A new high-speed crimping procoss has been developed. Crimping is achieved by passing the yarn over a heated rotat ing knife edge. The relative velocity difference between the knife edge and the yarn is 1 m/s or lower. A maximum yarn speed of up to 25 m/s has been achieved. The effects of processing conditions on crimped yarn characteristics are dis cussed.
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References
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Dyson, E., Iredale, J.A., and Parkin, W., Yarn Production and Properties, Textile Progress6, 64-86 (1974).
2.
Monsanto Textiles Division, " Textured Yarn Technology— Production, Properties, and Processing," Vol. 1, 1967, pp. 107-115.
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Spotts, M.F. , "Design of Machine Elements," Third Edition, Prentice-Hall, Inc., Englewood, NJ., 1962.
