Carding of long staple fibers Flashcards
1
Q
why roller carding for long staple?
A
less damanging on fibers, significant blending
2
Q
what is the output of woolen carding
A
carded web
3
Q
how many parts is a woolen card
A
2
4
Q
why do we intermediate feed
A
roller card has good blending along the length of the card but not the width
5
Q
semi-worsted uses a __ cylinder
A
single swift
6
Q
worsted layout of card depends on what
A
fiber type being processed
7
Q
woolen carding is fed by a
A
hopper feed
8
Q
output of a woolen card is a _
A
carded web
9
Q
what happens when the web comes from the final doffer?
A
split into thin strips by means of a series of crossing tapes
10
Q
what is a semi-worsted used for?
A
coarse man fibers
11
Q
worsted card can be considered?
A
first part of a woolen card
