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View store informationSPEEDWAY SW-747E — 4-Thread Overlock Industrial Sewing Machine (Direct Servo Motor, Fully Submerged Table with Wheels)
Precision • Productivity • Reliability — Professional Overlocking for Demanding Production
The SPEEDWAY SW-747E is a high-performance 4-thread overlock industrial sewing machine engineered for precision, durability, and productivity. With an integrated direct-drive servo motor and a fully submerged table on locking caster wheels, it delivers smooth, quiet operation and professional-quality seams across a wide range of materials.
Key Features
- 4-Thread Overlock Configuration: Strong, elastic, balanced seams for medium to heavy fabrics.
- Optimized Threading System: Refined thread paths and tension control for superior stitch consistency.
- Precision Feed Coordination: Feed dog, presser foot, and trimmer synchronized for clean cutting and smooth feeding.
- High-Speed Direct-Drive Servo: Quiet, energy-efficient motor mounted to the head for maximum stability and power.
- Speed Control: Adjustable up to 5,500 SPM for flexible operation and consistent stitch quality.
- Automatic Lubrication: Central oiling keeps mechanisms protected with minimal maintenance.
- Wide Fabric Compatibility: From light knits to heavier wovens with reliable seam formation.
- Fully Submerged Table: Superior stability, vibration reduction, and ergonomic comfort for long shifts.
- Mobility: Heavy-duty locking casters for easy movement on the production floor.
Machine Specifications
| Model: | SPEEDWAY SW-747E |
| Stitch Type: | 4-thread overlock |
| Maximum Speed: | Up to 5,500 SPM |
| Feed Mechanism: | Differential feed (adjustable) |
| Lubrication: | Automatic, central oil system |
| Needle System: | DCx27 #11–#14 |
| Presser Foot Lift: | 5.5 mm |
| Stitch Length: | 0.8 – 4.6 mm |
| Differential Ratio: | 0.7 – 2.0 |
| Motor Type: | Integrated direct-drive servo |
| Table Setup: | Fully submerged, industrial grade |
| Mobility: | Four locking caster wheels |
Applications
- Apparel manufacturing — T-shirts, sportswear, uniforms, knit garments
- Edge finishing on medium to heavy fabrics
- Elastic and stretch materials requiring precise overlocking
- High-speed production lines needing low vibration and clean trimming
Advantages
- High throughput: Up to 5,500 stitches per minute.
- Lower noise & vibration: Direct-drive efficiency with stable seam quality.
- Operator comfort: Submerged table reduces fatigue during long runs.
- Consistent results: Optimized threading and differential feed.
- Industrial reliability: Built for continuous, demanding use.
The SPEEDWAY SW-747E integrates advanced control and mechanical precision to deliver professional seam quality, energy efficiency, and rock-solid reliability for modern production environments.
