Parts of Circular Knitting Machine and Their Function

Circular Knitting Machine:
Circular knitting machine is widely used through out the knitting industry to produce fabric. This machine can be built in almost any reasonable diameter and the small diameter of up to five, which are used for wear.

Machine for outerwear and under wear may vary from 12 inch to 60 inch in diameter according to manufactures requirement. This machine can be used either as fabric or for making garments completely with fancy stitch. Latch needles are commonly employed in all modern circular machines because of their simple action and also their ability to process more types of yarns. 
Circular knitting machine
 Important Parts of Circular Knitting Machine:

Creel: Creel is a part of a knitting machine. Hear yarn package are store and ready to feed in the machine.
Photo: Creel.
VDQ Pulley: It is a very important part of the machine. It controls the quality of the product. Altering the position of the tension pulley changes the G.S.M. of the fabric. If pulley moves towards the positive directive then the G.S.M. is decrease. And in the reverse direction G.S.M will increase. 

Photo: VDQ Pulley.
Pulley Belt: It controls the rotation of the MPF wheel.
Photo: Pulley Belt.
Brush: Its clean the pulley belt. 

Photo: Brush.
Tension Disk: It confronts the tension of the supply yarn.

Photo: Tension Disk.
Inlet and Outlet Stop Motion: It is an important part of the machine. It stops the machine instantly when a yarn is break.
Photo: Inlet and Outlet Stop Motion.
Yarn Guide: Its help the yarn to feed in the feeder.
Photo: Yarn Guide.
MPF Wheel: Its control the speed of the MPF. Pulley belt gives motion to the wheel.
Photo: MPF Wheel.
MPF: It is Mamenger positive feed. It is also an important part of the machine. It’s give positive feed to the machine.
Photo: MPF.
Feeder Ring: It is a ring. Where all feeders are pleased together.
Photo: Feeder Ring.
Disk Drum: Use in jacquard machine to produce various types of design.
Photo: Disk Drum.
Pattern Wheel: Pattern Wheel use in Pai Lung and Auto Stripe machine because of that that help to produce various types of design and stripe.
Photo: Pattern Wheel.
Feeder: Feeder is help yarn to feed in to the machine.
Photo: Feeder.
Needle Track: Where all Needles is placed together in a decent design.
Photo: Needle Track.
Needle: It is a principal element of the knitting machine. Its help the yarn to create a loop. And by this way fabric are produce. Prior to yarn feeding the needle is raised to clear the old loop from the hook, and received the new loop above it on needle stem. The new loop is then enclosed in the needle hook as the needle starts to descend.
Photo: Different Types of Needle.
Sinker: It is most important element of the machine. Its help to loop forming, knocking over and holding down the loop.
Photo: Sinker.
Sinker Ring: Sinker ring is a ring. Where all sinkers are pleased together.
Photo: Sinker Ring.
Cam Box: Where the cam are set horizontally.
Photo: Cam Box.
Cam: Cam is device s which converts the rotary machine drive in to a suitable reciprocating action for the needles and other elements.
Photo: Cam.
Lycra Attachment Device: Lycra is placed hear. And feeding to the machine.
Photo: Lycra Attachment Device.
Lycra Stop Motion: It is one kind of stop motion to stop the machine when the Lycra is break.
Photo: Lycra Stop Motion.
Cylinder: Needle track are situated hear.
Photo: Cylinder.
Cylinder Balancer: It helps the cylinder to set in a proper alignment.

Photo: Cylinder Balancer.
Uniwave Lubrication: The Uniwave lubricator provides uniform lubrication to needles, cam tracks, lifters and other knitting machine components. The patented nozzle construction separates the air-oil mixture into air and droplets of oil.

Photo: Uniwave Lubrication System.
Adjustable Fan: This part removes lint, hairy fibre from yarn and others. To clean the dust by air flow.

Photo: Adjustable Fan.
Expander: To control the width of the knitted fabric. No distortion of the knitting courses. Even take down tension in the knitting machine. As a result, an even fabric structure is achieved over the entire fabric width. The deformation of the knitted fabric goods can be reduced.

Photo: Expander.
Needle Detector: This part detect the any type of faults of needles.

Photo: Needle Detector.
Air Gun Nozzle: To feed the yarn; sometimes it is used for cleaning purpose.

Photo: Air Gun Nozzle.
Author of This Article:

Apu Das
B.Sc. in Textile Technology
Chittagong Textile Engineering College
Facebook: Apu Das

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Mazharul Islam Kiron is a textile consultant and researcher on online business promotion. He is working with one European textile machinery company as a country agent. He is also a contributor of Wikipedia.

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