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Appendix B

Task № 1
Cutting press mechanism

Input data
Variables Variants
designa-
tion 1 2 3 4 5 6 7 8 9 10
а, m 0,450 0,450 0,500 0,500 0,500 0,400 0,440 0,600 0,550 0,470
b, m 0,325 0,325 0,120 0,150 0,150 0,300 0,250 0,300 0,300 0,280
l , m 0,060 0,075 0,070 0,095 0,085 0,095 0,100 0,100 0,080 0,090
OA
l , m 0,390 0,540 0,430 0,425 0,615 0,525 0,360 0,500 0,440 0,350
AB
l , m 0,280 0,360 0,280 0,350 0,360 0,390 0,400 0,420 0,340 0,400
BC
l , m 0,300 0,400 0,280 0,350 0,360 0,390 0,400 0,420 0,340 0,400
BD
n ,rpm 90 80 100 95 75 60 105 90 80 85
1
G 5 , N 600 650 700 750 800 850 550 500 450 400
F, kN 12 14 15 20 21 1,8 1,7 1,6 1,1 1,4
2
J O , kgm 23,90 25,40 24,30 24,25 36,15 35,25 23,60 35,00 24,40 23,50
Masses of simple links is determined by the formula - m  10 l i  . J O –
kg
i
equivalent mass moment of inertia for group of links that were joined to crank
with constant transmission ratio.

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