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USEFUL TIPS FOR SPINNERS
Fibre property of polyester fibre
Cut length
Denier
Fibre strength
Moisture regain
Specific gravity
Electrostatic
Spin finish
How to identify the Reliance polyester fibre through identity label
Ex...D 4 A 50
D....represent merge number
4.... Staple length
A... Denier
50... Line of manufacture
( 15,25)..Hajeera
(60,50,75)...Orissa
A..1.2 d
F...1.4 d
J...0.8 md
D..1.0 d
The level of spin finish for polyester fibre varies from0.1--0.2
Nominal finish is .005%
Coarser fibre and p/v blends with higher speed needs more spin finish
BLOW ROOM
Fine tuning of blowroom machines to improve the following
1)cleaning efficiency
2)waste %
3)lint loss in waste
4)reduction in NEP generation
CARDING
Good carding is always essential for good quality yarn..
Objects of carding
1)fibre in dualisation
2)To remove neps,tiny lumps.fused fibres
3)To blend fibres
4)To delivery of continuous even sliver
On an average fibre goes around the cylinder 4 to 8 times before transferred to doffer
The wire angle is great importance for man made fibre
Usually coarser fibre greater angle 80 degree vice versa
70 degree is recommended for higher and finer fibre
Finer the fibre higher the PPSI.
Licker- in with 1.2--1.4 recommended for man made fibre
The difference of the wire angle of cylinder and doffer is kept around 10- 15 degree.for better transfer coefficient..
Ratio of surface speed of cylinder and licker-in is kept around 2.5-3.0 to avoid loading.
Neps/gram for polyester is 1 for viscose -2
More about Carding.. Drawing..speed frame...Ringframe and Latest Autoconers
Also quality analysis at every stage ....quick reference for spinner to get best premium yarn
More to come....still to be continued
Suggestion and comments are appreciated
,🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷
Contents collected and posted by THIYAGARAJAN
rajshasaga@gmail.com.... Mobile 9994900396
Comments can be posted in my blog
Fibre property of polyester fibre
Cut length
Denier
Fibre strength
Moisture regain
Specific gravity
Electrostatic
Spin finish
How to identify the Reliance polyester fibre through identity label
Ex...D 4 A 50
D....represent merge number
4.... Staple length
A... Denier
50... Line of manufacture
( 15,25)..Hajeera
(60,50,75)...Orissa
A..1.2 d
F...1.4 d
J...0.8 md
D..1.0 d
The level of spin finish for polyester fibre varies from0.1--0.2
Nominal finish is .005%
Coarser fibre and p/v blends with higher speed needs more spin finish
BLOW ROOM
Fine tuning of blowroom machines to improve the following
1)cleaning efficiency
2)waste %
3)lint loss in waste
4)reduction in NEP generation
CARDING
Good carding is always essential for good quality yarn..
Objects of carding
1)fibre in dualisation
2)To remove neps,tiny lumps.fused fibres
3)To blend fibres
4)To delivery of continuous even sliver
On an average fibre goes around the cylinder 4 to 8 times before transferred to doffer
The wire angle is great importance for man made fibre
Usually coarser fibre greater angle 80 degree vice versa
70 degree is recommended for higher and finer fibre
Finer the fibre higher the PPSI.
Licker- in with 1.2--1.4 recommended for man made fibre
The difference of the wire angle of cylinder and doffer is kept around 10- 15 degree.for better transfer coefficient..
Ratio of surface speed of cylinder and licker-in is kept around 2.5-3.0 to avoid loading.
Neps/gram for polyester is 1 for viscose -2
More about Carding.. Drawing..speed frame...Ringframe and Latest Autoconers
Also quality analysis at every stage ....quick reference for spinner to get best premium yarn
More to come....still to be continued
Suggestion and comments are appreciated
,🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷
Contents collected and posted by THIYAGARAJAN
rajshasaga@gmail.com.... Mobile 9994900396
Comments can be posted in my blog
Comments