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Appendix B

Task № 4
Press mechanism

Input data
Variables Variants
designa-
tion 1 2 3 4 5 6 7 8 9 10
а, m 0,500 0,480 0,380 0,425 0,500 0,500 0,450 0,525 0,550 0,600
b, m 0,200 0,190 0,220 0,250 0,300 0,160 0,100 0,060 0,0 0,0
l , m 0,050 0,058 0,045 0,054 0,100 0,065 0,050 0,080 0,070 0,090
OA
l , m 0,380 0,482 0,335 0,330 0,500 0,405 0,400 0,480 0,550 0,560
AB
l , m 0,240 0,220 0,200 0,270 0,230 0,240 0,180 0,300 0,325 0,250
BC
l , m 0,256 0,200 0,300 0,270 0,305 0,220 0,280 0,300 0,250 0,200
СD
l , m 0,300 0,250 0,400 0,350 0,300 0,375 0,425 0,500 0,450 0,425
DЕ
 , град 35 30 45 40 35 20 50 45 38 48
n , rpm 88 62 45 54 65 70 90 100 110 120
1
G 5 , H 500 520 580 600 620 400 350 605 550 520
F, kN 50 40 60 100 120 10 25 150 200 5
2
J O , kgm 38 48 45 54 50 40 45 48 55 56
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. Center of masses for link 3 is placed on the
cross point of medians, centers of masses for links 2, 4 lie at half of their length.
Length l  0, l 1 .
ОS 1 OA

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