A comprehensive study on interlock circular knitting machine.


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A Comprehensive Study on Interlock Circular Knitting Machine.

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A comprehensive study on interlock circular knitting machine.

  1. 1. WELCOME To our Presentation
  2. 2. OUR PROJECT TITLE ON A Comprehensive Study on Interlock Circular Knitting Machine.
  3. 3. SUBMITTED TO Md. Mahmudul Islam Lecturer Department of Textile Engineering Southeast university
  4. 4. PREPARED BY Name ID Md. Shafin Ahamed Shovo 2011000400001 Istiak Ahamed 2011000400002 Reaj Hossain 2011000400003 Md. Raysul Islam 2011000400005 Shariar Alam 2011000400006 Md. Hasanuzzaman 2011000400007 Asim Barman 2011000400008
  5. 5. Introduction Knitting is the method of creating fabric by transforming a continues strands of yarn into a series of interlocking loops, each row or such loops hanging by the one immediately preceding it. There are two types of knitted fabric: 1) Single jersey knitted fabric. 2)Double jersey knitted fabric. a)Rib Structure knit fabric b)Interlock Structure knit fabric
  6. 6. • Plain structure: • Plain is produced by the needles knitting as a single set drawing the loops away from technical back and towards the technical face side of the fabric. • Example:Jersey,lily,Jersey blister, Single lacoste etc. plain structure fabric Rib-Structure fabric • Rib-Structure: • The structure which requires 2 sets needle operating in between each other so that wales of face side and wales back side of the fabric is called rib structure.
  7. 7. Interlock structure: Inter lock is another 1*1 rib variant structure which is produced on specially designed m/c. these m/c process two sets of needles in both cylinder and dial and at least two process. Interlock fabric purl fabric. Purl structure: The 4th family of knit structures is the purl knit. As with rib structures, it requires the participation of both needle beds for the production of the loops. Purl fabric are knitted on machines with special equipment (one set of needles),which are double-ended latch needles and special devices of drive them, allowing loops to be intermeshed in two directions.
  8. 8. INTERLOCK The circular Interlock machine is a very commonly used machine in country to make Interlock knitted fabric. Interlock structure is a double faced Interlock structure which consists of two 1×1 Interlock structures. These two 1×1 Interlock structures are joined by interlocking sinker loops and thus produce interlock structure. Interlock structure is produce by special cylinder dial circular machines. Double system V-bed flat knitting machine also used to produce interlock structure.
  9. 9. Interlock Fabric Structure
  10. 10. Yarn to fabric path diagram
  11. 11. Yarn to fabric path diagram • Yarn from package set in the creel comes into m/c with the help of the guide & tensioner. With the help of feeder yarn is feed to the needles of cylinder & dial. Then yarn in fabric from comes to take down roller & lastly cloth roller
  12. 12. Knitting Action of the m/c
  13. 13. Knitting Action of the m/c
  14. 14. If a Interlock circular knitting m/c has following specification…… m/c Diameter = 30’’ m/c gauge =20 No of feeder = 40 Stitch = 2.2mm Yarn count = 28Ne =21.08 tex Shift = 8 Hrs Efficiency = 90%=0.90 m/c RPM = 22 CPI = 36
  15. 15. Then Production will be
  16. 16. In Interlock circular knitting machine, The motor gets power from electricity and motor pulley connect to m/c pulley with Belts and m/c pulley also connect to Bevel gear, which is also connect with cylinder gear as a result cylinder revolves & Helical gear connect with bevel gear, When motor revolves, by these pulley & gear, motion transfer to cylinder & Dial as a result cylinder & Dial revolves.
  17. 17. Important parts of m/c: • Yarn guides • Dial • Dial cams • Cylinder cams • Dial needles • Yarn Package career
  18. 18. Yarn Package career: yarn package Career contains the yarn cone/packages. Needle: An element which forms loops and wales. Tricks: Slots which guide needles during knitting Cylinder: a cylinder drum which contains slots, needles and sinkers. Dial: a horizontal plate which contains slots and horizontal needles Yarn guide: Its guide the yarn from package to Dial/Cylinder. Dial Cams: Its Helps in the movement of dial needle Cylinder cams: Its Helps in the movement of Cylinder needle Oiling: Oiling needs in knitting m/c because of abrasion free movement of needle in cylinder & dial cams Sensors: Sensors used in knitting m/c to find out the yarns breakage during knitting process. Motor: Motor is the top most important parts of knitting m/c. Motor is used to transfer the motion to cylinder & Dial. Roller: Rollers are used to take up the fabric. Belts: Belts are used to connect the pulley to each other.
  19. 19.  From this work study we learn almost everything's about Interlock Circular Knitting Machine. Its yarn to fabric path diagram, knitting action , Production, gearing system, different parts functions etc.
  20. 20. References  Class Lecture.  Circular knitting, By lyer/schach/Mammel, Second edition  International Journal of Engineering & Technology IJET-IJENS Vol: 11 No: 01  www.wikipedia.com  www.britanica.com  http://www.autexrj.org/No4-2006/0217.pdf  http://textilelearner.blogspot.com/2012/01/mechanical- interlock-circular-knitting_29.html#ixzz1sec2XeLV  Etc…………..