The Jack A4C Computerized Lockstitch Sewing Machine is a state-of-the-art automatic industrial sewing machine powered by the revolutionary Octopus Nine-Brain AI Chip and NTB System. Featuring Jack’s exclusive $0^\circ$ Thread Path Technology, it reduces thread tension by 30% and slashes overall thread breakage rates by 80%. Engineered with real-time AI calculation capable of 10,000 computations per second, the Jack A4C delivers precise fabric feeding force, smooth backtacking, and automatic thread trimming. With an overall output increase of 5%, it provides unmatched reliability and performance across light, medium, and heavy-duty materials.
Key Features
Octopus Nine-Brain AI Chip
$0^\circ$ Thread Path Technology
80% Less Thread Breakage
5% Higher Production Output
Integrated Direct Drive Servo Motor
Smart Operation Panel
Technical Specifications
| Operation Type: Automatic / Computerized Direct Drive Lockstitch |
| Max Stitch Length: 5 mm (A4C-C) / 7 mm (A4C-C-7 & A4C-CH-7 Series) |
| Max Tack Stitches: Programmable Automatic Digital Reverse & Backtack |
| Needle System: DBx1 (11#–18#) / DPx5 (18#–21# for Heavy Material Models) |
| Max Speed: Up to 5,000 S.P.M. (A4C-C) / 3,500 S.P.M. (Heavy Duty Models) |
| Application: Light, Medium to Heavy Duty Fabrics (Shirts, Trousers, Jeans, Uniforms) |
| Bed Type: Flat Bed Industrial Overlock / Serger Head |
| Hook Type: Automatic Lubricated Rotary Hook |
| Lubrication: Automatic Centralized Semi-Dry Oil System |
Fill out the form to receive pricing, specs, and expert assistance on our products.
