Identification of different parts of Tricot Warp Knitting Machine School Of Textiles

Main Parts of Tricot Machine -
Compound needle.
Needle bar
Guide bar
Sinker & sinker bar
Sliding latch
Sliding latch bar
Comb
Cloth roller.
Link
Rocker shaft
Pattern chain.
Pattern drum.
Main shaft.
Intermediate shaft.
Let-off mechanism
Take-up mechanism.
Machine A/C.
Toothed belt/ Timing belt.
Warp beam.
Bottom Beam.

Yarn Path diagram of Tricot Warp Knitting Machine.

Function of different parts of M/C:
1. Compound needle: In Tricot warp knitting m/c compound needle is used. To form loop and produce the fabric is the main function of the needle.

2. Needle bar: A needle bar is used in this m/c. The main function of it is to hold the needles together and helps the needles to move unison while loop forming.

3. Guide bar: Guide bar is used in this m/c to guide the yarn properly to the needle. It feeds the yarn around the needle and controls the rate of warp feed from the warp beam by making lapping movement.

4. Sinker and Sinker bar: In the tricot warp knitting m/c tricot sinker is used to hold down the loops produced by the needles. The sinker bar keeps the sinkers together to move unison while knitting. The main function of the sinker is to hold down, knock over and supporting the fabric loops.

5. Sliding latch: In warp knitting m/c compound needles are used. A sliding latch is used here to close the hook while knitting.

6. Sliding latch bar: In warp knitting m/c the sliding latches remain unison. The latch bar keeps the latches together and helps it to move unison while knitting.

7. Cloth roller: The produced fabric is wound on the cloth roller.

8. Let-off mechanism: The process of releasing the warp yarns according to the requirement of the m/c and speed of cloth roller is the main function of let-off mechanism.

9. Take up mechanism: It helps the produced fabric to wound on the cloth roller in proper tension. There are 3 take-up r/r in this m/c. It also gives proper tension to the warp sheet and controls the speed of warp beam.

11. Link: In the warp knitting m/c the link is used to make design in the knitted fabric. The different links used here has different thickness and thus it helps to produce design.

12. Pattern chain: The pattern chain is the chain of links joined with each other. The pattern chain helps the m/c to produce design.

13. Pattern drum: It is a drum, which gives motion to the pattern chain. There are groove on it and the pattern chain is placed on it. It gets motion from the m/c driving motor through gearing.

14. Comb: In this warp knitting m/c the comb is used to separate the warp yarns coming from the warp beam. It works as the reeds of the weaving m/c and also controls the fabric width.

15. Warp beam: In tricot warp knitting m/c warp beam is used to supply the warp yarns parallely. There are 8-warp beam in this m/c. 4 beam are on the upper side and 4 are to the downside. These beams are not so big as the weavers beam.

15. Machine A/C: The m/c a/c is one kind of cooling device, which keeps the m/c parts and the motor from over heating and damage while running continuously.

16. Main shaft: The main shaft of this m/c gives the m/c motion from the motor.

17. Lubrication: The m/c has automatic lubrication system.

18. Controlling unit: The controlling unit is used to control the m/c easily. It has a digital control unit.

19. Toothed belt: In this m/c the toothed belts are used to transfer motion without any slippage.

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