Sizing: It is
the technique of applying a protective coating on the surface of the warp in
order to enable the warp to withstand various stresses and strains that it is
subjected to the loom.
Objectives:
To increase the weavability of yarn by:
1) Increasing its resistance to abrasion
2)Reducing the hairiness of yarn
3) Improving the yarn strength
Objectives:
To increase the weavability of yarn by:
1) Increasing its resistance to abrasion
2)Reducing the hairiness of yarn
3) Improving the yarn strength
ABOUT SIZE BOX :
•
It
is used in
sizing process.
•
It is the box in which the size paste
rests during sizing.
•
It can be made up of cast iron or stainless steel.
•
Most of sized yarn properties can be
controlled here.
•
Impregnation
of the warp yarn with size is done in this box.
•
It
is used in
sizing process.
•
It is the box in which the size paste
rests during sizing.
•
It can be made up of cast iron or stainless steel.
•
Most of sized yarn properties can be
controlled here.
•
Impregnation
of the warp yarn with size is done in this box.
Types of size box :-
Ø Conventional
size box:-
§ Single
pair of rollers are used.
Conventional size box |
Ø modern size box:-
§ Single
& double pair of rollers are used.
Components of
Size Box::
•
Size
box (Vessel)
•
Steam
pipe
•
Immersion
roller
•
Squeeze
& size roller
•
Auxiliary
& control devices
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