Knitting machine parts latch needle

Latch needle were used on raschel and crochet machines. The latch needle is composed of a curved hook, a latch, or tumbler, that swings on a rivet just below the hook, and the stem, or butt. It is sometimes called the self-acting needle because no presser is needed; the hook is closed by the pressure of a completed loop on the latch as it rises on the shaft. 

Knitting machine parts latch needle benefits:
1. Latch needles guarantee the best fabric quality, including in the finest knits. Productivity is effectively boosted with high speeds.
2. At the same time, latch needles can achieve energy savings which lower production costs.

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Latch Needle Characteristics:

1. Most widely used in weft knitting.

2. More expensive needle than the bearded needle.

3. Self acting or loop controlled.

4. Work at any angle.

5. Needle Depth determines the loop length.

6. Variation of the height of reciprocating produces knit, tuck or miss stitch.

Uses of Latch Needle: Latch needle are widely used in –

Double Cylinder Machine,

Flat Bar Machine,

Single Jersey Circular Knitting Machine,

Double Jersey Circular Knitting Machine.