Friction Disc Texturing Unit Design
topic
Friction disc twist units use stacks of ceramic, polyurethane, or diamond-coated discs arranged in two or three axles in a crossed configuration rotating at 200 to 400 metres per second surface speed, imparting twist to the yarn by frictional contact at the disc nip zones without the mechanical wear limitation of pin spindles, enabling texturing speeds above 1000 metres per minute on modern high-speed false twist texturing machines.
Role
Enables the high production speeds of modern false twist texturing through a friction-based twist mechanism that operates without rotating yarn package limitations, with disc material and geometry selection governing the yarn-to-disc friction characteristics that determine twist insertion efficiency and yarn tension profile that together control the crimp geometry and bulk development in the textured yarn produced.
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