Technical Data. Line overview and stage specifications for Thermobonding lines.

Line overview

Capacity, energy, fibers, and compliance for the complete production line.

Technology
Air-through (hot-air) bonding and calendar / thermal setting options
Useful working width
2.500 – 3.800 mm (hygiene ATB); dryer / setter units 2.000 – 4.000 mm
Weight range
16 – 80 g/m² (hygiene topsheet, ADL, backsheet materials)
Production speed
Winding up to 120 – 150 m/min; dryer units up to 350 m/min by duty
Possible fibers
ES / bicomponent, polyester, PP, 4080 and other thermoplastic fibers
Energy & media sources
Natural gas (direct fire), steam, or electric heating
Safety standards
CE / Machinery Directive integration for EU projects

Figures reflect published Changshu Feilong configuration ranges. Exact capacity, energy use, and stage selection depend on product mix and line layout.

By stage. Machine data for each process section.

Fiber preparation

Opening, blending, and feeding matched to fiber type, blend ratio, and line throughput.

  • Fiber typesNatural, synthetic, regenerated, recycled
  • Opening / blendingBale opener and multi-component blending
  • Carding feedUp to 2.500 kg/h carding capacity (line-dependent)
  • ConditioningDust extraction and controlled fiber transport

Web formation

Carded webs prepared for air-through or calendar thermal bonding in hygiene and technical grades.

  • Working width2.500 – 3.800 mm (typical ATB lines)
  • FormationCarded web for thermal bonding
  • ProductsDiaper / hygiene topsheet, ADL, backsheet materials

Thermal bonding

Hot-air through bonding and thermal setting with single or double-belt airflow.

  • Bonding modesAir-through, calendar, combination
  • Working width2.500 – 3.800 mm (ATB line); 2.000 – 4.000 mm (setter)
  • Grammage16 – 80 g/m² (hygiene ATB)
  • Winding speedup to 120 – 150 m/min
  • Heating mediaNatural gas (direct fire) or electric
  • AirflowTop/bottom blow or top blow / bottom suction
  • Temperature resistanceup to 300 °C (thermal setting units)

Drying / heat recovery

Honeycomb or multi-drum dryers where residual moisture or heat-setting duty requires it.

  • Working width2.000 – 4.000 mm
  • Line speed100 – 350 m/min (dryer duty)
  • Heating mediaNatural gas or steam
  • Opening rateHoneycomb ≥ 83% (high-efficiency drums)

Slitting and winding

Precision cutting and roll build with controlled tension for clean edges and stable geometry.

  • Cut methodsRazor, score, crush-cut
  • Drive typesSurface, center, combination
  • Winding speedMatched to upstream process window

Packaging

Automatic packaging for jumbo and slitted rolls — wrap, band, label, and handle for storage and dispatch.

  • Roll formatsJumbo / mother rolls and slitted daughter rolls
  • ProtectionFilm wrap, banding, labeling integration
  • TraceabilityBatch and roll ID marking
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