The HEM75 Worm Gearbox is a powerful worm gear unit for medium and heavy-duty machine applications. It provides higher torque transmission than the HEM63 frame, works with more powerful motors and offers a higher load capacity. It is supplied with the HEM Motor manufacturer guarantee and delivered quickly from stock.

Technical Specifications
- Frame type: HEM75 worm gearbox frame
- Reduction ratios: 1/7.5 – 1/10 – 1/15 – 1/20 – 1/25 – 1/30 – 1/40 – 1/50 – 1/60 – 1/80 – 1/100
- Input speed: Used with standard 1400–1500 rpm electric motors
- Compatible motor powers: 0.75 kW – 3 kW
- Motor mounting options: IEC 80 B5, IEC 80 B14, IEC 90 B5, IEC 90 B14, IEC 100 B5, IEC 100 B14 (B5 or B14 flange-mounted electric motors)
- Mounting: Suitable for horizontal, vertical or angled mounting positions
Approximate Output Speeds by Reduction Ratio
| Reduction Ratio | Approx. Output Speed |
|---|---|
| 1/7.5 | 190–200 rpm |
| 1/10 | 140–150 rpm |
| 1/15 | 90–100 rpm |
| 1/20 | 70–75 rpm |
| 1/25 | 55–60 rpm |
| 1/30 | 45–50 rpm |
| 1/40 | 35–38 rpm |
| 1/50 | 28–30 rpm |
| 1/60 | 23–25 rpm |
| 1/80 | 17–19 rpm |
| 1/100 | 14–15 rpm |
Motor Power Selection Table
| Motor Power | Typical Use |
|---|---|
| 0.75 kW | Medium-load applications |
| 1.1 kW | Conveyor, mixer and automation systems |
| 1.5 kW | Machines requiring higher torque |
| 2.2 kW | Heavy working conditions and powerful applications |
| 3 kW | Industrial systems requiring high torque |
Key Features
- Higher torque transmission and load capacity than the HEM63 frame
- Quiet and balanced operation thanks to the worm gear design; increases output torque while reducing motor speed
- Low-vibration operation extends equipment life; suitable for continuously running conveyors, mixers, screw conveyors and automation systems
- Robust housing suitable for industrial working conditions; compact design takes up little space on the machine
- Easy coupling with B5 or B14 flange-mounted electric motors
- Easy integration into many machine designs with motor flange, output shaft and housing connection options
Applications
- Conveyor systems
- Packaging machines
- Food production machinery
- Mixers
- Screw conveyor systems
- Dosing machines
- Drum systems
- Load handling systems
- Textile machinery
- Agricultural machinery
- Lid/door opening-closing mechanisms
- Industrial automation systems
- Light and medium-scale lifting/turning systems
Stock and Ordering
The HEM75 Worm Gearbox is delivered quickly from stock with the HEM Motor manufacturer guarantee. For pricing and quotations, call us at +90 (532) 345 49 86 or reach us via our contact page.
