説明
EP-NMRV030 Aluminium Worm Reducer – Versatile Light-Duty Drive
The EP-NMRV030 is the workhorse entry-level aluminium worm reducer for light-duty industrial applications. Where the NMRV025 serves micro-mechanism drives, the NMRV030 steps up to handle real conveyor loads – delivering up to 24 Nm output torque at 0.18 kW across 11 standard ratios from 5:1 to 80:1. The 30 mm centre distance and Ø14 mm output shaft accept standard couplings and sprocket hubs directly, making the NMRV030 the standard choice for light packaging conveyors, rotary table indexers, and food-grade actuator drives across Australia and the Asia-Pacific region. IEC motor frames 56 to 71 connect directly via B5 or B14 flange without adaptor plate. The die-cast aluminium housing dissipates heat efficiently, allowing continuous duty at ambient temperatures up to 40°C without supplementary cooling. For extreme ratio applications up to 5000:1, the NMRV030 serves as a pre-stage for NMRV040, NMRV050, and NMRV063 in proven double-stage configurations.
EP-NMRV030 Technical Specifications
| Parameter | Value |
|---|---|
| Model | EP-NMRV030 |
| Centre Distance | 30 mm |
| Weight (without motor) | 1.2 kg |
| Output Shaft | Ø14 mm g6 tolerance |
| Keyway b1 | 5 mm |
| Keyway depth t1 | 16 mm |
| Ratio Range | 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80 |
| Input Power | 0.06 – 0.18 kW |
| Housing | Die-cast aluminium alloy, painted finish |
| IEC Motor Frames | 56B5, 56B14, 63B5, 63B14, 71B5, 71B14 |
| IP Rating | IP54 |
| Mounting Positions | B3, B6, B7, B8, V5, V6 |
| Output Flange | FA (standard) |
| Double-Stage | 030/040 (5000:1), 030/050 (4800:1), 030/063 (5000:1) |
Performance Data at P1 = 0.06 kW (n1 = 1400 rpm)
| Ratio | n2 (rpm) | Torque (Nm) | Service Factor | Fr2 (N) |
|---|---|---|---|---|
| 5 | 280 | 1.8 | 10.1 | 597 |
| 7.5 | 186.7 | 2.6 | 6.9 | 683 |
| 10 | 140 | 3.4 | 5.4 | 752 |
| 15 | 93.3 | 4.7 | 3.8 | 861 |
| 20 | 70 | 6.0 | 3.0 | 948 |
| 25 | 56 | 7.0 | 3.0 | 1021 |
| 30 | 46.7 | 8.0 | 2.5 | 1085 |
| 40 | 35 | 9.7 | 1.9 | 1194 |
| 50 | 28 | 11 | 1.5 | 1286 |
| 60 | 23.3 | 13 | 1.3 | 1367 |
| 80 | 17.5 | 14 | 0.9 | 1504 |
Double-Stage Combinations with NMRV030 as Pre-Stage
| Combination | Ratio Range | Max Torque |
|---|---|---|
| NMRV030/040 | 300 – 5000:1 | 338 Nm |
| NMRV030/050 | 900 – 4800:1 | 311 Nm |
| NMRV030/063 | 1500 – 5000:1 | 360 Nm |
✓ Core Features and Benefits
Direct bolt-on connection for IEC standard motors. No adaptor plate, no coupling, no alignment tool required – motor mounts in four bolts. Supports both B5 flange-face and B14 face-mount configurations.
Select from 11 standard ratios without changing the external housing dimensions or mounting bolt pattern. Ratio changes on existing installations require only a gearbox swap – no frame modifications needed.
Die-cast aluminium conducts heat 3x faster than cast iron, enabling continuous duty at up to 40°C ambient without supplementary cooling fans – reducing installed cost and energy consumption.
The NMRV030 is the standard pre-stage for NMRV040, NMRV050, and NMRV063 double-stage configurations – reaching ratios up to 5000:1 for solar trackers, valve actuators, and positioning systems.
