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  • Jack A4B Single Needle Direct Drive Automatic Industrial Lockstitch Sewing Machines Computerized
  • Jack A4B Single Needle Direct Drive Automatic Industrial Lockstitch Sewing Machines Computerized
  • Jack A4B Single Needle Direct Drive Automatic Industrial Lockstitch Sewing Machines Computerized
  • Jack A4B Single Needle Direct Drive Automatic Industrial Lockstitch Sewing Machines Computerized
  • Jack A4B Single Needle Direct Drive Automatic Industrial Lockstitch Sewing Machines Computerized
  • Jack A4B Single Needle Direct Drive Automatic Industrial Lockstitch Sewing Machines Computerized
Jack A4B Single Needle Direct Drive Automatic Industrial Lockstitch Sewing Machines Computerized

Jack A4B Single Needle Direct Drive Automatic Industrial Lockstitch Sewing Machines Computerized

  • 1 - 4 Sets
    $650
  • 5 - 9 Sets
    $640
  • >= 10 Sets
    $600
View product details

Jack A4B Single Needle Direct Drive Automatic Industrial Lockstitch Sewing Machines Computerized

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Industrial Lockstitch Sewing: Capable of handling materials up to 8mm thickness with precision, ideal for heavy-duty tasks like garment manufacturing, upholstery, and leather goods.
  • Computerized Control System: Equipped with a digital display for customizable stitch parameters (length, width, tension) and programmable functions, enabling seamless adaptation to diverse sewing requirements.

Key features

  • 1. Corrosion-Resistant Metal Body

    • With a corrosion-resistant metal body, you can ensure durability in harsh industrial environments, outlasting plastic-bodied competitors by up to 50%*.

  • 2. Touchscreen Interface with Multi-Program Presets

    • With a touchscreen interface and 100+ programmable stitch presets, you can customize settings instantly, reducing setup time by 40% compared to manual models*.

  • 3. Heavy-Duty 8mm Sewing Thickness Capacity

    • With an 8mm maximum sewing thickness capacity, you can tackle heavy-duty materials like leather or multi-layer fabrics, exceeding the 5mm limit of standard home sewing machines*.

  • 4. Continuous Commercial Operation Capability

    • With continuous commercial operation capability, you can maintain performance in high-volume apparel production, unlike home models limited to intermittent use*.

  • 5. ISO-Certified Industrial Safety Standards

    • With compliance to ISO industrial safety standards, you can ensure reliability in professional settings, surpassing basic safety requirements of non-certified alternatives*.

Product details

Jack A4B Single Needle Direct Drive Automatic Industrial Lockstitch Sewing Machines Computerized

The Jack A4B Single Needle Direct Drive Automatic Industrial Lockstitch Sewing Machine combines precision engineering with advanced computerized controls to deliver versatile performance for professional sewing tasks. With a maximum sewing thickness of 8mm, it handles heavy-duty materials like denim, leather, and layered fabrics while maintaining consistent lockstitch durability.

Technical specifications

FeatureSpecificationBenefit
Material ConstructionHigh-grade metal and durable plasticsEnsures longevity and resistance to wear
Maximum Sewing Thickness8mmAccommodates thick fabrics for industrial use
Stitch FormationLockstitchDurable seams ideal for garment manufacturing
Operation TypeFully computerizedPrecision control via digital interface
Digital DisplayProgrammable touchscreenAdjusts stitch type, speed, and tension

Customization guide

Adjustable parameters include stitch length (2-5mm), sewing speed (adjustable via digital controls), and thread tension settings to meet specific material requirements. The built-in memory storage allows users to save up to 30 custom stitch patterns for repeat projects.

Get inspired

With an 8mm sewing capacity, this machine excels in producing durable workwear, upholstery, or leather goods. Its programmable features simplify tasks like embroidery, buttonholing, or complex garment assembly, making it a reliable choice for workshops and factories.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Sewing Speed5,000 stitches/min+15% (5,750 stitches/min)+30% (6,500 stitches/min)*
Stitch Precision±1% accuracy±0.5% accuracy±0.3% accuracy
Memory Storage10 patterns20 patterns30 patterns
Maximum Thickness8mm8mm8mm

Supplier's note

  1. Technical Breakthroughs:

    • Direct Drive Motor: Reduces mechanical wear by 20% compared to belt-driven systems.
    • Programmable Memory: Stores complex patterns, cutting setup time by 30%.
    • Thick Material Handling: 8mm capacity outperforms standard industrial models (typically 5-6mm).

  2. Version Selection Guide:

    • Base Model: Ideal for small workshops needing reliable, entry-level automation.
    • Advanced Model: Best for mid-sized operations requiring pattern versatility (e.g., custom apparel).
    • Pro Model: Recommended for high-volume production (e.g., denim factories) due to 30% faster stitching and ultra-precise control.

Example Use Case: The Pro version’s 6,500 stitches/min speed, paired with ±0.3% precision, ensures flawless production of tailored jackets, reducing defects and downtime in fast-paced environments.

Frequently asked questions

  • Which industrial sewing machine model suits heavy-duty garment production with thick fabrics?

  • How do I maintain the needle area of a computerized lockstitch sewing machine?

  • What materials can the Jack A4B handle compared to standard home sewing machines?

  • Can I save custom stitch patterns on the Jack A4B computerized sewing machine?

  • Is the Jack A4B lockstitch machine certified for industrial durability standards?

  • How does the computerized system improve stitching accuracy on thick materials?

  • What attachments are compatible with the Jack A4B for specialized sewing tasks?

  • Why choose a used Jack A4B over new entry-level industrial machines?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Sewing Thickness CapacityHeavy industrial sewing (leather, multiple layers)Industry: 5mmBase: 6mm (▲)Advanced: 8mm (▲▲)
(ISO 20683: handles up to 8mm thickness)
Stitch CustomizationRepetitive tasks, varied projectsIndustry: Manual adjustmentsBase: 5 stored patterns (▲)Advanced: 20+ patterns (▲▲)
(ISO 4917: 20+ programmable patterns)
Control SystemComplex patterns, automationIndustry: MechanicalBase: Basic computerized (▲)Advanced: Full programmability (▲▲)
(ASTM F2932: adjustable parameters)
Material DurabilityHigh-volume productionIndustry: Plastic frameBase: Partial metal (▲)Advanced: Full metal frame (▲▲)
(ISO 9001: industrial-grade metal)
Noise LevelQuiet workshopsIndustry: 60 dBBase: 55 dB (▲)Advanced: 50 dB (▲▲)
(IEC 60704-1: quieter than a fridge at 50 dB)
Sewing SpeedHigh-throughput productionIndustry: 4,000 stitches/minBase: 5,000/min (▲)Advanced: 6,000/min (▲▲)
(ISO 3343: 6,000 stitches/min)

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