad}} ) }\right) \cdot l_{base} \cdot \sin( \lambda_{idler1_{rad}} ) + \left({ l_{base} + 2 \cdot l_{base} \cdot \cos( \lambda_{idler1_{rad}} ) + {( b_{belt} - 3 \cdot l_{base} ) \over 2} \cdot \cos( \lambda_{idler2_{rad}} ) }\right) \cdot {( b_{belt} - 3 \cdot l_{base} ) \over 2} \cdot \sin( \lambda_{idler2_{rad}} ) + \left({ 0.5 \cdot l_{base} + l_{base} \cdot \cos( \lambda_{idler1_{rad}} ) + {( b_{belt} - 3 \cdot l_{base} ) \over 2} \cdot \cos( \lambda_{idler2_{rad}} ) }\right) ^ 2 \cdot \tan( \beta_{surcharge_{rad}} )} $$