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Ring spinning is a continuous process, unlike mule spinning which uses an intermittent action. In ring spinning, the roving is first attenuated by using drawing rollers, then spun and wound around a rotating spindle which in its turn is contained within an independently rotating ring flyer. Traditionally ring frames could only be used for the ...
The frame utilised the draw rollers invented by Lewis Paul to stretch, or attenuate, the yarn. The roller spinning process starts with a thick 'string' of loose fibres called a roving, which is passed between three pairs of rollers, each pair rotating slightly faster than the previous one. In this way it is reduced in thickness and increased in ...
The Ring frame is credited to John Thorp in Rhode Island in 1828/9 and developed by Mr. Jencks of Pawtucket, Rhode Island, who (Marsden 1884) names as the inventor. [ 9 ] The bobbins or tubes may be filled from "cops", "ring spools" or "hanks", but a stop motion is required for each thread, which will come into operation immediately a fracture ...
Woodworking, especially furniture making, has many different designs/styles. Throughout its history, woodworking designs and styles have changed. Some of the more common styles are listed below. Traditional furniture styles usually include styles that have been around for long periods of time and have shown a mark of wealth and luxury for ...
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A thickness planer is a woodworking machine to trim boards to a consistent thickness throughout their length and flat on both surfaces. It is different from a surface planer, or jointer, where the cutter head is set into the bed surface. A surface planer has slight advantages for producing the first flat surface and may be able to do so in a ...
A schematic of ring rolling. Ring rolling is a specialized type of hot rolling that increases the diameter of a ring. The starting material is a thick-walled ring. This workpiece is placed between two rolls, an inner idler roll and a driven roll, which presses the ring from the outside. As the rolling occurs the wall thickness decreases as the ...
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