Description
Description
The WORLDEN WD-4420H-285 is a professional industrial-grade double needle post-bed sewing machine purpose-built for medium to heavy-duty applications. Featuring a specialized compound feed (unison feed) mechanism with an integrated walking foot and needle feed system, it guarantees smooth, synchronized feeding of multi-layered materials without layer shifting or bunching.
Its elevated post-bed architecture makes it the ultimate solution for executing strong, aesthetic, and perfectly parallel twin-needle seams on complex, three-dimensional, or tubular assemblies.
Key Features
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Unison Feed / Compound Walking Foot: Alternating presser feet, needle feed, and feed dog work together seamlessly to prevent thick or slippery fabrics from shifting.
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Ergonomic Post-Bed Design: The high, slim column profile provides maximum vertical clearance, allowing operators to easily manipulate and rotate bulky or curved items.
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Large Vertical-Axis Rotary Hook: Increases bobbin capacity significantly, reducing downtime spent on bobbin changes during long production runs.
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Direct Drive Servo Motor: Integrated directly into the machine head for near-silent operation, minimal vibration, and up to a 70% reduction in power consumption compared to classic clutch motors.
Suitable for
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Automotive Upholstery: Car seats, headrests, steering wheel wraps, and interior panels.
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Leather Goods & Luggage: Premium handbags, structured backpacks, wallets, belts, and suitcases.
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Footwear Production: Sports shoes, heavy leather boots, and sandals.
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Technical Textiles: Canvas tents, awnings, tarpaulins, and outdoor heavy-duty gear.
What’s Included
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Machine head with integrated motor & control panel
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Industrial table and heavy-duty steel stand
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Double-cone thread stand
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Accessory kit (bobbins, needles, oil, screwdrivers)
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