Gill Box

The GN4 Gill Box is a high-precision pin drafting machine used in the worsted and long-staple spinning process. It is manufactured by NSC Schlumberger and is commonly installed between carding/combing and drawing stages.

The GN5 Gill Box is an advanced pin drafting (gill) machine used in the worsted and long-staple spinning system. It is manufactured by NSC Schlumberger and is commonly installed after carding or combing to improve sliver quality before spinning.

It is suitable for:

  • Wool
  • Acrylic
  • Polyester (long staple)
  • Blended fibres
Parameter Approx. Value
Machine Type Screw / Pin Gill Box
Fibre Type Wool, Acrylic, Long Staple
Draft Range 4 – 16 (approx.)
Delivery Speed Up to 250–350 m/min
Number of Doublings 6 – 12 (depends on creel)
Sliver Weight Adjustable
Control System Mechanical / Electronic
Drive Individual motor drive
Delivery Single or double can
The GN6 Gill Box is a textile sliver drafting machine used in the preparation stages of spinning (especially worsted, wool, or long-staple yarn production). It comes from NSC Schlumberger, and is a development in the GN-series of gill boxes (like GN4 and GN5). It is typically installed after carding/combing to further homogenise and draft sliver before drawing/roving.