描述
EP-NMRV030 — Versatile Mid-Micro Power Transmission
这 EP-NMRV030 worm gearbox steps up from the NMRV025 with a 30 mm centre distance and a higher rated input power of 0.18 kW, making it the preferred choice for applications that need more torque than a micro-reducer can deliver while still demanding a compact, lightweight footprint. Across conveyor feeder drives, agricultural equipment, water-treatment valve actuators, and small packaging line components, the NMRV030 delivers up to 1,367 N·m output torque — a substantial capacity for its physical size. The die-cast aluminium housing resists the humid coastal conditions prevalent along Australia’s manufacturing corridors, and the integrated IEC input flanges (56B14, 63B14, 63B5) accommodate the most common motor frames without adaptors. Unlike the NMRV025, the NMRV030 introduces a wider range of IEC connections, giving design engineers more motor-sourcing flexibility for cost-competitive projects.

Technical Specifications — EP-NMRV030

| 范围 | 价值 |
|---|---|
| 系列 | NMRV(带输入法兰的孔输入) |
| 中心距离 | 30 mm |
| 缩减率 | 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 |
| 额定输入功率 | Up to 0.18 kW |
| 输出速度范围 | 转速范围:14 至 280 转/分(输入转速 1400 转/分) |
| 最大输出扭矩 | 1,367 N·m |
| 房屋材料 | 压铸铝合金 |
| 蜗轮材料 | 磷青铜 |
| 蜗杆轴材料 | 20CrMnTi合金钢,表面硬化,磨削 |
| IEC输入法兰 | 56B14, 63B14, 63B5 |
| 输出孔 | 18 mm H7 with 5 mm keyway |
| 安装位置 | B3、B6、B7、B8、V5、V6 |
| 润滑 | ISO VG 220 mineral gear oil (factory filled) |
| 保护等级 | IP54 |
| 环境温度 | -10°C 至 +40°C |
NMRV030 Performance Table (0.18 kW / 1400 r/min)
| 比率(i) | 输出转速(转/分钟) | 输出扭矩(牛·米) | 服务系数(fs) |
|---|---|---|---|
| 7.5 | 187 | 683 | 7.0 |
| 10 | 140 | 752 | 5.4 |
| 15 | 93 | 861 | 3.9 |
| 20 | 70 | 948 | 3.1 |
| 25 | 56 | 1,021 | 3.1 |
| 30 | 47 | 1,085 | 2.5 |
| 40 | 35 | 1,194 | 1.9 |
| 50 | 28 | 1,286 | 1.5 |
| 60 | 23 | 1,367 | 1.3 |
✅ Core Features & Engineering Benefits
📈 Enhanced Torque Density
The NMRV030 delivers up to 1,367 N·m — a 36% torque increase over the NMRV025 — from a housing weighing under 1.5 kg. Ideal for weight-sensitive platforms such as mobile automation carts.
🕵 Wider IEC Flange Range
Three IEC input flange options (56B14, 63B14, 63B5) give procurement engineers more motor-sourcing flexibility, reducing dependency on a single motor supplier and enabling cost optimisation.
◈ Precision-Ground Worm Shaft
The 20CrMnTi case-hardened and precision-ground worm shaft paired with a phosphor-bronze wheel achieves low backlash and smooth power transfer, critical for positioning and dispensing conveyor applications.
🚫 Leak-Free Sealed Design
Double-contact lip seals on all rotating shafts prevent oil weeping in any mounting orientation — essential for overhead or inverted installations.
🌞 Efficient Thermal Management
External cooling fins increase surface area by over 40% compared to a flat-sided casing, reducing operating temperature rise by up to 15°C versus cast-iron equivalents.

🏭 Industry Applications
🌿 Agricultural Equipment
Compact worm gear reducer for seed dispensers, auger feeds, and irrigation gate actuators. IP54 sealing and aluminium casing withstand dusty outdoor Australian farm environments.
💧 Water Treatment
Worm gear speed reducer for slow-speed valve actuators, dosing pump drives, and filter screen rotation in water treatment facilities where corrosive atmospheres demand a non-ferrous housing.
⚙ Industrial Conveyor Drives
Worm gear reduction gearbox for light-duty belt conveyors in warehousing, parcel sorting, and electronics assembly — precise speed control at low output RPM.
📦 Packaging & Labelling Lines
Worm gearmotor configuration for label applicators, capping heads, and product-rotation turntables requiring smooth low-speed torque delivery on continuous 16–24-hour production shifts.

