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DT 757F High Speed 5 Thread Flat Bed Overlock Sewing Machine Industrial Sewing Machine for Sale

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • 5-Thread Overlock Stitch: Creates durable, stretch-resistant seams ideal for knits, elastic fabrics, and heavy-duty materials up to 3mm thickness.
  • High-Speed Industrial Performance: Designed for rapid, high-volume sewing in both commercial and home settings, ensuring efficiency in seam finishing and edge binding.
  • Manual Precision Control: Allows tailored adjustments for intricate patterns while maintaining consistent stitching quality.

Key features

  • 1. Material Technology

  • With a 3mm maximum sewing thickness, handle thick and stretchy fabrics effortlessly, ideal for knits and heavy materials.

  • 2. Interactive Design

  • With intuitive manual feed and control mechanisms, achieve precise adjustments for diverse materials, ensuring ease of use for both professionals and semi-professionals.

  • 3. Performance Parameters

  • High-speed operation outperforms standard overlock machines by ~30%*, enabling rapid mass production with minimal downtime.

  • 4. Scenario Solutions

  • Designed for continuous commercial use, ensuring reliability in high-volume garment production environments, reducing downtime and increasing efficiency.

  • 5. Certification Standards

  • Equipped with CE and LVD certifications, ensuring compliance with EU safety and electromagnetic compatibility standards, providing peace of mind for industrial applications.

Product details

DT 757F High Speed 5 Thread Flat Bed Overlock Sewing Machine Industrial Sewing Machine for Sale

The DT 757F High-Speed 5 Thread Flat Bed Overlock Sewing Machine is engineered for industrial-grade performance, combining precision and durability. Designed for stretchy fabrics like knits, it delivers strong, seamless stitches at high speeds, ideal for garment production and heavy-duty applications.

Technical specifications

FeatureSpecificationApplication Scenario
CertificationCE, LVDEnsures compliance with EU safety standards
Feed MechanismManualPrecision control for detailed garment work
Max. Sewing Thickness3mmHandles heavy fabrics like denim or canvas
Mechanical ConfigurationFlat-bedSupports large workpieces for industrial sewing
Stitch FormationOverlock Stitch (5-thread)Creates stretchable seams for knits and stretch fabrics

Customization guide

Adjustable stitch length and thread tension parameters allow customization for varying fabric thicknesses and material types. Optimize feed settings to meet specific production needs, such as reinforced seams for upholstery or lightweight seams for lingerie.

Get inspired

With the DT 757F’s 5-thread overlock capability, you can achieve seamless, fray-resistant edges for high-quality garments. Its manual feed mechanism ensures precision in intricate designs, while the flat-bed design accommodates bulky materials for industrial versatility.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Sewing Speed5,000 stitches/min+15% (5,750 stitches/min)+30% (6,500 stitches/min)*
Thread Count4-thread5-thread5-thread + automatic threading
Max. Thickness2.5mm3mm3.5mm
Automation LevelFully manualSemi-automaticFully automatic

Supplier's note

  1. Key Technical Breakthroughs:

    • CE/LVD Certification: Ensures compliance with EU safety standards, enabling global deployment.
    • 5-Thread Overlock Stitch: Delivers 20% stronger seams than 4-thread models for stretch fabrics.
    • 3mm Thickness Capacity: Handles heavy-duty materials like canvas, outperforming competitors’ 2.5mm limits.
  2. Optimal Version Selection:

    • Base Model: Ideal for small workshops requiring manual precision (e.g., custom tailoring).
    • Advanced Model: Perfect for mid-scale production needing 5-thread versatility (e.g., garment factories).
    • Pro Model: Best for industrial users demanding high-speed automation and heavy-duty performance (e.g., mass production of sportswear).

Pro Model’s 6,500 stitches/min speed exceeds industry benchmarks by 30%, slashing production time for high-volume orders. Pair its 3.5mm capacity with automatic threading to streamline workflows and reduce downtime.

Frequently asked questions

  • Which overlock sewing machine model is best for industrial garment production?

  • How do I maintain the thread paths on an industrial overlock machine?

  • Can the DT 757F handle stretchy fabrics like knits?

  • Does the DT 757F offer customization options like presser feet?

  • Is the DT 757F certified for industrial safety standards?

  • What stitch types does the DT 757F support?

  • How does the DT 757F’s high-speed operation benefit production?

  • Can the DT 757F handle thick materials like denim or leather?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Overlock Sewing MachinesIndustrial garment production, stretch fabricsManual feed mechanism (Max 3mm thickness) ▲ Automatic feed (Our Advanced)
Overlock stitch (3-4 threads, ASTM D543 compliant)
Handles thick/stretch fabrics ▲ 30% faster stitching (Advanced)
CE/LVD certified (EU safety compliance)
Requires skilled operators ▲ Reduced training time (Advanced)
Industrial Lockstitch MachinesUpholstery, leather goods, heavy-duty seamsAutomatic feed (Max 4mm thickness) ▲ 350 stitches/min (Industry Standard)High-speed production (Up to 4500 RPM)
Strong, durable seams
Limited to straight/zigzag stitches ▲ Stretch compatibility (Overlock models)
Domestic Overlock MachinesHome sewing, small-scale projectsManual feed (Max 2mm thickness) ▲ 200 GSM fabric limit (ASTM D3776)Affordable (<$500) ▲ Compact design (Our Base model)Low durability ▲ Slower output vs industrial tiers
Computerized Overlock MachinesPrecision tailoring, complex patternsProgrammable stitches ▲ 10+ stitch types (Our Advanced)
Sensor-guided threading (ISO 3801 certified)
Customizable stitch patterns ▲ 20% faster setup (Advanced)High cost ($2000+) ▲ Requires software training
Flat-Bed Industrial MachinesThick materials, heavy-duty sewingFlat-bed design (Reduces thread breaks by 40%) ▲ 5mm max thickness (Ours)Handles bulky fabrics ▲ 25% quieter operation (43 dBA vs 50 dBA industry)Larger footprint ▲ Higher maintenance needs
High-Speed Industrial MachinesMass production, fast turnaroundAutomatic feed (Max 4.5mm thickness) ▲ 500 stitches/min (Our Advanced)30% faster output ▲ 99.5% uptime (ISO 14119 reliability)High energy consumption ▲ Requires dedicated operators

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