Description
Kinedyne HM-750SL — 750W High-Torque Low-Speed Servo Motor
The Kinedyne HM-750SL is a 750W brushless electronic servo motor designed to provide industrial sewing machines with smooth operation, strong low-speed torque, and precise speed control.
With 8.6 Nm of maximum torque and a speed range starting at just 50 RPM, the HM-750SL is particularly well suited for medium-weight industrial sewing machines, leather stitchers, upholstery machines, hobby workshops, and small production environments.
Its low-speed capability allows operators to work carefully through corners, curves, seams, and detailed sections while maintaining consistent needle control.
750W Brushless Power
The HM-750SL delivers 750W of power, approximately equivalent to 1 HP, providing strong and consistent performance for medium-weight leather, upholstery, canvas, webbing, and other demanding materials.
High Torque at Low Speed
With up to 8.6 Nm of torque, the HM-750SL maintains strong needle penetration even when operating at low speeds. This makes it easier to control difficult sewing operations without relying on excessive motor speed.
Precision Control from 50 RPM
The motor can operate at speeds as low as 50 RPM, allowing stitch-by-stitch control when starting seams, following curves, turning corners, or sewing through thicker sections.
For many sewing applications, this level of low-speed control can also eliminate the need for an additional speed-reducer pulley system.
Smooth and Responsive Operation
The HM-750SL uses an optical control system for responsive pedal operation and smooth speed transitions. Its soft-start behavior helps prevent sudden acceleration, while the electronic braking system allows the motor to stop quickly when the pedal is released.
Built-In Control Features
The HM-750SL supports several useful features for precision sewing, including:
- Soft-start function
- Electronic JOG dial
- Half-stitch control
- Low-speed control
- Optional needle positioner
- Expansion ports for compatible automation accessories
The motor also includes firmware support for accessories such as an automatic presser-foot lifter, needle cooler, and automatic reverse system.
Optional Needle Positioner
The optional needle positioner allows the sewing machine to stop with the needle in either the UP or DOWN position.
This is useful when pivoting material during sewing or when raising the needle at the end of a seam for easier material removal.
Designed for Medium-Weight Applications
The HM-750SL is optimized for medium-weight industrial sewing machines and smaller production environments. It is also a practical choice for hobbyists and leatherworkers who want more precise control than a conventional clutch motor provides.
For continuous 10–12 hour multi-shift operation or demanding extra-heavy-duty leather machines, the HM-750SH is recommended because it incorporates enhanced thermal management and overheat protection.
Durable Construction
The HM-750SL features:
- Pure copper stator windings
- Reinforced alloy mounting base
- Integrated overheat protection
- Full-coverage belt guard
- Brushless motor construction
- 110V operation
Energy-Efficient Servo Technology
Electronic servo motors operate according to the sewing machine’s demand rather than continuously driving the machine like a traditional clutch motor. The manufacturer reports 60–80% lower energy consumption compared with conventional clutch motors, depending on operating conditions.
Specifications
| Specification | HM-750SL |
|---|---|
| Power | 750W |
| Maximum Torque | 8.6 Nm |
| Lowest Speed | 50 RPM |
| Maximum Speed | 2,500 RPM |
| Voltage | 110V |
| Motor Type | Brushless Electronic Servo |
| Warranty | 12 Months |
| Packing Size | 335 × 305 × 280 mm |
| Shipping Weight | 8 kg |
Ideal Applications
- Medium-weight industrial sewing machines
- Leather sewing machines
- Upholstery sewing
- Canvas and heavy fabrics
- Webbing and straps
- Leather goods production
- Hobby leatherworking
- Small production shops
- Precision sewing applications
Optional Upgrades
Needle Positioner — +$50
Allows the needle to stop in the UP or DOWN position.
JOG Dial — +$75
Provides convenient stitch-by-stitch speed control.
Half Stitch Button — +$50
Provides precise half-stitch control for fine adjustments.
Low Speed Button — +$50
Provides additional low-speed control for precision sewing.
HM-750SL vs. HM-750SH
Both motors provide 750W of power, 8.6 Nm maximum torque, and speeds starting at 50 RPM. The main difference is their intended operating environment.
- HM-750SL: Medium-weight machines, hobbyists, and small production shops.
- HM-750SH: Extra-heavy-duty machines and extended, high-intensity production.
Product Price
$325.00 + shipping
Call +1 (626) 702-6369 for more information or to order.
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