SKS-770E: Electronic Yarn Doubling Machine
The #SKS-770E Electronic Yarn Doubling Machine is a high-precision textile machine designed to combine two or more yarns into a single, uniform yarn package. It is suitable for cotton, wool, polyester, nylon, blended yarns, and other filament or spun yarn applications.
The machine uses an advanced electronic control system to accurately monitor yarn feeding, tension, spindle speed, and winding conditions. Individual spindle control helps maintain stable yarn tension and consistent doubling quality throughout the production process. When yarn breakage or abnormal running conditions occur, the machine can automatically stop the affected spindle, reducing yarn waste and preventing defective packages.
Its user-friendly control interface allows operators to conveniently set and monitor key production parameters. The optimized yarn path and precision winding system ensure smooth package formation and reliable unwinding during subsequent processes.
The Electronic Yarn Doubling Machine is widely used for weaving, knitting, twisting, warping, and other downstream textile applications, providing higher productivity, improved yarn quality, and stable production performance.
| Item | Specification |
|---|---|
| Machine Type | Type A |
| Spindle Gauge | 450 mm |
| Suitable Materials | Various short-fibre and synthetic-fibre yarns |
| Operation Method | Manual |
| Spindles per Section | 4 spindles |
| Sections per Machine | ≤ 12 sections |
| Yarn Count Range | Short-fibre yarn: 10 Ne–80 Ne |
| Winding Speed | ≤ 800 rpm |
| Winding Tube Size | Customer specified |
| Package Weight | ≤ 4 kg |
| Standard Number of Spindles | 40 spindles |
| Machine Dimensions (L × W × H) | 2380 × 860 × 1300 mm |
| Optional Function | Individual spindle length counter |

SKS-770S: Precision Doffer/Selector Doubling Machine
#SKS-770S Doffer/Selector Doubling Machine is a specialized textile machine designed for efficient yarn doubling, automatic doffing, and precise package selection. It combines reliable mechanical performance with an intelligent control system to improve production efficiency and reduce manual intervention.
The machine is suitable for doubling two or more yarns into a uniform package, supporting a wide range of yarn types and counts for weaving, knitting, twisting, and other downstream textile applications. Its precision yarn-guiding and tension-control systems help maintain stable yarn tension and consistent package formation throughout the production process.
The integrated Doffer and Selector system enables fast and accurate package handling, allowing completed packages to be automatically removed and selected according to preset production requirements. This reduces operator workload, minimizes production interruptions, and improves overall machine utilization.
With its stable operation, high automation, accurate yarn control, and convenient operation, the Doffer/Selector Doubling Machine provides an efficient solution for modern yarn processing factories seeking higher productivity, consistent quality, reduced labor requirements, and reliable long-term performance.

#SKS-770B: ShuttleBox Doubling Machinery
The #SKS-770B Shuttle Box Doubling Machine is a high-efficiency textile machine designed to combine two or more yarns and wind them into uniform packages. Its shuttle box-type creel structure allows flexible arrangement of different yarn packages, making the machine suitable for various yarn doubling requirements.
The precision yarn-guiding system and stable tension-control mechanism help minimize yarn tension fluctuations, entanglement, and breakage, ensuring consistent doubling quality and excellent package formation. The machine is designed for convenient operation, quick yarn changing, and easy adjustment, helping improve productivity while reducing labor requirements.
It is suitable for a wide range of yarns, including cotton, wool, polyester, nylon, blended yarns, spun yarns, and filament yarns. The machine can be widely used in weaving, knitting, twisting, warping, and other downstream textile processes.
With its stable operation, efficient yarn handling, flexible configuration, and reliable performance, the Shuttle Box Doubling Machine provides a practical and economical solution for modern textile mills seeking improved productivity, consistent yarn quality, and reduced production costs.
Basic Specifications
| Item | Specification |
|---|---|
| Standard Number of Spindles | 24 spindles |
| Spindle Gauge | 460 mm |
| Spindles per Section | 4 spindles |
| Sections per Machine | 6 sections |
| Power per Spindle | 250 W, 3-phase 220 V / 60 W, 3-phase 220 V |
| Number of Ends to be Doubled | 2–8 ends |
| Winding Speed | ≤ 400 m/min |
| Traverse Length | 215 mm / 250 mm |
| Package Weight | ≤ 4 kg / ≤ 6 kg |
| Drive System | Individual spindle control |
| Length Measurement | Sensor-based length measurement |
| Operation & Control | Touchscreen |
| Tension Control | Tension spring |
| Yarn Break Stop System | Photoelectric detection (piezoelectric sensing) |
| Empty Package Marking Air Pressure | 1.8–2 Pa |
| Input Power Supply & Total Capacity | 220 V / 50 Hz / 30 A |
| Grooved Drum | 50 mm grooved drum |
| Optional Device | Empty package marking system |
| Machine Dimensions | Head section length: 2,250 mm (including electrical cabinet); Width: 3,000 mm; Height: 1,830 mm; Body section length: 1,___ mm |

