Skip to main content

YARN CLEARER INFORMATION

By

YARN CLEARER INFORMATION

1.Winding speed should be around 1250 meters/ min

2. Machines with tension management is preferred


3. Clearer settings should be as close as possible. Loepfe  Yarn master setting is given below

N -4.0 (nep) : DS-2.0 (short) : LS-1.6 (short) : DL-1.18 (long) : LL-40 : (long) -DS-14%(thin) : -DL-40(thin)

Since Loepfe has a facility of class clearing. "C"s to be added in such a way that the following faults which are

displayed in Loepfe class clearing should be cleared.

A4,A3,B4,B3, B2(50%),C1,C2,C3,C4,D1,D2,D3,D4,E,F,G,H1(50%),H2,I1,I2


4. Count channel setting should be less than 7%


5. Setting for cluster faults should be set such that, if a yarn produced without bottom apron, or damaged rubber

cots is fed, it should be cut by the clearer


6. Long thick faults in the cone yarn should be zero


7. Long thin faults should be zero


8. If the waxing attachment is below the clearer, the clearer should be cleaned once in a day


9. Splice strength should be more than 75% of yarn strength


10. Splice appearance should be good and all the splicers should be checked at-least once in a week


11. Good quality wax should be used

• wax pick up should be around 0.1%

• uniform application of wax to ensure uniform coefficient of friction (0.125 to 0.15)


12.Uniform moisture in the cones is important, because coefficient of friction varies as a function of moisture


13. All wax rollers should rotate properly


14.Repeaters should be as low as possible, because this will affect the package quality


15. It is advisable to produce cones with 1.8 to 2.4 kgs


16. Yarn tension in winding should not be very high


17. Imperfection increase between ring frame and winding should not be more than 30% for cotton combed yarns

Labels:

Comments

Post a Comment

If you have any doubts, Pls let me know

Popular posts from this blog

RKM

By
RKM INFORMATION This can be expressed by the “Length of yarn in km” at which yarn will break of its own weight”. This is equivalent to breaking load in g/tex. RKM is the short expression for “Reisskilometer” – “Breaking-kilometre”, which is an unit out of date. E.g.: a Cotton-yarn with 15 RKM means, it would break of its own weight, if you wind off 15 km of the yarn and hang it up in 15 km. Nowadays it is common practice, to use the unit Centi-Newton per Tex (cN/Tex) or gram-force per Tex (gf/Tex). RKM and cN/Tex or gf/Tex are practically the same (a slight difference would be there)   SINGLE YARN STRENGTH (Breaking force) :  This is the force required to break a strand of single yarn. It is expressing Centi-Newton (cN).     STRENGTH (Tenacity) : The Tensile Strength expressed as force per unit linear density is called Tenacity. This is normally expressed as gram force per tex (gf/tex).   CSP (Count Strength Product) : CSP, the bundle strength...
Post a Comment
Read more

LOW RKM REASONS

By
LOW RKM REASONS TO START WITH SLIGHTLY RICHER MIXING AND BACK TO USUAL MIXING% GRADUALLY. AVOID BYPASSING OF THE BEATERS. CHANGING OF THE CARD LINES TO BE AVOIDED . TO START WITH HIGHER NOIL% AND REDUCE GRADUALLY TO USUAL    IF REQUIRED. SOFT WASTE ADDING TO BE AVOIDED FOR FIRST 3 OR 4 MIXINGS. IN SIMPLEX M/C CHECK THE FOLLOWING     a) FALSE TWISTER CONDITION     b) FLOATING CONDENSER CONDITION .     C) DAMAGE COT/APRON .     d) DEFECTIVE SADDLES .     f) TOP ARM LOAD .     g) PRESSER EYE CONDITION .     h) FLUFF ACCUMULATION ON FLYER HOLE .     i) BOBBIN CLEARANCE VARIATION .     j) CONE DRUM NOISE     k) FEED CAN CONDITION         l) SLIVER SPITING . IN SPINNING M/C CHECK THE FOLLOWING:     a) CRISIS-CROSS ROVING .     b) BOBBIN HOLDER ROTATION .     C)DAMAGE COT/APRON.     d)DEFECTIVE SADDLES.     f)TOP ...
Post a Comment
Read more

HOW TO REDUCE CLASSIMATE FAULTS

By
REDUCING CLASSIMATE FAULTS 1) Count wise online Classmate classes wise results to be record on daily basis 2) Before allotting this work we want to educate quality investigator about Classmate faults and also class wise reasons we want to explain. While noting time investigator has highlight which class is having continuous higher side and same one communicate to that concern dept with reasons 3) We want to fix which classes we want to reduce 4) On daily basis monitoring we can get idea in which zone we r having problem and which zone we want to improve the work methods and process  5) Based on trend analysis we want to inspect process auditing and find out practical problems and also Training awareness we want to give to operators for reducing some classes  6) We can take process trials based on Online Classmate results  7) Regularly we want to compare daily Online results Vs Trial sample results for knowing Where we are Note: Choosing of quality investigator is import...
Post a Comment
Read more