core yarn recomendations_and_control_points
TRANSCRIPT
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Mar-03 1
RECOMMENDATIONS &
CONTROL POINTS
FOR
CORE YARN SYSTEM
Mithat ÖZTEKİN
Electronic Eng. (Ms)
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Mar-03 2
* Yarn Count Range / Draft Range / Lycra Dtex
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Mar-03 3
* Relation between Elasticity and Draft
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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 oC 20 min. 58 oC 3- Waiting time of Package at storehause should be minimum ( conditioned package should be use asap )
Soft winding
Tube Type
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Mar-03 5
* Lapping on Lycra Rollers
- Don’t use any Cutter - Clean by hand
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Mar-03 6
* Lycra Package
- Lycra must move on Roller - Side surface of Lycra package will not damaged
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Mar-03 7
Fiber
Lycra
Bottom
View
Core Yarn
* Centring of Lycra
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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
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Mar-03 9
* Filament - Production Year should be same - Same LOT should be on machine
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Mar-03 10
* Filament - All package should be finish same time - to change lycra package alltogether will be easy for operators
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Mar-03 11
• Balloon will not touch
surface of separators
• Traveller changing
period 1 week
* Tarveller and Ballon
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Mar-03 12
• Yarn is touching
surface of Tube
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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
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Mar-03 14
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Mar-03 15
• Winding end of tube
• Set the parameter on Terminal of Ring Frame Menu
• Otherwise yarn will break starting of doffing
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Mar-03 16
• Should be Standart COAT on Machine
- According Fiber type , All Coat should be same on Machine
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Mar-03 17
• Surface of Back and Front Coats must NOT be damage
• Peripdically should be control
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Mar-03 18
• Should be non-damage APRON on Machine
• TOP and BOTTOM APRON must NOT be damage
• Peripdically should be control
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Mar-03 19
• Front Roller must be clean on Machine
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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 rollerNOT too manyNOT too narrow
• BLOWER Position
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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
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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
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Mar-03 23
• Lapping
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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
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Mar-03 25
THANK YOU VERY MUCH
Mithat ÖZTEKİNElectr. Electronical Eng. Cotton Expert (Ms.)