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Carding AI simulator
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Carding
In textile production, carding is a mechanical process that disentangles, cleans and intermixes fibres to produce a continuous web or sliver suitable for subsequent processing. This is achieved by passing the fibres between differentially moving surfaces covered with "card clothing", a firm flexible material embedded with metal pins. It breaks up locks and unorganised clumps of fibre and then aligns the individual fibres to be parallel with each other. In preparing wool fibre for spinning, carding is the step that comes after teasing.
The word is derived from the Latin carduus meaning thistle or teasel, as dried vegetable teasels were first used to comb the raw wool before technological advances led to the use of machines.
The ordered fibres can then be passed on after carding to other processes that are specific to the desired end use of the fibre: cotton, batting, felt, woollen or worsted yarn, etc. Carding can also be used to create blends of different fibres or different colours. When blending, the carding process combines the different fibres into a homogeneous mix. Commercial cards also have rollers and systems designed to remove some vegetable matter contaminants from the wool.[citation needed]
Common to all carders is card clothing. Card clothing is made from a sturdy flexible backing in which closely spaced wire pins are embedded. The shape, length, diameter, and spacing of these wire pins are dictated by the card designer and the particular requirements of the application where the card cloth will be used. A later version of the card clothing product developed during the latter half of the 19th century and was found only on commercial carding machines, whereby a single piece of serrated wire was wrapped around a roller, became known as metallic card clothing.[citation needed]
Carding machines are known as cards. Fibre may be carded by hand for hand spinning.
Science historian Joseph Needham ascribes the invention of bow-instruments used in textile technology to India. The earliest evidence for using bow-instruments for carding comes from India (2nd century CE). These carding devices, called kaman (bow) and dhunaki, would loosen the texture of the fibre by the means of a vibrating string.
At the turn of the eighteenth century, wool in England was being carded using pairs of hand cards, in a two-stage process: 'working' with the cards opposed and 'stripping' where they are in parallel.
In 1748 Lewis Paul of Birmingham, England, invented two hand driven carding machines. The first used a coat of wires on a flat table moved by foot pedals. This failed. On the second, a coat of wire slips was placed around a card which was then wrapped around a cylinder. Daniel Bourn obtained a similar patent in the same year, and probably used it in his spinning mill at Leominster, but this burnt down in 1754. The invention was later developed and improved by Richard Arkwright and Samuel Crompton. Arkwright's second patent (of 1775) for his carding machine was subsequently declared invalid (1785) because it lacked originality.
Carding
In textile production, carding is a mechanical process that disentangles, cleans and intermixes fibres to produce a continuous web or sliver suitable for subsequent processing. This is achieved by passing the fibres between differentially moving surfaces covered with "card clothing", a firm flexible material embedded with metal pins. It breaks up locks and unorganised clumps of fibre and then aligns the individual fibres to be parallel with each other. In preparing wool fibre for spinning, carding is the step that comes after teasing.
The word is derived from the Latin carduus meaning thistle or teasel, as dried vegetable teasels were first used to comb the raw wool before technological advances led to the use of machines.
The ordered fibres can then be passed on after carding to other processes that are specific to the desired end use of the fibre: cotton, batting, felt, woollen or worsted yarn, etc. Carding can also be used to create blends of different fibres or different colours. When blending, the carding process combines the different fibres into a homogeneous mix. Commercial cards also have rollers and systems designed to remove some vegetable matter contaminants from the wool.[citation needed]
Common to all carders is card clothing. Card clothing is made from a sturdy flexible backing in which closely spaced wire pins are embedded. The shape, length, diameter, and spacing of these wire pins are dictated by the card designer and the particular requirements of the application where the card cloth will be used. A later version of the card clothing product developed during the latter half of the 19th century and was found only on commercial carding machines, whereby a single piece of serrated wire was wrapped around a roller, became known as metallic card clothing.[citation needed]
Carding machines are known as cards. Fibre may be carded by hand for hand spinning.
Science historian Joseph Needham ascribes the invention of bow-instruments used in textile technology to India. The earliest evidence for using bow-instruments for carding comes from India (2nd century CE). These carding devices, called kaman (bow) and dhunaki, would loosen the texture of the fibre by the means of a vibrating string.
At the turn of the eighteenth century, wool in England was being carded using pairs of hand cards, in a two-stage process: 'working' with the cards opposed and 'stripping' where they are in parallel.
In 1748 Lewis Paul of Birmingham, England, invented two hand driven carding machines. The first used a coat of wires on a flat table moved by foot pedals. This failed. On the second, a coat of wire slips was placed around a card which was then wrapped around a cylinder. Daniel Bourn obtained a similar patent in the same year, and probably used it in his spinning mill at Leominster, but this burnt down in 1754. The invention was later developed and improved by Richard Arkwright and Samuel Crompton. Arkwright's second patent (of 1775) for his carding machine was subsequently declared invalid (1785) because it lacked originality.
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