1. Gii thiu v u lc thuc l:Thnh phn chnh ca u lc thuc l gm c:
tow, triacetin, giy vn, keo sa, v keo ht. Tow: acetate cellulose, c
mu trng. Mt si cellulose rt di c xp nhiu lp theo chiu ngang v dc
hnh thnh ln mt cc Tow dng khi hnh ch nht nng vi trm kg, L W H :
Triacetin: c tn khc l Glycerol triacetate. S dng lm cng u lc. Giy
vn: l giy trng c cun thnh cun di khong Keo sa: keo mu trng c s dng
gi tow dnh vi giy vn. Keo ht: l loi keo dng ht nh vi ng knh khong
3mm, c s dng dn mp giy vn hnh thnh ln u lc.2. Nguyn l hot ng:My sn
xut u lc ZL 22D c 3 cm chnh: Cm x l Tow YL 12D: c 4 rulo quay nh cc
motor servo, tc c th thay i c. Chc nng chnh ca cm ny l lm bung tow
rng v phun u triacetin ln si tow. Cm vn iu Cm ra khay
