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

Line overview

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

Technology
High-speed needle punching with trapezoidal / elliptical loom options
Useful working width
1.000 – 16.000 mm
Carding capacity
up to 2.500 kg/h
Production speed
Standard line speed ≤ 25 m/min; loom delivery up to 30 m/min
Needle frequency
up to 2.200 n/min
Possible fibers
PP, PET, recycled, natural, PTFE / PPS / Nomex (filtration specialty lines)
Typical applications
Geotextiles, automotive, filtration, artificial leather, medical
Energy & media sources
Electric drives; optional gas / electric heat-setting
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

Carding and crosslapping sized for geotextile, filtration, automotive, and technical densities.

  • Working widthMatched to loom width (1 – 16 m envelope)
  • Carding capacityup to 2.500 kg/h
  • Web buildCrosslaid batt for needling
  • Specialty linesFilter felt e.g. 2,5 – 5 m; 400 – 900 g/m²

Needlepunch bonding

Trapezoidal and elliptical high-speed looms with oil-free guiding and dual-axis balancing.

  • Needlepunch typesDown-stroke, Up-stroke, Double-sided, Ellipsoid kinematic
  • Working width1.000 – 16.000 mm
  • Needle frequencyup to 2.200 n/min
  • Delivery speedup to 30 m/min
  • Needle boardsSingle and multi-board configurations
  • Needle selectionApplication-matched felting needles

Heat setting / finishing

Optional thermal setting and calendering after mechanical bonding.

  • Felt / heat setting width2.000 – 4.000 mm
  • Heating mediaNatural gas (direct fire) or electric
  • Setting speedup to 30 m/min (felt); up to 150 m/min (thermal set)
  • Temperature resistanceup to 300 °C (thermal setting units)

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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