Описание
EP-NRV030 Solid Shaft Aluminium Worm Gearbox – Product Overview
The EP-NRV030 is the entry-level NRV solid-shaft worm gearbox for light-duty conveyor and food processing drives, offering 11 ratios and universal motor coupling. With a solid Ø9j6 input shaft instead of an IEC motor flange, the NRV030 accepts any motor type via standard shaft coupling – servo motors, stepper motors, DC brushless, hydraulic motors, and even combustion engine PTO drives. This universal motor compatibility is the defining advantage of the NRV series over the IEC-flange-only NMRV series. At approx. 1.5 kg with 30 mm centre distance and Ø14g6 output shaft, it delivers up to 21 Nm output torque across ratios 5-80:1. The die-cast aluminium alloy housing provides corrosion resistance and thermal efficiency superior to cast iron while saving 30-50% in weight. Purpose-designed for food-grade belt conveyors, retail turntables, and packaging actuators where the solid input shaft enables coupling to washdown-rated servo motors and variable-speed DC drives.
EP-NRV030 Technical Specifications
| Parameter | Value |
|---|---|
| Model | EP-NRV030 |
| Centre Distance | 30 mm |
| Weight (without motor) | approx. 1.5 kg |
| Input Shaft | Ø9j6 (solid) |
| Output Shaft | Ø14g6 |
| Output Shaft Length B | 30 mm |
| Output G1 | 63 mm |
| Output Overall L | 102 mm |
| Output Thread | M6 |
| Output Keyway b1 | 5 mm |
| Output Keyway t1 | 16 mm |
| Ratio Range | 5-80:1 |
| Input Power Range | 0.06-0.18 kW |
| Max Output Torque | 21 Nm |
| Housing Material | Die-cast aluminium alloy, painted finish |
| Worm Wheel | Tin-bronze alloy |
| Worm Shaft | Case-hardened steel, precision ground |
| Lubrication | Synthetic oil, lifetime fill |
| IP Rating | IP54 |
| Mounting Positions | B3, B6, B7, B8, V5, V6 |
NRV030 Performance Data (n1 = 1400 rpm)
| Ratio | n2 (rpm) | Torque (Nm) | Input (kW) |
|---|---|---|---|
| 5 | 280 | 18 | 0.6 |
| 10 | 140 | 18 | 0.3 |
| 20 | 70 | 18 | 0.2 |
| 25 | 56 | 21 | 0.2 |
| 30 | 46.7 | 20 | 0.2 |
| 50 | 28 | 17 | 0.1 |
| 80 | 17.5 | 13 | 0.1 |
✓ Core Features and Benefits
Unlike the IEC-flange NMRV series, the NRV solid input shaft couples to ANY motor type via standard shaft couplings – AC induction, DC brushless, servo, stepper, hydraulic, pneumatic, and combustion engine PTO drives.
The widest ratio range in the small NRV sizes. Solid 9 mm j6 input shaft accepts any motor type via standard coupling – not restricted to IEC flange motors like the NMRV030.
Output shaft matches standard 14 mm bore couplings and sprocket hubs used across light-duty Australian industrial applications. Direct fit without adaptor sleeves.
Die-cast aluminium housing dissipates heat 3x faster than cast iron for continuous duty at up to 40°C ambient. Factory coating resists humidity, washdown chemicals, and mild salt spray exposure.
⚙ Industry Applications
Corrosion-resistant aluminium worm gearbox for belt conveyors in food processing. Solid shaft accepts food-grade servo drives for variable-speed washdown applications.
Ultra-quiet foot-mount worm gearbox for motorised display platforms. 80:1 ratio delivers slow smooth rotation below 65 dB(A) noise level suitable for showroom environments.
Solid shaft input couples to diesel-hydraulic motors, engine PTO drives, and battery-powered DC motors – not restricted to mains-powered IEC motors. Essential for mining, agriculture, and construction in remote locations.
Direct servo or stepper motor coupling via bellows or beam couplings for position-control applications. Achieves angular accuracy levels that IEC-flange worm reducers cannot match.
⚙ Selection Guide and Mounting Positions
Choose the NRV030 when you need universal motor coupling flexibility – servo, stepper, DC, hydraulic, or PTO. If your application uses only standard IEC AC motors, the NMRV030 with direct flange mount may offer a simpler installation. Both NRV and NMRV share identical output shaft specifications, torque ratings, and housing dimensions at each size.
| Position | Code | Oil Note |
|---|---|---|
| Horizontal | B3 | Standard fill |
| Inverted | B8 | Increased fill |
| Vertical up | V5 | Reduced fill |
| Vertical down | V6 | Maximum fill |
| Wall-mount L/R | B6/B7 | Per chart |
⚖ NRV Aluminium vs Cast Iron Worm Gearbox Comparison
The NRV aluminium worm gearbox provides significant weight savings, better corrosion resistance, and superior heat dissipation compared to traditional cast iron reducers – with the added advantage of universal motor coupling via the solid input shaft.
| Feature | Aluminium NRV | Cast Iron |
|---|---|---|
| Weight | 30-50% lighter | Heavier |
| Corrosion | Excellent | Poor |
| Heat | Superior | Moderate |
| Cost | Lower | Higher |
| Input Shaft | Solid – universal coupling | Often fixed flange |
| Motor Compatibility | Any motor via coupling | Usually IEC only |
❓ Frequently Asked Questions
▶ How does the NRV030 compare to the NMRV030?
▶ What cover and torque arm fit the NRV030?
▶ What is the maximum output torque of the NRV030?
▶ What mounting positions does the EP-NRV030 support?
▶ What accessories are available for the EP-NRV030?
★ Customer Reviews
“12 NRV030 on our food sorting conveyors coupled to washdown-rated servo motors. Aluminium handles daily CIP cleaning cycles without any corrosion issues.”
Sarah K. – FreshPack Australia (Australia)
“NRV030 drives our retail display platforms at 80:1. Very quiet operation. Solid shaft to DC gearmotor is a simple and reliable setup for our clients.”
Lukas P. – Vienna Display GmbH (Austria)
“Standard for our small conveyor OEM builds. Solid shaft gives our clients motor choice flexibility. Good quality at a competitive price point.”
Chen Wei – Suzhou Conveyor Co. (China)
⚙ Related Products and Accessories
⚙ Compatible Motors: Any motor type via solid shaft coupling – servo, stepper, DC, hydraulic, PTO. ⚖ Torque Arms: Size-matched for shaft-mount installations. ⚙ Output Shafts: Single and double solid output shaft options. ⚖ Protective Covers: Input shaft bore dust protection. ⚙ NMRV030: IEC motor flange version of the same 30 mm frame size.
Get Your EP-NRV030 Quote Today
Contact Ever Power for pricing, custom shafts, and OEM quantities. Email: [email protected]