⚙ Industry Applications
Corrosion-resistant aluminium worm gearbox for belt and chain conveyor drives in food processing lines. Handles daily CIP washdown without the corrosion issues of unprotected cast iron – the standard choice for Australian meat, dairy, and bakery equipment.
Compact 1.2 kg worm reducer for carton erecting, labelling, and shrink-wrap conveyor drives. IEC 63B14 motor connection enables rapid motor swap during production changeovers.
Ultra-quiet worm reducer for motorised retail display turntables and exhibition rotating platforms. 80:1 ratio delivers slow, smooth rotation – noise below 65 dB(A) for showroom environments.
Drives for greenhouse irrigation valves, seedling conveyor tables, and small-format sorting mechanisms. Aluminium housing handles outdoor humidity and agricultural chemical exposure.
⚙ Selection Guide and Mounting Positions
Choose the NMRV030 when your application requires output torque between 1.8 Nm and 24 Nm at input power up to 0.18 kW. If your motor frame exceeds 71 IEC, or output torque exceeds 24 Nm, step up to the NMRV040. For output torque below 2 Nm with no IEC motor requirement, the lighter NMRV025 may suffice.
| Position | Code | Oil Level Note |
|---|---|---|
| Horizontal foot-mount | B3 | Standard fill to sight glass |
| Horizontal inverted | B8 | Increased fill |
| Vertical output up | V5 | Reduced fill |
| Vertical output down | V6 | Maximum fill |
| Wall-mount left/right | B6/B7 | Per mounting chart |
⚖ Aluminium vs Cast Iron – Australian Market Perspective
In Australia, aluminium worm reducers dominate food, packaging, and light industrial applications due to their corrosion resistance and lower shipping weight. Cast iron remains preferred only in heavy mining and high-shock environments.
| Feature | Aluminium NMRV/NRV | Cast Iron Reducer |
|---|---|---|
| Weight | 30-50% lighter | Heavier baseline |
| Corrosion Resistance | Excellent – aluminium alloy | Poor – requires coating |
| Heat Dissipation | Superior – aluminium conductivity | Moderate |
| Unit Cost | Lower | Higher |
| Noise | Low | Moderate |
| IEC Motor Fit | Direct B5/B14 flange | Often needs adaptor |
❓ Frequently Asked Questions
▶ What IEC motor frames fit the EP-NMRV030?
▶ What is the maximum ratio available for the EP-NMRV030?
▶ How does the EP-NMRV030 compare to the NMRV025?
▶ Can I use the EP-NMRV030 in a wet food processing environment?
▶ What is the noise level of the EP-NMRV030 at rated load?
★ Customer Reviews
“Running 16 EP-NMRV030 units at 30:1 ratio on our carton conveyor indexing drives. Bolt-on IEC 63B14 motor makes changeover a 15-minute job. Aluminium housing stays cool – no external fans needed even in our Queensland summer heat.”
Mark D. – Pacific Packaging Solutions (Australia)
“The NMRV030 is our standard reducer for small food conveyor drives. We export the machines to Southeast Asia – the aluminium housing handles tropical humidity without the rust issues we had with cast iron units.”
Chen Wei – Suzhou Food Machinery Co. (China)
“Excellent lightweight reducer for our automated retail display turntables. The 80:1 ratio gives us the slow, smooth rotation our clients need. Very quiet – suitable for retail showroom environments.”
Lukas P. – Wiener Automatik GmbH (Austria)
⚙ Related Products and Accessories
⚙ IEC Motors: Frames 56-71, B5 and B14 flange. ⚖ Output Flanges: FA standard. ⚖ Torque Arms: K1=85mm for shaft-mount installations. ⚙ Protective Covers: N2=42mm input shaft dust covers.
Get Your EP-NMRV030 Quote Today
Contact Ever Power for pricing and OEM quantities. Email: [email protected]
