... Speed: Variable-frequency speed control, arbitrary adjustment, the maximum is 1.2 m / sec.4. Power Requirements: AC220V ± 8% 50HZ /60HZ5. Drive Motor Power ... is up to 6 needle pitches.7. Density Regulation: step motor 150-grade trimming, eight sets of stitches8. Knitting Needle ... bed, batching-up and draw-off, piece counting, automatic stop for coarse knot and ending out etc .The knitting speed can ...