NMRV-F Flange Output Worm Gearbox
Need product advice? Ask an expert
Got questions?
Feel free to get in touch
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
NMRV-F Flange Output Selection Guide
NMRV-F is designed for applications that need a compact worm gearbox with a flange-output configuration. The flange interface can simplify connection to driven equipment, but the flange size, shaft dimensions, mounting position, motor power, and reduction ratio must be checked together.
When should an NMRV-F configuration be selected?
Choose this configuration when the driven machine requires a flange-supported output connection and a compact right-angle transmission. Compare the equipment interface with the dimensional drawing before ordering.
How is the correct motor and ratio selected?
Selection depends on the required output speed, output torque, load characteristics, operating time, and available motor power. Higher ratios can affect efficiency, so operating conditions should be reviewed.
Which details should be supplied for a quotation?
Send the required model size, ratio, motor specification, mounting position, output interface, quantity, and application information.
Explore related worm gearboxes or contact ZPGear with the required ratio, motor power, mounting position, and output-shaft dimensions for model confirmation.