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SPEEDWAY® AI4 – Material Recognition Direct Drive Lockstitch with Auto Tension & Trimmer – Complete Setup, Table & Stand Included
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Specifications
- Stitch type
- Lockstitch
- Feed
- Drop Feed
- Construction
- Flatbed
- Features
- Thread Trimmer, Automatic Foot Lifter, Automatic Reverse, Needle Positioner, Automatic Lubrication, Full Function
- Best for
- Lightweight Apparel, Denim / Jeans, Activewear / Stretch
Description
AI material-recognition lockstitch — the machine senses fabric weight and adjusts tension automatically. The flagship single-needle for shops that switch fabrics constantly and don't want operators re-tuning between every job.
Who runs this
Contract apparel shops that mix fabric weights through the day — cotton in the morning, denim in the afternoon, performance fabric for a specialty run. Operator setup time on tension changes is the cost the AI4 eliminates.
Sample rooms and prototyping shops where every job is a different fabric. Tension tuning that used to take 5 minutes per fabric change becomes zero — the machine handles it.
Why AI tension matters
- Auto-detect fabric weight. Sensors read the material as it feeds and adjust top + bobbin tension. Lightweight cotton to heavy denim — no operator recalibration.
- Auto thread trim + auto presser foot lift. Discrete-cycle production speed without operator intervention between cycles.
- Direct drive, fast pivot, fingertip-slow. Production-grade SPM on the high end; precise low-speed control for corner pivots.
Application examples
Mixed apparel run
Apparel shop running 4 different fabric weights in a single shift. AI tension means the same operator handles all four without setup time between jobs.
Sample room
Prototype lab making one-off samples for client review. Each sample is a different spec; tension tuning is the dominant cost the AI4 eliminates.
Repair shop
Multi-piece-per-day alterations and repairs across cotton, denim, wool, and performance fabric. Different tension needed for every piece — auto-tension makes the machine truly walk-up.
What ships with it
Machine assembled with AI tension control system, integrated direct drive motor, industrial table and stand.