#SKS-770D - Doubling Winder Machinery
The #SKS-770D Double Winder is designed for doubling and winding two or three strands of yarn into one uniform package. It combines multiple yarn strands from separate supply packages and winds them together onto a bobbin or package, preparing the doubled yarn for the subsequent Two-for-One Twisting process.
The machine is suitable for cotton, hemp and other natural fibres, wool/fur fibres, synthetic fibres, and various blended yarns. By providing stable yarn tension, reliable broken-yarn detection and uniform winding, the machine ensures consistent package quality for downstream twisting and textile production.

|
Model No. |
SKS-770D |
|
Mode of machine |
double sides, single layer |
|
No. of spindles |
The multiple of ten (100 spindles, ordinary mode) |
|
spindle gauge |
340mm/410mm |
|
Anti-overlap mode |
electronic formula |
|
Driving mode |
Single spindle control by single motor |
|
Form of winding |
grooved drum |
|
Merge strands |
2-3 strands |
|
Input power |
380V/50Hz/30A |
|
Tension control |
self-weight platen mode |
|
Auto-stopper |
electronic broken testing device, pneumatic lifting device |
|
Power/ spindle |
90W Brushless DC energy saving motor |
|
Overall size |
Head-stock 400mm* 710mm* 1300mm |
|
Optional |
Preset yarn length device, air splice device, over head blower, cutter |

SKS-770F: Straight-Line Yarn Opening Machinery
The Straight-Line Yarn Opening Machine is a professional textile machine designed to efficiently open, separate, and guide yarn from packages or bobbins in a controlled and uniform manner. It provides stable yarn delivery with consistent tension, helping prevent yarn entanglement, overlapping, and irregular feeding during subsequent textile processes.
The machine adopts a straight-line yarn feeding arrangement, making the yarn path simple, clear, and easy to operate. Its optimized yarn-guiding system ensures smooth running and minimizes unnecessary friction and tension fluctuations. The machine can be equipped with individual tension control, yarn break detection, automatic stop functions, and adjustable yarn guides according to different production requirements.
It is suitable for a wide range of yarn types and can be used as a preparatory machine for yarn doubling, twisting, warping, winding, and other textile processes.
With its practical design, stable performance, easy operation, and efficient yarn handling, the Straight-Line Yarn Opening Machine helps improve production efficiency, yarn quality, and process reliability while reducing manual intervention and yarn waste.
|
Item |
A Type |
B Type |
B Type |
B Type |
|
Machine Description |
Standard Type |
Straight Doubling Machine |
Straight Doubling Machine |
Straight Doubling Machine |
|
Spindle Gauge |
336 mm |
420 mm |
420 mm |
520 mm |
|
Suitable Materials |
Various short-fibre / synthetic-fibre twisted yarns |
Various short-fibre / synthetic-fibre twisted yarns |
Various short-fibre / synthetic-fibre twisted yarns |
Various short-fibre / synthetic-fibre twisted yarns |
|
Number of Strands |
2–3 strands |
2–3 strands |
2–3 strands |
2–4 strands |
|
Traverse Length |
152 mm |
215 mm |
152 / 215 mm |
250 mm |
|
Tension Control |
Tension spring |
Tension spring |
Tension spring |
Tension spring |
|
Drive System |
Individual spindle control |
Individual spindle control |
Individual spindle control |
Individual spindle control |
|
Operation Control |
Touch screen |
Touch screen |
Touch screen |
Touch screen |
|
Automatic Yarn-Break Stop |
Photoelectric sensing |
Photoelectric sensing |
Photoelectric sensing |
Photoelectric sensing |
|
Spindle Motor Power |
90 W, 3-phase 220 V |
90 W, 3-phase 220 V |
90 W, 3-phase 220 V |
120 W, 3-phase 220 V |
|
Operation Method |
Manual |
Manual |
Manual |
Manual |
|
Spindles per Section |
12 |
10 |
10 |
8 |
|
Sections per Machine |
≤12 |
≤12 |
≤12 |
≤12 |
|
Yarn Count Range |
Short-fibre: 10–80 Ne |
Short-fibre: 10–80 Ne |
Short-fibre: 10–80 Ne |
Short-fibre: 10–80 Ne |
|
Winding Speed |
≤800 r/min |
≤800 r/min |
≤800 r/min |
≤800 r/min |
|
Winding Tube Size |
Customer specified |
Customer specified |
Customer specified |
Customer specified |
|
Package Weight |
≤3 kg |
≤3 kg |
≤3 kg |
≤5 kg |
|
Standard Spindles |
144 |
120 |
120 |
96 |

