Where to find catalogues of spinning machinery?
Answers:
COTTON-SPINNING MACHINERY: Eventually the hand mule became a gadget in which most of the work was done automatically; the spinner human being chiefly required, to regulate the velocity of the backing off, and the inward run of the horse-drawn carriage, and to actuate the fallers. As a result of these alterations the machine was made almost double all along Kellys. In this state many mules continued to be used until the last decade of the 19th century.
Between the years 1824 and 1830 Richard Roberts invented piece of equipment that rendered all parts of the mule self-acting and they regulate the rotation of the spindles during the inward run of the carriage. At first his electrical device was only used to spin coarse and low-meilium counts, but it is in a minute employed to spin all counts of yarn. Although numerous change have since been made contained by the self-acting mule, the machine still bears indelible grades of the genius of Roberts.
For many purposes, the threads as spun by the ring frame or the mule are all set for the manufacturer; but where extra strength or smoothness is required, as within threads for sewing, crocheting, hosiery, lace and carpets; also where multicoloured effects are needed, as contained by Grandrelle, or some special form of irregularity, as in corkscrewed, and knopped yarns, two or more single threads are compounded and twisted together. This operation is set as doubling. In order to prepare threads for doubling it may be necessary to twist side by side upon a flanged bobbin, or upon a ,straight or a tapering spool, from two to six threads before twisting them into one.
Winding machines for this purpose are of assorted kinds. There are those in which the threads are laid evenly between the flanges of a bobbin, and those that coil the threads upon a straight or a conical tube to form cheeses. In the latter the tubes may be laid upon diagonally split drums and rotated by frictional contact. By placing each group of threads to be wound in the slit of a rotating drum, it is drawn hurriedly to and fro and coiled upon a spool. If solid instead of split drums are used, the guides for all the threads on one side of a machine are attached to a lump, which is traversed by a cam placed at one end of the frame. Or independent mechanism may be provided throughout for treating respectively group of threads to be wound. The bobbins or tubes may be filled from cops, ring spools or hanks, but a stop motion is required for respectively thread, which will come into operation immediately a fracture occurs. Source(s): http://en.wikipedia.org/wiki/Cotton-spin…
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