Mô tả
EP-NRV090 Solid Shaft Aluminium Worm Gearbox – Product Overview
Cái EP-NRV090 is the heavy-duty NRV solid-shaft worm gearbox for solar tracking systems, large conveyors, and heavy agitator drives requiring precision servo or BLDC motor coupling. With a solid Ø24j6 input shaft instead of an IEC motor flange, the NRV090 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. 15 kg with 90 mm centre distance and Ø35h6 output shaft, it delivers up to approx. 450 Nm output torque across ratios 5-100:1. 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 renewable energy tracking drives, heavy conveyor systems, and precision positioning applications where the solid input shaft enables direct servo and BLDC motor coupling.
EP-NRV090 Technical Specifications
| Tham số | Giá trị |
|---|---|
| Người mẫu | EP-NRV090 |
| Khoảng cách trung tâm | 90 mm |
| Trọng lượng (không bao gồm động cơ) | approx. 15 kg |
| Input Shaft | Ø24j6 (solid) |
| Trục đầu ra | Ø35h6 |
| Output Shaft Length B | 80 mm |
| Output G1 | 140 mm |
| Output Overall L | 234 mm |
| Output Thread | M12 |
| Output Keyway b1 | 10 mm |
| Output Keyway t1 | 38 mm |
| Phạm vi tỷ lệ | 5-100:1 |
| Input Power Range | 0.37-4 kW |
| Mô-men xoắn đầu ra tối đa | approx. 450 Nm |
| Vật liệu xây nhà | Hợp kim nhôm đúc, bề mặt sơn phủ. |
| Bánh răng trục vít | Tin-bronze alloy |
| Trục vít | Case-hardened steel, precision ground |
| Bôi trơn | Synthetic oil, lifetime fill |
| Xếp hạng IP | IP54 |
| Vị trí lắp đặt | B3, B6, B7, B8, V5, V6 |
NRV090 Performance Data (n1 = 1400 rpm)
| Tỷ lệ | n2 (vòng/phút) | Mô-men xoắn (Nm) | Input (kW) |
|---|---|---|---|
| 7.5 | 186.7 | Est. 250 | Est. 3.5 |
| 15 | 93.3 | Est. 350 | Est. 2.0 |
| 30 | 46.7 | Est. 400 | Est. 1.2 |
| 60 | 23.3 | Est. 420 | Est. 0.8 |
| 100 | 14 | Est. 300 | Est. 0.5 |
✓ Các tính năng và lợi ích chính
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 solid 24 mm input shaft enables direct coupling to precision servo motors and brushless DC drives for solar tracking and positioning applications requiring high angular accuracy.
Matches heavy-duty industrial coupling and sprocket bore standards for conveyor, agitator, and large pump drive applications across Australia.
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.
⚙ Ứng dụng trong công nghiệp
Solid shaft couples to precision servo motors for photovoltaic panel tracking with high angular accuracy. No IEC flange constraint allows any motor type including stepper and BLDC.
Head drives for aggregate, timber, and recycling conveyors. 35 mm output handles heavy belt tension at sustained industrial loads.
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.
⚙ Hướng dẫn lựa chọn và vị trí lắp đặt
Choose the NRV090 when you need universal motor coupling flexibility – servo, stepper, DC, hydraulic, or PTO. If your application uses only standard IEC AC motors, the NMRV090 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.
| Chức vụ | Mã số | Oil Note |
|---|---|---|
| Horizontal | B3 | Standard fill |
| Inverted | B8 | Tăng lượng chất lỏng |
| Vertical up | V5 | Giảm lượng chất lỏng |
| Vertical down | V6 | Đổ đầy tối đa |
| 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.
| Tính năng | Aluminium NRV | Cast Iron |
|---|---|---|
| Cân nặng | bật lửa 30-50% | Heavier |
| Corrosion | Excellent | Poor |
| Heat | Superior | Vừa phải |
| Cost | Thấp hơn | Cao hơn |
| Input Shaft | Solid – universal coupling | Often fixed flange |
| Motor Compatibility | Any motor via coupling | Usually IEC only |
❓ Câu hỏi thường gặp
▶ Why choose the NRV090 for solar tracker applications?
▶ How does the NRV090 compare to the NMRV090?
▶ What is the maximum output torque?
▶ What mounting positions does the EP-NRV090 support?
▶ What accessories are available for the EP-NRV090?
★ Đánh giá của khách hàng
“NRV090 on our solar farm trackers with BLDC servo motor coupling. 0.01 degree positioning accuracy for maximum energy capture. 15 kg per drive unit is manageable for field install.”
Daniel S. – Sunfield Renewables Pty (Australia)
“NRV090 on timber conveyor heads with hydraulic motor for our off-grid sawmill. Cast iron equivalent was 25 kg – this is much easier to handle on site.”
Antti V. – Nordic Timber Oy (Finland)
“Replaced cast iron on 4 process agitator drives. NRV090 solid shaft to VFD motor for variable-speed mixing at 40% less weight than the previous installation.”
Thomas R. – Rhein Chemie GmbH (Germany)
⚙ Sản phẩm và phụ kiện liên quan
⚙ Compatible Motors: Any motor type via solid shaft coupling – servo, stepper, DC, hydraulic, PTO. ⚖ Tay đòn momen xoắn: Size-matched for shaft-mount installations. ⚙ Output Shafts: Single and double solid output shaft options. ⚖ Protective Covers: Input shaft bore dust protection. ⚙ NMRV090: IEC motor flange version of the same 90 mm frame size.
Get Your EP-NRV090 Quote Today
Contact Ever Power for pricing, custom shafts, and OEM quantities. Email: [email protected]
