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Appendix B

Task № 7
Press mechanism

Input data
Variables Variants
designation 1 2 3 4 5 6 7 8 9 10
а, m 0,400 0,450 0,470 0,500 0,550 0,600 0,620 0,650 0,700 0,750
b, m 0,0 0,020 0,050 0,060 0,070 0,080 0,090 0,120 0,015 0,0
l , m 0,070 0,093 0,110 0,075 0,120 0,140 0,090 0,130 0,125 0,112
OA
l , m 0,350 0,455 0,450 0,495 0,550 0,600 0,590 0,670 0,790 0,824
AB
l , m 0,175 0,160 0,195 0,150 0,175 0,200 0,220 0,250 0,280 0,300
BC
l , m 0,175 0,120 0,140 0,150 0,125 0,120 0,200 0,160 0,220 0,250
СD
l , m 0,400 0,200 0,250 0,450 0,500 0,360 0,550 0,320 0,600 0,750
DЕ
α, град 40 45 90 80 105 95 0 45 70 60
n ,rpm 40 45 120 60 80 50 70 110 100 90
1
G 5 , N 400 460 500 520 540 350 420 600 550 580
F, kN 10 20 30 200 150 100 80 70 60 90
2
J O , kgm 35 45 45 49 55 60 59 67 58 49
Center of masses for link 3 is placed on the cross point of medians. Masses of
simple links is determined by the formula - m  10 l i  . J O – equivalent mass
kg
i
moment of inertia for group of links that were joined to crank with constant
transmission ratio.

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