-->//(Brakes) Example 12.8
 
-->//Face width of the friction lining w (mm)
 
-->w = 40
 w  =
 
    40.  
 
-->//Maximum intensity of normal pressure pmax (N/mm2)
 
-->pmax = 1
 pmax  =
 
    1.  
 
-->//Coefficient of friction mu
 
-->mu = 0.32
 mu  =
 
    0.32  
 
-->//Radius of the drum R (mm)
 
-->R = 125
 R  =
 
    125.  
 
-->//All angles are taken from the same reference
 
-->//Angles of the shoe theta1 and theta2
 
-->theta1 = 0
 theta1  =
 
    0.  
 
-->theta2 = 120
 theta2  =
 
    120.  
 
-->//Distance of the force from the horizontal centerline d1 (mm)
 
-->d1 = 100.9
 d1  =
 
    100.9  
 
-->//Distance of the pivot from the horizontal centerline d2 (mm)
 
-->d2 = 86.6
 d2  =
 
    86.6  
 
-->//Distance of the pivot from the vertical centerline d3 (mm)
 
-->d3 = 50
 d3  =
 
    50.  
 
-->//Maximum normal pressure occurs at angle fi (deg)
 
-->if (theta2 > 90)
-->    fi = 90
 fi  =
 
    90.  
-->else
-->    fi = theta2
-->end
 

Actuating force(P) = 2089.795894 N

Torque absorbing capacity of the brake(Mt) = 434831.051530 N-mm