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JW8BL20 JW28BL20 Long Arm Heavy Duty Sewing Machine China Suppliers Factory
Looking for reliable China suppliers? Our factory provides the JW-8BL20 and JW-28BL20 long arm sewing machines featuring a triple compound feed system to ensure zero-shift stitching for professional results on thick materials.
SupplierHEBEI LONGSEW MACHINERY TECHNOLOGY CO. LTDwww.longsew.com
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About this product
Product information from the supplier.
The JW-8BL20 and JW-28BL20 are professional-grade Long Arm Heavy Duty sewing machines engineered for high-precision stitching on oversized and thick materials. Featuring a specialized triple compound feed system—integrating presser foot, feed dog, and needle feeding—these machines eliminate material shifting between layers, ensuring flawless, neat, and beautiful stitches even on the most challenging industrial fabrics.
Designed for versatility and power, the series offers both single-needle (JW-8BL) and double-needle (JW-28BL) configurations with arm lengths ranging from 15 to 30 inches. Equipped with a 5x enlarged rotary hook, these machines significantly increase thread capacity and minimize bobbin change downtime, making them the ideal solution for heavy-duty upholstery, automotive interiors, and outdoor technical gear.
Detailed Parameters
| Model | JW-8BL20 / JW-28BL20 | Max Sewing Speed | 1200 r.p.m |
|---|---|---|---|
| Stitch Length | 10mm | Presser Foot Lift | Hand: 20mm / Knee: 25mm |
| Hook Type | Large vertical rotary hook | Needle Size | DYx3 27# |
| Lubrication | Manual | Motor Options | 550W 380V / 750W 220V |
| Working Space | 508 x 143mm | Feeding System | Triple Compound Feed |
Key Advantages
Triple Compound Feed
Synchronized feeding from the presser foot, feed dog, and needle prevents layer slippage for absolute precision.
Enhanced Efficiency
5x larger rotary hook increases thread capacity and reduces the frequency of bobbin replacements.
Long Arm Reach
20" (508mm) extended arm allows for effortless handling of large leather products and wide panels.
Overload Protection
Integrated clutch device protects the rotary hook from overload, ensuring equipment longevity and safety.
Heavy Duty Capability
Specifically optimized for thick upholstery threads and high-density leather materials.
Diverse Configurations
Available in single or double needle options with multiple arm lengths (15", 20", 30") to fit any project.
Product Gallery
Management Platforms
Material Handling
Optimized for leather car seats, sofas, and heavy industrial belts.
Precision Control
Triple feed system ensures zero-shift stitching on viscous materials.
Safety Monitoring
Clutch protection prevents damage during high-tension sewing operations.
Efficiency Tracking
Large rotary hooks maximize uptime by reducing bobbin changes.
Versatile Application
Suitable for parachutes, airbags, sails, and outdoor tents.
Power Management
Dual voltage motor options (220V/380V) to match global power standards.
Investment Return Comparison
| Feature | Standard Machines | JW Long Arm Series |
|---|---|---|
| Material Shift | Common on thick layers | Zero shift (Triple Feed) |
| Bobbin Change | Frequent intervals | Minimized (5x Large Hook) |
| Workable Area | Limited bed space | Up to 30" extended reach |
| Stitch Quality | Variable on heavy leather | Consistently professional |
| Operational Risk | Potential hook damage | Clutch safety protection |
Frequently Asked Questions
Q: What is the primary benefit of the triple compound feed system?
The triple compound feed (presser foot, feed dog, and needle) ensures that the upper and lower fabric layers move synchronously, preventing shifting and ensuring beautiful, straight stitches on thick materials.
Q: Can this machine handle very thick industrial threads?
Yes, the JW series is specifically designed for upholstery threads and heavy-duty materials, utilizing a large rotary hook to accommodate thicker threads and larger capacities.
Q: What materials are best suited for the JW-8BL20/JW-28BL20?
It is ideal for leather car seat covers, leather sofas, cargo lifting belts, airbags, parachutes, sails, and high-end outdoor tents.
Q: What is the difference between the JW-8BL and JW-28BL models?
The JW-8BL is a single-needle machine, whereas the JW-28BL is a double-needle machine, allowing for different stitching requirements based on the product design.
Q: How does the clutch device protect the machine?
The clutch device acts as a safety mechanism that prevents the rotary hook from overloading, which protects the internal components from damage during heavy-duty sewing.
Q: Are there other arm length options available?
Yes, the series offers several versions including 15" (381mm), 20" (508mm), and 30" (762mm) arm lengths to suit various production needs.
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HEBEI LONGSEW MACHINERY TECHNOLOGY CO. LTD
