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Fabric Engineering 3 | Textile Study Center
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Fabric Engineering

Tuck Stitch and it’s Formation Process

A tuck stitch is composed of a held loop, one or more tuck loops and knitted loops. It is produced when a needle holding its loop (T) also receives the new loop, which becomes a tuck loop because it is not intermeshed through the old loop. The tuck loop thus assumes an inverted V or U-shaped configuration. The head of the tuck is visible on the reverse of the stitch.The side limbs of tuck loops thus tend to show through onto the face between adjacent wales. Tuck stitch structures show a faint diagonal line effect on their surface. In analysis, a tuck stitch is identified by the fact that its head is released as a hump shape immediately the needle loop above it is withdrawn. A knitted loop would be required to be separately withdrawn

Gearing Calculation of Tappet Loom

Different types of Knitting needles

Primary knitting elements:Three primary knitting elements: Needle: Latch needle, Spring bearded needle & Compound needle. Cam: Knit cam, Tuck Cam, Missed cam Sinker: Holding down sinker, Knocking over and loop forming sinker Main parts and their functions of latch needle The hook: Grasping a new yarn in the process of knitting i.e. the hook which draws and retain the new loop. The latch: Freely rotating around the axle and tightly closing the hook owing to the spoon located at the end of the latch.

Gearing Calculation of Tappet Loom

Drafting system of roving frame I Draft Distribution of Speed or roving Frame |The simplex/roving frame is a necessary evil

The drafting section of the roving frame may be 3 over 3 or 4 over 4 with or without apron roller arrangement. Only the 3-over-3 or 4 over 4 roller with double apron drafting system are still to be found in modern machines offered by manufacturers. In general 3/3 drafting system is used, but for higher draft applications 4/4 drafting system is used.

Gearing Calculation of Tappet Loom

Man-Made Fibers & Classification of Man-Made Fibers

In a very general way, a fiber is defined as any product capable of being woven or otherwise made into a fabric. It may be thought of as the smallest visible unit of textile production. Fibers may be agricultural products (such as cotton or wool) or units (such as nylon or polyester) manufactured in a chemical plant. Fibers than serve as the raw material in the next stage of textile manufacturing.

Gearing Calculation of Tappet Loom