1
Q
direct system (tpm)
A
t=TM/ sqrt(ntex)
2
Q
indirect system (tpi, tpm)
A
t=TM sqrt(N)
3
Q
Contraction twist equation w yarn count
A
N2=N1(1-%C)
4
Q
Contraction twist w linear density
A
n2=n1/(1-%C)
5
Q
Contraction twist w twist density
A
t2=t1/(1-%C)
6
Q
Winding velocity
A
(b-f)(pid)
7
Q
WV B
A
bobbin speed in revs/min
8
Q
WV f
A
flyer speed in revs/min
9
Q
b-f WV
A
winding speed in revs/min
10
Q
productivity on roving frame
A
Ufly* E/ 504TM(ne^1.5)
11
Q
ringing spin twist
A
spindle speef(rev/min)/ delivery speed (m/min)
12
Q
ringing spin productivity
A
p= UspE/ 504TM*N^1.5
13
Q
Winding count
A
1/Neq= 1/n1+1/n2+1/n3
14
Q
machine twist in tpi
A
usp/ vfr
15
Q
twist gear
A
TK/t
16
Q
frame number
A
machine requirement/p
17
Q
time
A
machine requirement/p
18
Q
tm2
A
t2/sqrt(n2)
19
Q
t2
A
t1/1-%c
20
Q
Vfr
A
ufly/t1
21
Q
%C
A
1- t1/t2
TT327
flashcards
Decks in class (13)
# Cards
