Core yarn recommendations

1. Mar-03
1
RECOMMENDATIONS
&
CONTROL POINTS
FOR
CORE YARN SYSTEM
Mithat ÖZTEKİN
Electronic Eng. (Ms)

2. Mar-03
2
* Yarn Count Range / Draft Range / Lycra Dtex

3. Mar-03
3
* Relation between Elasticity and Draft

4. Mar-03
4
* Steaming
• Generally, I dont recomment conditioning Cop or Cone
• İf Necassary, ( your customer requested )
only CONE/Yarn package conditioning but we should do as below
1- Yarn PackageTube should has hole own surface
2- 2 cycle condition ; 5 min. 55 o
C
20 min. 58 o
C
3- Waiting time of Package at storehause should be minimum
( conditioned package should be use asap )
Soft winding
Tube Type

5. Mar-03
5
* Lapping on Lycra Rollers
- Don’t use any Cutter
- Clean by hand

6. Mar-03
6
* Lycra Package
- Lycra must move on Roller
- Side surface of Lycra package will not damaged

7. Mar-03
7
Fiber
Lycra
Bottom
View
Core Yarn
* Centring of Lycra

8. Mar-03
8
1 – If Filament production year less than 3 month
you can finish complete otherwise dont finished it
2 - Humidity ( Keeping of flament at humidity room )
* Filament + Tube

9. Mar-03
9
* Filament
- Production Year should be same
- Same LOT should be on machine

10. Mar-03
10
* Filament
- All package should be finish same time
- to change lycra package alltogether will be easy for operators

11. Mar-03
11
• Balloon will not touch
surface of separators
• Traveller changing
period 1 week
* Tarveller and Ballon

12. Mar-03
12
• Yarn is touching
surface of Tube

13. Mar-03
13
• Traveller speed must
be 25 max.
• Traveller life cycle
must be max. 7 day
* Tarveller
- Traveller Type
- Traveller Speed
- Traveller Life cycle

14. Mar-03
14

15. Mar-03
15
• Winding end of tube
• Set the parameter on Terminal of Ring
Frame Menu
• Otherwise yarn will break starting of
doffing

16. Mar-03
16
• Should be Standart COAT on Machine
- According Fiber type , All Coat should be same on Machine

17. Mar-03
17
• Surface of Back and Front Coats
must NOT be damage
• Peripdically should be control

18. Mar-03
18
• Should be non-damage APRON on Machine
• TOP and BOTTOM APRON must NOT be
damage
• Peripdically should be control

19. Mar-03
19
• Front Roller must be clean on Machine

20. Mar-03
20
It is necessary a right adjustment of the blower.
•Other wise Roving will go out of roving stopper
•Will be reason of Yarn fault
•Will not clean filament package
•Will not keep to clean sensor roller
NOT too many
NOT too narrow
• BLOWER Position

21. Mar-03
21
• Front Roller speed of Machine
• Actual measurment speed should be
same speed with AMSLER’s display
• Lycra Roller speed
• Checking SET values with measurements
FORMULA ;
Front roller speed of machine / Lycra Roller speed = Lycra Draft

22. Mar-03
22
• OPERATOR CONTROL POINTS ON MACHİNE
• Filament / Lycra
1 - Winding
2 – Move on the Rollers
3 – Lycra should be inside of slot of Rollers
4 - Lapping on Rollers

23. Mar-03
23
• Lapping

24. Mar-03
24
• One of the roller of
Blower should be metal
or bearing
•Metal roller should touch
to rail for good grounding
•Additional grounding will be
better inside AMSLER control
box
* Grounding

25. Mar-03
25
THANK YOU VERY MUCH
Mithat ÖZTEKİN
Electr. Electronical Eng. Cotton Expert (Ms.)