6.11-rasm.
U zatm aning tezligi
& =
25
m/s b o ‘lsa, ikkala shkivning gardishi ham
qavariq shaklida tayyorlashni tavsiya etiladi. Shkiv gardishining
qavariqligi uning diametriga b o g ‘liq b o ‘lib,
quyidagicha olish tavsiya
etiladi:
d, mm
40-1 1 2
125; 140
160; 180
2 0 0 ; 2 2 4
250; 290
315;
355
e, mm
0.3
0.4
0.5
0.6
0.8
1.0
Yassi tasmali uzatm alar uchun shkivning eni, tasm aning eniga b o g ‘liq ,
y a ’ni:
B= 1.1 b + 10 m m
M a s a la : Yassi tasmali, yopiq silindrsimon
uzatmalardan tashkil
to pgan lentali konveyerda uzatish soni u=2,3,
/г, = 9 5 5 m i t r ', « 2 = 4 3 5 m in "'
