描述
EPNMRV130 Worm Gearbox — Product Overview
The EPNMRV130 is the flagship single-stage model in the EPNMRV worm gearbox family, delivering rated output torque up to 1,318 Nm from a 130 mm centre distance. With a 48 kg housing, a 1.75″ output bore, and support for NEMA 140TC, 180TC, and 210TC motor flanges, the EPNMRV-130 is built for the unforgiving duty profiles found in Australian cement mills, bulk aggregate plants, port material-handling facilities, large mixer drives, and heavy process-industry applications. Engineers choose the EPNMRV130 over the next-smaller EPNMRV110 whenever output-torque demand exceeds ~900 Nm, when ratios of 40:1 or lower are required with motor power up to 9.2 kW, or when the larger radial-load rating of 12,076 N is needed to support direct-mounted agitator paddles and overhung chain sprockets. Despite its capacity, the die-cast aluminium alloy body keeps total weight dramatically below equivalent cast-iron reducers — a genuine advantage when hoisting gearboxes into elevated silo positions or replacement-swapping in the field.
主要应用重点： cement mill drives and large mixer systems 在 Large-Scale Industrial Processing 澳大利亚工业市场各领域。
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Technical Specifications — EPNMRV130
Dimensional reference and mechanical rating data for the EPNMRV130 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 — EPNMRV130 with standard output flange
| 规格 | 价值 |
|---|---|
| 模型 | EPNMRV130 |
| 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 | 130 mm |
| 重量（不含电机） | 48.0 kg |
| 输出孔（空心） | 1.75″ (H7 tolerance) |
| 输出轴（实心） | 1.75″ keyed |
| 输入轴 | 1.25″ keyed |
| 可用的缩减率 | 7.5, 10, 15, 20, 25, 30, 40:1 |
| 最大额定输出扭矩 | 1318 Nm |
| 最大输入功率 | 9.2 kW @ 1400 rpm |
| 最大径向载荷 (Fr2) | 12076 N |
| NEMA 输入法兰选项 | 140TC、180TC、210TC |
| 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 EPNMRV130
Every feature of the EPNMRV130 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.
Flagship 1,318 Nm Output Torque
The highest torque rating in the single-stage EPNMRV family — engineered for cement mill drives, large silo agitators, and heavy port material-handling systems across Australian bulk terminals.
12,076 N Maximum Radial Load
Carries the overhung loads from direct-mounted large-diameter chain sprockets and agitator paddles common in cement, bauxite, and alumina plants.
Large-Frame Motor Compatibility
140TC / 180TC / 210TC NEMA flanges support motor powers up to 9.2 kW — enough to drive the EPNMRV130 at its maximum rated torque in continuous duty.
High Thermal Capacity
4.2-litre oil reservoir combined with extensive external finning allows sustained high-torque operation in 50 °C-plus ambient environments found in covered cement plants.
Heavy-Duty Industrial Enclosure
The EPNMRV-130 housing is built to withstand the mechanical abuse of dropped loads, fastener over-torque during maintenance, and thermal cycling between plant shutdowns.
Versatile Ratio Coverage
Seven ratios from 7.5:1 to 40:1 give plant engineers precise speed control for kiln feed conveyors, mill discharge augers, and large-batch mixer drives.
Every EPNMRV130 unit is machined, assembled and factory-tested before shipment
Industry Applications — Where the EPNMRV130 Excels
The EPNMRV130 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.
采矿与矿物加工
The EPNMRV130 is the reducer of choice for cement-mill feed conveyors, large bauxite silo agitators, and heavy port material-handling drives across Australian bulk terminals in the Pilbara, Gladstone, and Port Kembla. Rated at 1,318 Nm, it excels as a high-capacity worm gearbox for heavy industrial applications.
重型物料搬运与物流
Large port-side reclaimer travel drives, heavy-capacity stacker-reclaimer luffing systems, and long-haul conveyor drives at Australian coal and iron-ore terminals specify the EPNMRV-130 for its high torque density.
环境与水处理
Very large municipal clarifier centre drives, heavy-duty digester mixer reducers, and large-capacity sludge belt-press pinch rollers use the EPNMRV130 where motor powers to 9.2 kW are needed.
食品饮料加工
Industrial-scale dough-mixer drives, large-capacity meat-processing conveyor mains reducers, and multi-lane bottling-plant depalletiser drives use the EPNMRV-130 in heavy food-processing environments.
农业和初级生产
Cotton-gin main drives, large-scale grain-silo discharge auger reducers, and sugar-mill juice-extraction roller drives in Queensland cane regions specify the EPNMRV130 where the EPNMRV-110 torque envelope becomes marginal.
选购指南及对比
Sizing the EPNMRV130 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 EPNMRV130:
- 确定所需的输出速度（n2） — this determines your reduction ratio (i). The EPNMRV130 offers ratios from 7.5:1 to 40:1.
- 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 12076 N measured at the shaft midpoint for the EPNMRV130.
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 EPNMRV130 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。
EPNMRV130 (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 | EPNMRV130 Aluminium | 传统铸铁 |
|---|---|---|
| 重量（等效尺寸） | 48.0 kg | ~134.4 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 — EPNMRV130
Answers to the questions most commonly raised by Australian engineers and procurement buyers specifying the EPNMRV130 worm gearbox.
❓ What motor power does the EPNMRV130 require at 40:1 ratio?
At 40:1 and 1400 rpm input, the EPNMRV-130 operates efficiently with motors from 1.5 kW up to 7.5 kW, depending on service factor requirements. At the flagship 1,318 Nm rated torque, motor input is typically 7.5 kW with a 1.0 service factor. Consult our catalogue curves for each specific ratio.
❓ Can the EPNMRV130 drive a large cement-mill feed conveyor?
Yes — the EPNMRV-130 is specifically sized for this application class. With 1,318 Nm continuous output torque and 12,076 N radial-load capacity at the output shaft, it comfortably drives feed conveyors up to 800 tonnes/hour capacity on cement-mill applications common in Australian cement plants.
❓ What ambient temperature range does the EPNMRV-130 support?
Standard configuration supports -10 °C to +40 °C. For Australian cement-plant or bulk-terminal applications where ambient routinely exceeds 45 °C during summer, specify the heavy-duty synthetic oil upgrade plus optional forced-air cooling. This maintains catalogue rating up to 55 °C ambient.
❓ Is the EPNMRV130 certified to any specific industrial standard?
The EPNMRV-130 is manufactured to an ISO 9001 quality system and tested against IEC 60034 mechanical ratings. The aluminium housing conforms to AS/NZS 4680 alloy specification. For specific application-code certifications (ATEX, IECEx, CE), specify requirements at order — these require a certified variant, not the standard catalogue unit.
❓ How is the EPNMRV-130 installed given its 48 kg weight?
At 48 kg installed weight, the EPNMRV130 requires mechanical lifting for installation. The housing has two lifting-eye provisions (M12) which should be used with certified lifting slings. Do not lift via the motor flange or output shaft. We supply a site-installation procedure as part of the commissioning documentation.
❓ Can the EPNMRV130 be specified with a custom output shaft?
Yes — custom output-shaft extensions, splined shafts, and non-standard keyways are available as a factory-modification option. Minimum quantities apply for non-catalogue shaft variants; specify the required shaft drawing at the RFQ stage. Standard 1.75″ keyed shaft remains our fastest-delivery option.
