描述
EPNMRV050 Worm Gearbox — Product Overview
With a 50 mm centre distance, 3.5 kg aluminium housing, and rated output torque reaching 100 Nm, the EPNMRV050 worm gearbox is built for the real-world demands of Australian agriculture and primary production. Engineers specifying the EPNMRV-050 typically deploy it in livestock feeding augers, dairy parlour sweep systems, orchard spray-cart drives, grain silo unloaders, and solar-tracker azimuth drives — applications that punish gearboxes with dust, temperature swings, and duty cycles no catalogue curve ever anticipated. Positioned between the lighter-duty EPNMRV040 and the higher-torque EPNMRV063, the EPNMRV050 offers a 1″ output bore, twelve standard ratios from 5:1 to 100:1, and a 4,280 N radial-load capacity. The die-cast aluminium casing not only sheds heat more efficiently than cast iron but also resists the salt-laden winds found across Australia’s coastal grazing country.
主要应用重点： livestock feeding systems and irrigation drive units 在 Agriculture & Irrigation 澳大利亚工业市场各领域。
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Technical Specifications — EPNMRV050
Dimensional reference and mechanical rating data for the EPNMRV050 worm gearbox. Refer to the dimensional drawing below for full installation dimensions; all measurements are nominal and confirmed to our factory QA drawings.
Fig. Dimensional drawing — EPNMRV050 with standard output flange
| 规格 | 价值 |
|---|---|
| 模型 | EPNMRV050 |
| 产品系列 | EPNMRV 单级蜗轮减速机 |
| 房屋材料 | 压铸铝合金（ADC12） |
| 中心距离 | 50 mm |
| 重量（不含电机） | 3.5 kg |
| 输出孔（空心） | 1.0″ (H7 tolerance) |
| 输出轴（实心） | 1.0″ keyed |
| 输入轴 | 0.625″ keyed |
| 可用的缩减率 | 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100:1 |
| 最大额定输出扭矩 | 100 Nm |
| 最大输入功率 | 0.75 kW @ 1400 rpm |
| 最大径向载荷 (Fr2) | 4280 N |
| NEMA 输入法兰选项 | 56C |
| 安装位置 | B3 / B6 / B7 / B8 / V5 / V6 |
| 蜗杆轴材料 | 表面硬化20CrMnTi合金钢，磨削 |
| 蜗轮材料 | 锡青铜 CuSn12 离心铸造 |
| 润滑 | 合成 PAG 齿轮油（ISO VG 320 标准） |
| 防护等级 | IP55等效 |
| 环境温度范围 | -10 °C 至 +40 °C（扩展范围可选） |
| 输出法兰选项 | FA / FB / FC / FD（模型相关） |
| 轴配置 | 空心/单实心/双实心 |
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Core Features & Benefits of the EPNMRV050
Every feature of the EPNMRV050 worm gearbox has been engineered to address the specific demands of Australian industrial operators — from coastal humidity and inland dust through to continuous-duty thermal loads.
Superior Heat Dissipation
The cast aluminium body sheds heat 3-4× faster than cast iron, letting the EPNMRV050 run continuous-duty in the 40 °C-plus ambient temperatures found in Western Australian wheat-belt silos and Northern Territory cattle stations.
Dust & Water Ingress Protection
Sealed output and input shafts with double V-ring protection stop feedlot dust, orchard spray runoff, and windblown grain chaff from reaching the worm gear set.
100 Nm Continuous Output
Sufficient torque for 6-metre feeding augers, dairy sweep systems, and 200-panel solar-tracker azimuth drives — all without oversizing on motor power.
Twelve-Ratio Flexibility
Full 5:1 to 100:1 ratio coverage means a single EPNMRV-050 SKU can serve anything from high-speed bin agitators down to slow-rotating irrigation pivot gearheads.
NEMA 56C Flange Standard
Directly accepts 0.37 kW to 0.75 kW three-phase motors supplied by most Australian rural electrical wholesalers — eliminating adapter-ring lead times.
Large 4,280 N Radial Load Capacity
Supports overhung loads from chain sprockets on manure scrapers, silo sweep arms, and irrigation-boom drives without the need for separate bearing blocks.
Every EPNMRV050 unit is machined, assembled and factory-tested before shipment
Industry Applications — Where the EPNMRV050 Excels
The EPNMRV050 worm gearbox has been specified into thousands of Australian installations across these five primary industry segments. Each application below is drawn from real project experience — not theoretical catalogue duty.
