Classification of Warp Knitting Machines
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Warp knitting machines can be divided into flat warp knitting machines and Raschel machines. They can have a single or a double needle-bed.
Flat warp knitting machines are equipped with spring beard needles or compound needles, while Raschel machines incorporate latch needles or compound needles.
The sinkers of flat warp knitting machines feature a nose, a throat and a breast, and pull the fabric perpendicularly to the needle direction.
Raschel machines incorporate sinkers with nose only; as the fabric is manufactured, it is dropped in a direction almost parallel to the needle direction (picture 130).
- Picture 130 - Pulling direction of the fabric on a Raschel machine (left) and on a flat warp knitting machine (right)
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