Double-Side Pneumatic Opening Width Circular Knitting Machine

Product Details & Key Specs

• Machine Type
  Double‑Side (Interlock/Double Jersey) circular knitting machine with pneumatic open‑width take‑up and slitting system – optimized for fabric flattening and clean edge finishing. 

• Cylinder Diameter
  34″ (≈ 863 mm) – standard body‑size diameter common in this class. 

• Gauge
  28G (28 needles per inch) – medium‑fine gauge producing smooth, drapey interlock fabric.

• Feeders
  72 feeders – balanced for 28G, providing even yarn feeding and high efficiency. 

• Needle Count
  ~2,136 needles total (single‑side 1,068; double‑side counts ~2× needles).

• Motor & Drive
  Typically driven by 5.5–7.5 kW (~7.5–10 HP) (~380 V 3‑phase) motor via inverter for speed control. 

• Knitting Speed
  Operates between 15–30 RPM, depending on yarn, gauge, and fabric style. 

• Fabric Take‑Up
  Pneumatic open‑width take‑up maintains width and eliminates curl, paired with slitter for clean raw edge. 

• Frame & Precision
  Heavy-duty steel chassis, oil-immersed needle bed, Japanese stainless cylinder; high-precision cams, electronic or air lubricators. 

• Control & Safety
  Equipped with RPM counters, broken-needle sensors, positive feeders, frequency inverter, dust/fan protection. 

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Fabric Types Produced

1. Classic Interlock/Double Jersey
   Smooth, reversible, no curl, ideal for T-shirts, underwear, sportswear. 

2. Rib & Twill Structures
   Achieved with adjustable cam tracks for 1×1, 2×2 rib, piqué, twill, waffle textures. 

3. Air-layer/Bubble Fabrics
   Volumized textures like air-layer, bubble, and pique, generated by cam settings. 

4. High-Pile / Velvets (Optional Jacquard Add-on)
   With jacquard and cutter attachments, can produce loop-cut fleece: coral fleece, velvet, etc. Example images show coral velvet textures.