Download - Knitting Terms and Functional Elements

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2.1 INTRODUCTION

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Warp

Woven structure

Course

Wale

Wale

Course

Weft knitting Warp knittingWeft

Knitted structure

Fig. 2.1

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2.2 TERMS OF KNITTING (Fig. 2.2)

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Open Loop Face Loop Needle Loop

Closed Loop Back Loop Sinker Loop

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Fig. 2.2

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2.3 MACHINE DESCRIPTION

2.3.1 Frame�� .�� 0�� !�1� �� 2�� 3�� 3��

1 – Legs

2 – Cylinder

3 – Dial

4 – Needle

5 – Cam Parts

6 – Feeder guide

7 – Cam

8 – Supply Package

9 – Creel

10 – Top Stop motion

11 – Anti Snarl Device

12 – Tensioner

13 – Positive feeder

14 – Knitted fabric

15 – Fabric spreader

16 – Fabric withdrawal roller

17 – Fabric winding roller

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Fig. 2.3

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2.4 NEEDLES (Figs. 2.4 & 2.5)

1. Butt

2. Butt height

3. Back shank

4. Stem

5. Crimp

6. Groove

7. Cheek

8. Hook

9. Hook width

10. Latch

11. Rivet

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2.4.1 Latch Needle%�� -�� 4��4��

2.4.2 Spring Bearded Needle�� 3�� %�� 4�� *�� +�� %�� 4��

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Hook

Latch

Stem

Butt

Latch needle Spring beardedneedle

But

Stem

Beard

Hook Hook

Tongue

Compoundneedle

Fig. 2.4 Fig. 2.5

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2.4.4 Loop Forming Sequence of Latch Needle [Fig. 2.6]

Run-in Clearing Feeding Knock over Loop pulling

Fig. 2.6

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2.4.5 Loop Forming Sequence of Spring Bearded Needle [Fig. 2.7]�� .�� 3��5�� 3� ��

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Run-in Clearing Feeding Loop landing Knock over Loop pulling

Fig. 2.7

2.4.6 Loop Forming Sequence of Compound Needle [Fig. 2.8]

Run-in clearing

Feeding

Landing Knock over Loop pulling

Fig. 2.8

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2.5 SINKERS [Fig. 2.9]

1 – Butt

2 – Butt breadth

3 – Height of shank

4 – Buldge

5 – Neb

6 – Length of Neb

7 – Throat Angle

8 – Sinker Platform Height

9 – Breadth of Lower Shank

10 – Clearance

11 – Throat

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1

3

4

6

5

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8

9

10

Fig. 2.9

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2.5.1 Sinkers Operation [Fig. 2.10]

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2.6 CYLINDER (Fig. 2.11)

Trick Verge

Fig. 2.11

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2.7 CAMS

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Direction of Needle Travel

Needle Motion Required

Clearing

Feeding

Knockover

Loop Pulling

Running

Running

Guard Cam Stitch Cam(adjustable)

Guard Cam

Up Through CamClearing CamRunning

Cam

Fig. 2.12

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Swing Cam

Stitch Cam

KnitTuck

Miss

Clearing Height

Tuck Height

Short ButtLong Butt

Fig. 2.13

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2.8 CREELS (Fig. 2.14)

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Fig. 2.14

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2.9 FEEDERS/STRIPERS

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Support

Cutter

Yarn 2

Yarn 1

Guide 2Guide 1

Fig. 2.15 Fig. 2.16

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2.10 FABRIC SPREADER

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Spreader

TakeDown

FabricTube

Fig. 2.17 Fig. 2.18

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Fabric

Fig. 2.19

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2.11 TAKE DOWN AND WINDING MECHANISM

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2.11.1 Mechanical Drive (Fig. 2.20)3�� .�� 5�� 5�� 5��3��5�� 5�� <5� �� 5�� 5��

Take downFollower

Inclinedring

Cloth roll

Fig. 2.20

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2.11.2 Electrical Drive (Fig. 2.21)

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Fabric

Take Down

Motor

FabricWinder

Cloth Roll

Fig. 2.21