NMRV-F
Technical Specifications
A compact, reliable gearmotor unit combining an NMRV series worm gear reducer with a high-efficiency electric motor. Designed for a wide range of industrial applications requiring high torque, low speed, and self-locking capabilities.
This NMRV worm gearmotor is engineered for stable right-angle power transmission, smooth operation, and easy integration. Ideal for conveyors, packaging lines, automation equipment, and general speed-reduction duties.
1. Core Performance Parameters
Key parameters and ranges for quick selection.
| Parameter | Value / Description |
|---|---|
| Model Series | Nmrv 040 / 050 / 063 / 075 / 090 |
| Gear Ratio Range | 5:1 to 100:1 (Standard ratios: 7.5–100:1) |
| Rated Output Torque | 3.2 N·m ~ 1190 N·m (Varies by model and ratio) |
| Applicable Motor Power | 0.09 kW ~ 7.5 kW (Common range) |
| Transmission Efficiency | 50% ~ 90% (Efficiency decreases with higher ratios) |
| Key Features | High gear ratio, smooth operation, self-locking function |
2. Mechanical Design & Materials
Core components and mounting interface.
Core Components
- Housing: Aluminum alloy (lightweight, good heat dissipation, corrosion resistant)
- Worm Wheel: Wear-resistant phosphor bronze (industry standard)
- Worm: Surface-hardened alloy steel (e.g., 20CrMnTi)
Interface & Mounting
- Output: Solid shaft output
- Input: IEC standard flange (B5 / B14)
- Mounting: Foot mounted
3. Mated Motor Specifications
Motor type and environment ratings.
Motor Type
- Type: Three-phase/single-phase asynchronous motor (IEC standard)
- Poles: Typically 4-pole (input speed ~1400–1500 RPM)
- Efficiency: Various efficiency classes available (IE1, IE2, IE3)
Protection & Environment
- IP Rating: IP55 (dust and water jet proof)
- Insulation Class: Class F (155°C)
- Ambient Temperature: -10°C to +40°C
4. Typical Application Areas
Common scenarios where this reducer is used.
Packaging & Conveying
Food & Chemical Machinery
Ceramic & Glass Machinery
Automation & Mixing Equipment