As soon as the device is put into action, the draft in the main drafting system (in R/F) is cancelled by accelerating the back and middle (bottom) rollers of the drafting system so that the under drafted roving appears as SLUB in the spun yarn.
Output (Slub Specifications) : Thickness : 1.5 to 8.0 of normal yarn count thickness (programmable) Distance : Approx 3” to 20’ between consecutive slubs (programmable). Length : Min –1.3 x mfl (staple lenth) and Max-upto 3’ (Subject to yarn breakage by ballooning and traveller limitations). Patterning : Both antipatterning and patterning features provided. Repeat Accuracy : within ± 3% Pattern Repeat : After about 1 million slub (in the antipatterning mode ) Input: 400V ± 55%, 50/60 Hz AC 3 Phase supply Approx Input Power = 4 kw