The document provides a practical analysis of interlock circular knitting machines, detailing various settings and parameters for producing stripe fabrics. It outlines the machine's specifications, including components like needles and cams, as well as the effects of different yarn counts and stitch lengths on fabric weight (gsm). The study demonstrates the production of six types of stripe fabrics using different yarn colors and examines the influence of machine settings on quality and output.

1. Practical Analysis of different
setting and change point
of Interlock Circular Knitting
Machine along with stripe
production
Supervised By: Eng. Md. Sayful
Islam

2. JensMartensson
2
Group
Members
Name Student ID
MD. INJAMAMUL ISLAM Z2015-1-2025
MD. FAYSAL AMIN Z2015-1-2009
NAZMUS SAKIB Z2015-1-2002
MD. JOYNAL ABEDIN Z2015-1-2014
MD. MIJANUR RAHMAN Z2015-1-2015
ABU SALEH MOHAMMAD NASIM Z2015-1-2016

3. Name of the Topics
1. Introduction
2. Objective
3. Specifications
4. Machine Description
5. Machine Parts
6. Machine parameters
7. Stripe Fabric
8. Needle Arrangement
9. Cam Arrangement
10. Construction Of Interlock
Stitch
11. Result
12. Summary
Outlines

4. JensMartensson
Subtitle lorem ipsum
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Introduction
• This article represents different
setting of the interlock circular
knitting machine including V.D.Q
Pulley, Machine Gauge, Machine
Diameter and Needle Gauge.
• We have produced 6 types of stripe
fabric in this machine by using
different colored yarn.
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5. JensMartensson
Objectives
.
• To know different setting of circular knitting machine.
• To know the functions of VDQ Pulley.
• To know how to produce stripe effect.
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6. JensMartensson
Machine name: Interlock Circular Knitting
Machine
Company: SMART MACHINERY CO. LTD.
Origin of the machine: Taiwan
Model no. : SMD-C4R2
Gauge of the machine: 24
Dia of the machine: 17
No of Feeder: 34
Serial no: 90003
Creel Capacity: 84.
Feeding: Positive.
Specifications
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The machine has two sets of needles on two different beds, one set on cylinder one in the
dial bed. These two sets of needles must be exactly opposite to each other.
The machine has two separate cam system in each bed needles of different length, called
short needles and long needles. One cam system controls knitting at one feeder and other
cam system controls at the next feeders. Take down mechanism is same as the other
Interlock and plain machines mechanism.
Machine Description
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8. MD. FAYSAL AMIN

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Cylinder
Dial
Cylinder cam
Dial cam
Cylinder needle
Dial needlle
Yarn career
Yarn guide
Machine Parts
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Sensor
Take up roller
Motor
Belts
Pulleys and gears

10. JensMartensson
V.D.Q Pulley
Machine Gauge
Machine Diameter
Needle Gauge
Machine Parameters:
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V.D.Q pulley (Variable dia for Quality 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 direction
then the GSM is decreased and in reverse
direction GSM will increase.
V.D.Q. Pulley:
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12. JensMartensson
No. of needle per inch present in a needle bed
of a knitting machine is called machine gauge.
Selection of machine gauge depends upon the
following: Yarn count, Fiber type, Yarn twist,
Yarn finished.
Machine Gauge:
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Machine diameter is mainly diameter of
machine cylinder. It is important for fabric width.
Machine Diameter:
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Thickness of needle express by the needle gauge. It is important for selection of
machine gauge.
Needle Gauge:
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15. MD. JOYNAL ABEDIN

16. JensMartensson
There are two types of cam arrangement
in interlock knitting machine. Cylinder
cam arrangement and dial cam
arrangement.
For every odd number feeder there are
used same type of cam arrangements
and for every even number feeder there
are used same types of cam
arrangements.
Interlock Cam Arrangement:
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Figure: 1

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For following this cam track there are
used two butt needles, short butt
needles and long butt needles.
Short butt needle follow the first cam
track and long butt needle follow the
second cam track.
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Interlock Needle Arrangement:
Figure: 2

18. MD. MIJANUR RAHMAN

19. JensMartensson
There are TWO type of needle arrangement in
circular machine.
When the needle heads are offset with each
other, it is called rib gating.
If the needle heads are facing with each other,
it is called interlock gating.
Types of Needle Arrangement
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Interlock has the technical face of plain fabric on
both sides, but its smooth surface cannot be
stretched out to reveal the reverse meshed loop
wales because the wales on each side are
exactly opposite to each other and are locked
together. Each interlock pattern row requires
two feeder courses, each. Thus, odd feeders will
produce alternate wales of loops on each side
and even feeders will produce the other wales.
Construction of Interlock Stitch
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21. NAZMUS SAKIB

22. JensMartensson
A . Feeder Stripe
B . E n g in eerin g S trip e
Types of Stripe Fabric
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23. JensMartensson
Feeder stripe has a small repeating unit
approximately 1.9 inch, it is the terminology
been used when stripe is manufactured on
regular single jersey machine. The feeder stripe
designs are knitted on general circular knitting
machine. The main principle is to feed 2-3 colors
on the feeders according to design and let the
machine knit the required design. The knitting
machine has a capacity for many cones of yarn.
If you have inserted 8 black yarns to the feeder,
with 100 cones white yarn next. When knitting
starts you will see within the 2” repeat there is a
black and white horizontal stripe.
Stripe Fabric:
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The fundamental element in construction of
knitted fabric is the knitting needle. Needle is
the main knitting tools and also the principle
element of knitting machine. During yarn
feeding the hook is opened to release the
retained old loop and to receive new loop which
is than enclosed in the hook. The new loop is
than drawn by the hook through the old loop
which slides on the outside of the bridge of the
closed hook. All needle must there for have
some methods of closing the needle hooks to
retain new loop and exclude the old loop. In
knitting operation three types of needle mostly
used. We have used “Latch Needle” for knitting
operation.
Needle Arrangements
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25. ABU SALEH
MOHAMMAD NASIM

26. JensMartensson
100% cotton knitted 1×1 interlock stripe fabrics
having different areal density were used in this
experiment. Fabrics were produced in our fabric
lab using “Interlock Circular Knitting Machine”.
The fabric has a variety of geometrical
properties like GSM, count, and stitch length.
Materials:
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Comparison of different parameters of samples
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Sample Yarn Count Stitch Length GSM
A 30 1.65 cm 237
B 34 1.57 cm 253
C 40 1.55 cm 268
D 28 1.75 cm 230
E 32 1.59 cm 246
F 34 1.64 cm 248

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HATRA Course Length Tester (SDL Atlas, England) were used for measuring stitch
length
Determination of Stitch Length:
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The effect of yarn count and stitch length on
fabric weight normally termed as GSM at
different processing stages. It is clearly seen from
the above table that with the increasing of the
yarn count and stitch length, the fabric GSM also
increased. The GSM were increased as different
percentages for the samples of A, B,C,D,E and F
respectively. Conversely, the GSM were
decreased as different percentages for the
samples A, B,C,D,E and F correspondingly. It is
also obviously noticeable from the above table
that with the increasing of the yarn count, the
fabric GSM also increased in dyeing and washing
state and finished state compared to grey state
when stitch length was fixed.
Fabric GSM:
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30. Thank You