🔎 Selection Guide & Shaft Dimensions
- Calculate required output torque: M2 = 9550 x P x efficiency / n2.
- Apply service factor: multiply by fs (Type A=1.0–1.2, B=up to 3, C=up to 10).
- Confirm IEC flange size: 56B14 for micro motors, 63B14/63B5 for 0.12–0.18 kW frames.
- Select output shaft type: hollow bore, DZ solid, or F/FL flange as required.
NMRV030 Output Shaft Dimensions
| 范围 | DZ (Single Shaft) | SZ (Double Shaft) |
|---|---|---|
| G1(毫米) | 63 | 63 |
| K1(毫米) | 64 | 64 |
| L (mm) | 102 | 128 |
| d h6 (mm) | 14 | 14 |
| 键槽 | M6 | M6 |

⚖ NMRV030 vs Cast-Iron Worm Reducers
| Criterion | EP-NMRV030 | 传统铸铁减速器 |
|---|---|---|
| Housing Weight | ~1.4 kg — 60% lighter | ~3.5 kg equivalent |
| Corrosion in Humid Zones | Aluminium oxide + electrostatic paint | Requires repainting every 1–3 years |
| Thermal Conductivity | 237 W/(m·K) — 4x better | 52 W/(m·K) — retains heat |
| Motor Interface | Direct IEC flange — 3 sizes | Belt/chain coupling or custom adaptor |
| 安装灵活性 | 6 positions | 通常为 1-2 个位置 |
| Noise | ≤58 dB(A) | 62–70 dB(A) typical |
❓ Frequently Asked Questions — EP-NMRV030
How does the NMRV030 differ from the NMRV025?
The NMRV030 has a 30 mm centre distance versus 25 mm, delivering 36% higher maximum output torque (1,367 vs 1,006 N·m) and higher input power (0.18 vs 0.06 kW). It also offers three IEC input flange options compared to two on the NMRV025, accepting 63B5/B14 in addition to 56B14.
Can the NMRV030 operate continuously for 24 hours?
Yes, provided rated torque is not exceeded and ambient temperature stays within -10°C to +40°C. Use service factor fs ≥ 1.25 for 24-hour operation. Oil bath lubrication supports continuous duty for up to 10,000 operating hours.
What is the standard output bore diameter?
The NMRV030 standard hollow output bore is 18 mm (H7) with a 5 mm keyway. DZ solid shaft is 14 mm diameter h6 as standard.
Is it suitable for outdoor agricultural use in Australia?
The NMRV030 is rated IP54 and its aluminium housing withstands Australian coastal and rural conditions. IP65 available on request for high-pressure washdown environments.
What lubricant is pre-filled and when should it be changed?
Factory-filled with ISO VG 220 mineral gear oil. First change at 300–500 hours; then every 5,000 hours or annually. Synthetic lubricant extends intervals to 8,000–10,000 hours.
⭐ 用户评价
★★★★★
“We fitted the NMRV030 on our seed-dispenser drive chain. After one full planting season — over 800 hours in dusty paddock conditions — the seals are intact, no oil loss detected, and the unit runs as quietly as day one.”
Brett W. — Equipment Manager, Grain Farm 🇦🇺 Australia (Queensland)
★★★★★
“Our water treatment plant uses six NMRV030 units on slow-moving filter screen drives. The aluminium housing resists the chlorinated atmosphere perfectly — we previously lost cast-iron reducers to corrosion within 18 months.”
Carlos M. — Maintenance Supervisor, Water Utility 🇨🇱 Chile
★★★★☆
“Quick delivery and exact dimensions as per the drawing. We integrated eight NMRV030 units into a packaging turntable system and the line throughput improved noticeably due to consistent low-speed torque delivery.”
Piotr N. — Systems Integrator, Packaging OEM 🇵🇱 Poland
⚙ 配件及相关产品
⚡ 兼容IEC电机
标准单相和三相交流电机,配有匹配的IEC B5/B14法兰。另有适用于变速应用的变频器专用版本可供选择。
🔗 输出轴选项
单端实心 (DZ)、双端 (SZ)、输出法兰 (F)、空心法兰 (FL) — 全部按照 H7/h6 公差制造,并带有标准键槽。
🔨扭力臂和支架
用于轴装式配置的钢制扭矩反作用臂;适用于 B3/B6 方向的可调式底座。可为 OEM 批量订单提供定制支架。
🔒密封和呼吸套件
更换唇形密封件套件、通气塞和磁性放油塞,延长保养周期。

Partner With Ever Power for NMRV030 Supply
Distributor pricing, volume discounts, and OEM custom specifications available. Talk to our engineering team today to confirm the right configuration for your project.
这 EP-NMRV030 aluminium worm gear speed reducer features a 30 mm centre distance, ratios from 5 to 100, input power up to 0.18 kW, and maximum output torque of 1,367 N·m. Its corrosion-resistant aluminium housing, IEC flange compatibility (56B14, 63B14, 63B5), and six mounting orientations make it the go-to compact reducer for conveyor systems, agricultural feeders, and industrial automation across Australia and global markets.


