Page 39 - 6742

Appendix B

Task № 8
Press mechanism

Input data
Variables Variants
designa-
tion 1 2 3 4 5 6 7 8 9 10
а, m 0,210 0,240 0,250 0,300 0,400 0,350 0,320 0,450 0,500 0,550
l , m 0,040 0,050 0,060 0,070 0,030 0,080 0,020 0,055 0,045 0,100
OA
l , m 0,250 0,320 0,340 0,340 0,430 0,420 0,370 0,455 0,555 0,620
AB
l , m 0,180 0,210 0,225 0,200 0,190 0,240 0,160 0,300 0,320 0,320
BC
l , m 0,200 0,210 0,150 0,100 0,240 0,200 0,220 0,300 0,280 0,260
СD
l , m 0,400 0,380 0,360 0,400 0,600 0,700 0,650 0,560 0,600 0,650
DЕ
n ,rpm 60 70 80 90 100 110 120 95 75 105
1
G 5 , N 400 450 460 500 510 520 550 300 350 425
F, kN 10 12 15 8 7 20 25 6 18 9
2
J O , kgm 25 32 34 34 43 42 37 45 55 62
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.

38