农业和初级生产
The EPNMRV050 is a mainstay on Australian cattle-feed auger systems, dairy-shed sweep arms, solar-tracker azimuth drives, and grain silo unloaders. Its superior heat dissipation makes it the right choice as a heat-resistant worm gearbox for agricultural machinery running long continuous-duty cycles.
环境与水处理
Mid-scale screen-rake drives, sludge-dewatering belt reducers, and chemical-dosing metering-pump reducers in regional wastewater facilities use the EPNMRV-050 for its combination of torque, radial-load capacity, and corrosion resistance.
食品饮料加工
Larger bottling conveyors, bakery spiral-dough mixers, and multi-head weigh-filler turret drives specify the EPNMRV050 when the EPNMRV-040’s torque envelope becomes marginal but a full heavy-duty unit would be overkill.
物料搬运与物流
Case sealers, pallet-handling lift-table drives, and warehouse drum-tipper actuators all fit within the EPNMRV-050’s 100 Nm rated band.
采矿与矿物加工
Small sample-prep ball-mill drives, pilot-plant flotation-cell agitators, and drill-rig auxiliary hoists use the EPNMRV050 where the larger EPNMRV063 would be over-specified.
选购指南及对比
Sizing the EPNMRV050 for Your Application
正确的尺寸选择始于两个核心参数：必需参数 输出扭矩（M2） 和要求 输入功率（P1）. Follow this three-step process when selecting the EPNMRV050:
- 确定所需的输出速度（n2） — this determines your reduction ratio (i). The EPNMRV050 offers ratios from 5:1 to 100:1.
- 利用使用系数计算所需扭矩 — 将理论扭矩乘以适当的使用系数（稳定工作时为 1.0，冲击载荷时为 1.5–2.0，反转工作时为 2.0–2.5）。
- 验证输出轴的径向承载能力 — overhung sprocket or pulley loads must not exceed 4280 N measured at the shaft midpoint for the EPNMRV050.
请联系我们的工程部门 sales@nmrv-gearbox.xyz 提供您的应用程序参数，即可免费进行尺寸验证。
安装位置参考（B3 / B6 / B7 / B8 / V5 / V6）
The EPNMRV050 supports six standard mounting orientations. Each orientation affects the required lubrication charge and plug positioning — specify the correct orientation at time of order:
| 位置 | 方向 | 典型油压 |
|---|---|---|
| B3 | 水平轴，底座安装（标准） | 标准储气罐填充 |
| B6 | 水平轴，左侧壁挂式 | 标准储气罐填充 |
| B7 | 水平轴，右侧壁挂式 | 标准储气罐填充 |
| B8 | 水平轴，底座倒置 | 标准 + 10% 填充 |
| V5 | 垂直轴向下 | 填充量增加（+25%） |
| V6 | 垂直轴向上 | 填充量增加（+25%） |
对于给定的安装方向，不正确的注油是导致蜗轮在最初 1000 个使用小时内过早磨损的主要原因——在订购时正确指定注油量以避免这种情况。
EPNMRV050 (Aluminium) vs Traditional Cast-Iron Worm Reducers
澳大利亚买家始终选择铝制蜗杆减速器而不是铸铁传统减速器，原因有五点可以量化：
| 属性 | EPNMRV050 Aluminium | 传统铸铁 |
|---|---|---|
| 重量（等效尺寸） | 3.5 kg | ~9.8 kg (approx 2.5–3× heavier) |
| 耐腐蚀性 | 极佳——铝形成钝化氧化层 | 需要定期进行油漆维护 |
| 散热 | 导热系数提高 3-4 倍 | 局限性——仅依赖于表面积 |
| 安装搬运 | 许多情况下可由一人安装 | 即使是小型设备，通常也需要搬运辅助工具。 |
| 运费 | 降低——减少空运重量 | 单价空运费用上涨 |
| 价格点 | 通常比铸铁低 15–30% | 高级传统定价 |
Frequently Asked Questions — EPNMRV050
Answers to the questions most commonly raised by Australian engineers and procurement buyers specifying the EPNMRV050 worm gearbox.
❓ How does the EPNMRV050 handle dusty agricultural environments?
The EPNMRV-050 is supplied with double V-ring seals at both input and output shaft positions. For severe dust — cotton gins, wheat silos, cattle feedlots — we recommend specifying the optional labyrinth-seal upgrade plus a dust cover on the output shaft end. This is a no-cost factory option when specified at time of order.
❓ Can the EPNMRV-050 drive a solar-tracker azimuth axis?
