The Effect of Rotor Fiber Groove Design on Trash Accumulation, End Breakage, and Yarn Properties1

Abstract

The trash accumulation and end breakage from an experimental rotor with a narrow, deep V-type fiber groove was compared with that from a conventional rotor with a wider, rounded fiber groove. Then the trash accumulation and end breakage characteristics of experimental and conventional rotors with holes in the periphery were compared to those without holes, both with the trash cleaner in and out of operation. The V-type fiber groove had greater trash accumulation but fewer end breaks and appeared to yield stronger, more uniform yarn at high rotor speeds. Rotors with holes in the periphery were most effective in regards to rotor trash, end breakage, and yarn properties when spinning coarse counts from a relatively clean cotton.