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Mechanical Interlock Circular Knitting Machine

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Experiment name: Study about Mechanical Interlock Circular Knitting Machine.

Objectives:
To learn regarding the different components of the machine.
To understand the functions of these components.
To learn the knitting technique of interlock m/c.
To discover the characteristics of the interlock circular knitting m/c

Introduction:
Interlock structure is a double confronted Interlock structure that consists of 2 1×1 Interlock structures. These 2 1×1 Interlock structures are joined by interlocking sinker loops and therefore provide interlock structure. Interlock structure is make by unique cylinder & dial circular machines. Double program Tricot flat knitting machine equally chosen with make interlock structure.

Machine specification:
Brand: MYK
Model: FILS
Origin: Japan
Manufacturing company: MIYAKE KNITTING MACHINE W. LTD.
Manufacturing year: 1965
Serial: 1289/3
Dia of cylinder: 17 inch
Needle Gauge: 20
No of feeder: 20
No. of needle: 204
Motor Rpm: 1430

Machine description (Yarn to fabric path diagram):
Yarn from package set inside the creel comes into m/c with the guide & tensionar. With feeder yarn is feed with the needles of cylinder & dial. Next yarn inside cloth from comes with take down roller & lastly fabric roller.

Machine parts:  

  1.  Yarn career 
  2.  Break stop motion 
  3.  Yarn guides 
  4.  Dial 
  5.  Cylinder 
  6.  Dial cams 
  7.  Cylinder cams 
  8.  Dial needles 
  9.  Cylinder needles 
  10. Oiling and air following devices 
  11.  Spreader 
  12.  Take up rollers 
  13.  Batch rollers 
  14.  Motor 
  15.  Belts 
  16.  Pulleys and gears Clutches
Operation Principle:
The yarn is provided from cone, placed either about an key over head bobbin stand or 1 free standing creel from tensioners stop motion & guide eyes right down to the yarn feeder guides.

The materials is tube shape is drawn downwards from inside the needle cylinder by tension rollers & is wound about with the cloth batching roller of winding down materials.

The winding down device revolves inside unison with all the cylinder & materials tube & inside rock lever operated through cam fans running found on the underside of the profiled cam – ring.

The sinker cam plate is installed outside found on the needle round, the center of the cylinder is called an open top or sinker top m/c.

Interlock cam system:
In the figure the cylinder plus dial camming with provide 1 course of average interlock cloth that is really function of 2 knitting feeders.

The cylinder cam:
• A → clearing cam that lifts the needles with clear the older loop
• B, C → stitch cam plus protect cams respectively both vertically adjustable with control the stitch size.
• D → up by with rise the needle while dial needle knock over
• E, F → protect cam with complete the truck
• G, H → guide cam with offer the track for idling needles

The dial system:
• 1. Raising cam for tuck position just
• 2, 3. Dial knock over cam
• 4. Guard cam with compete the truck
• 5. Auxiliary knock over cam with avoid the dial needle reentering the older loop
• 6, 7 Guidebook cams delivers the tracks for idling needles
• 8.Sewing kind clearing cam that might occupy the knitting position because shown inside feeder 1 or inside tuck position at feeder 2.

Knitting Action:
The knitting cycle of the interlock machine is split into 8 headings. These are generally discussed under,
• Position – 1: Rest position: The head of these needles are inside the range of the knock over edges of cylinder & dial respectively.
• Position – 2: Tucking position of dial needle: The dial needles are brought into the tucking position.
• Position – 3: Tucking position: The cylinder needles are created the tucking position.
• Position – 4: Clearing position of dial needle: The dial needles are come into the clearing position.
• Position – 5: Clearing position: The cylinder needle are come into the clearing position.
• Position – 6: Yarn presenting position: Both cylinder & dial are moved with the yarn presenting position.
• Position – 7: Cast about position: Both cylinder & dial are moved with their cast about position.
• Position – 8: Knock over position: Both cylinder & dial are reaches with the knock over position.

Conclusion:
The circular Interlock machine is a pretty popular machine inside nation with create Interlock knitted cloth. So this test has importance inside the research lifetime. In this test you sketch the yarn path diagram of the machine, the knitting action, cam program. We point out the different specification of the machine. So the test assists you with understand more. Above all test is a lucrative 1.

Textile Learner


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