Yes. Solar-tracker azimuth drives typically require 20–80 Nm of continuous torque with occasional wind-gust shock loads up to 3× rated — well within the EPNMRV050 envelope when sized with a 1.5× service factor. Choose a 60:1 or 80:1 ratio for smooth tracker motion at typical azimuth rates of 0.1–0.5 rpm.
❓ What ambient temperature range does the EPNMRV050 support?
Standard factory configuration supports -10 °C to +40 °C continuous ambient. For Australian wheat-belt installations routinely exceeding 45 °C, the aluminium body sheds heat well enough to continue operation with a 10% derate. For sustained operation above 50 °C, specify the heavy-duty synthetic oil upgrade.
❓ How is the EPNMRV-050 mounted on a livestock feeding auger?
Typically the EPNMRV050 is specified with an FA output flange, mounted directly to the auger gearbox shaft through a flexible coupling. Mounting orientation is usually B3 or V5 depending on auger angle. Our engineering team can provide a dimensional drawing with the specific flange and shaft combination matched to your auger OEM data.
❓ What is the expected lifetime of the worm wheel in continuous duty?
Under rated-torque continuous duty with proper lubrication, expect 20,000–30,000 service hours before worm wheel wear becomes noticeable as backlash drift. Shock-loaded duty — such as chicken-house feed-chain drives — may see 15,000–20,000 hours. Our tin-bronze wheel is replaceable through the output flange without gearbox return to factory.
❓ Is the EPNMRV050 reversible-duty rated?
Yes. The EPNMRV-050 tolerates frequent direction reversal typical of dairy-parlour sweep systems and bi-directional conveyors, provided the reversal cycle stays below 15 changes per minute. Higher reversal rates require a specific review of worm-wheel wear duty — contact our engineering team for a case-specific recommendation.
Customer Reviews & Case Studies
Real-world feedback from engineers, plant managers, and system integrators worldwide who have specified the EPNMRV050 into demanding applications. Average rating: 4.9 / 5 from 5 verified customer accounts.
“Running the EPNMRV050 on feed-out augers at our Northern Territory station — 45 °C ambient days and red dust everywhere. The aluminium body sheds heat properly and the sealed shaft keeps the dust out. Zero issues over a full summer season.”
“Supplied EPNMRV-050 units to several Canterbury dairies for sweep-arm drives. The extra radial-load rating over the smaller 040 means we can couple directly to the sweep-chain sprocket without intermediate bearings. Installation time halved.”
“Used on solar-tracker azimuth drives for a 200-panel commercial installation. Smooth motion at 0.3 rpm output, zero backlash drift measured at 6-month inspection. Absolutely the right choice for precision low-speed drive.”
“Fitted the EPNMRV050 on grape-sorting conveyor drives for Colchagua Valley wineries. Handles the intermittent seasonal duty cycle without complaint, and the sealed construction keeps grape juice splash out of the gearbox internals.”
“Using the EPNMRV-050 in large commercial poultry sheds for feed-chain drives. The heat dissipation is excellent — critical in our tropical ambient conditions. Downtime for gearbox issues has dropped to almost zero since we standardised on this model.”
Related Products, Motors & Accessories
Related Products in the EPNMRV Worm Gearbox Family
EPNMRV040 蜗轮减速机
Smaller capacity alternative with up to 47 Nm output torque — ideal when application demands fall below the EPNMRV050 envelope.
EPNMRV063 蜗轮减速机
Higher capacity step-up with 225 Nm rated torque — the right choice when your duty cycle exceeds the EPNMRV050 continuous rating.
EPNMRV Combined Series
Two-stage combined reducers using the EPNMRV050 as the output stage with pre-stage reduction — required for ratios above 100:1 or ultra-low output speeds.
Compatible Electric Motors
The EPNMRV050 accepts IEC B5/B14 flange-mount motors as well as NEMA 56C frame motors. Both single-phase and three-phase AC motors can be fitted:
- ⚡ IEC single-phase AC motors (240 V, 50 Hz, capacitor-start/run) for residential and light-commercial service
- ⚡ IEC three-phase AC motors (415 V, 50 Hz, standard efficiency IE1 / IE2 / IE3) for industrial duty
- ⚡ NEMA 56C three-phase motors sized between 0.19 kW and 0.75 kW
- ⚡ DC permanent-magnet motors with flange-adapter kit (IEC 63B14 or 71B14)
- ⚡ Servo motors through custom input-cartridge adapter (contact engineering for pre-sales verification)
Available Accessories & Options
Partner With Us — Distribution & OEM Opportunities
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Email: sales@nmrv-gearbox.xyz · Engineering support for sizing, selection, and OEM design-in across the EPNMRV range.
