{"id":1884,"date":"2026-04-22T09:00:42","date_gmt":"2026-04-22T09:00:42","guid":{"rendered":"https:\/\/nmrv-gearbox.xyz\/product\/epnmrv040-110-combined-two-stage-worm-gearbox\/"},"modified":"2026-04-22T09:15:36","modified_gmt":"2026-04-22T09:15:36","slug":"epnmrv040-110-combined-two-stage-worm-gearbox","status":"publish","type":"product","link":"https:\/\/nmrv-gearbox.xyz\/it\/product\/epnmrv040-110-combined-two-stage-worm-gearbox\/","title":{"rendered":"Riduttore a vite senza fine combinato a due stadi EPNMRV040\/110"},"content":{"rendered":"<style>.eg-prod{font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;color:#2b2b2b;line-height:1.65;}.eg-prod *,.eg-prod *::before,.eg-prod *::after{box-sizing:border-box;}.eg-prod h2{color:#0066CC;font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.25;margin:0 0 18px 0;}.eg-prod h3{color:#0066CC;font-size:clamp(19px,2.2vw,22px);font-weight:700;margin:0 0 10px 0;}.eg-prod h4{color:#003a7a;font-size:16px;font-weight:700;margin:0 0 8px 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#0066CC;}.eg-prod__feat h4{margin-bottom:6px;font-size:15px;}.eg-prod__feat p{font-size:14px;margin:0;color:#444;}.eg-prod__app-row{display:grid;grid-template-columns:1fr 1.4fr;gap:22px;margin:18px 0;align-items:start;}.eg-prod__app-row img{width:100%;border-radius:6px;display:block;background:#F1F1F1;aspect-ratio:4\/3;object-fit:cover;}.eg-prod__app-row:nth-child(even){grid-template-columns:1.4fr 1fr;}.eg-prod__app-row:nth-child(even) .eg-prod__app-body{order:1;}.eg-prod__app-row:nth-child(even) .eg-prod__app-media{order:2;}.eg-prod__app-body h3{margin-bottom:8px;}.eg-prod__sel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px;}.eg-prod__sel{background:#FFFFFF;border:1px solid #e6e9ef;border-radius:6px;padding:18px 20px;border-top:3px solid #0066CC;}.eg-prod__sel h4{margin-bottom:6px;font-size:15px;color:#0066CC;}.eg-prod__sel p{margin:0;font-size:13.5px;color:#444;}.eg-prod__faq-item{background:#F8F9FA;border-radius:6px;padding:16px 20px;margin-bottom:10px;border-left:3px solid #0066CC;}.eg-prod__faq-item h4{margin-bottom:6px;color:#0066CC;font-size:15px;}.eg-prod__faq-item p{margin:0;font-size:14.5px;color:#333;}.eg-prod__review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px;}.eg-prod__review{background:#FFFFFF;border:1px solid #e6e9ef;border-radius:6px;padding:18px 20px;}.eg-prod__review-meta{display:flex;justify-content:space-between;gap:10px;margin-bottom:10px;flex-wrap:wrap;align-items:center;}.eg-prod__review-name{font-weight:700;color:#0066CC;font-size:14px;}.eg-prod__review-role{font-size:12px;color:#666;}.eg-prod__review-stars{color:#ffb400;font-size:13px;letter-spacing:1px;}.eg-prod__review-text{font-size:13.5px;color:#333;margin:0;line-height:1.55;}.eg-prod__related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px;}.eg-prod__related{background:#F8F9FA;border:1px solid #e6e9ef;border-radius:6px;padding:16px 18px;transition:border-color 0.2s ease;}.eg-prod__related:hover{border-color:#0066CC;}.eg-prod__related h4{margin-bottom:6px;font-size:14px;color:#0066CC;}.eg-prod__related p{margin:0 0 8px 0;font-size:13px;color:#444;}.eg-prod__related a{font-weight:700;font-size:13px;}.eg-prod__cta-final{background:linear-gradient(135deg,#0066CC 0%,#2E5BFF 100%);color:#FFFFFF;padding:32px 28px;border-radius:8px;margin-top:24px;text-align:center;}.eg-prod__cta-final h3{color:#FFFFFF;margin-bottom:10px;}.eg-prod__cta-final p{color:#e4ecf5;font-size:15px;margin-bottom:18px;max-width:600px;margin-left:auto;margin-right:auto;}.eg-prod__cta-final a.eg-prod__cta-btn,.eg-prod__cta-final .eg-prod__cta-btn{display:inline-block;background:#FFFFFF !important;color:#0066CC !important;border:2px solid #FFFFFF !important;border-radius:4px;padding:12px 26px;font-weight:700;font-size:14px;text-decoration:none !important;border-bottom:2px solid #FFFFFF !important;letter-spacing:0.3px;transition:background 0.2s ease,color 0.2s ease,transform 0.2s ease;}.eg-prod__cta-final a.eg-prod__cta-btn:hover,.eg-prod__cta-final .eg-prod__cta-btn:hover{background:#2E5BFF !important;color:#FFFFFF !important;border-color:#2E5BFF !important;transform:translateY(-2px);}@media (max-width:1024px){.eg-prod__feat-grid,.eg-prod__review-grid{grid-template-columns:1fr;}.eg-prod__sel-grid,.eg-prod__related-grid{grid-template-columns:1fr 1fr;}.eg-prod__kpi-row{grid-template-columns:1fr 1fr;}.eg-prod__app-row,.eg-prod__app-row:nth-child(even){grid-template-columns:1fr;}.eg-prod__app-row:nth-child(even) .eg-prod__app-body,.eg-prod__app-row:nth-child(even) .eg-prod__app-media{order:initial;}}@media (max-width:640px){.eg-prod__sel-grid,.eg-prod__related-grid,.eg-prod__kpi-row{grid-template-columns:1fr;}}<\/style>\n<div class='eg-prod'>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Product Overview<\/span><\/p>\n<h2>Riduttore a vite senza fine combinato a due stadi EPNMRV040\/110<\/h2>\n<p>The EPNMRV040\/110 steps the main stage up to a 110 mm centre distance while retaining the compact 40 mm pre-stage, delivering 855 Nm rated output torque through combined ratios from 100:1 up to 10,000:1. This frame targets heavy-duty mixers at cement-batching skids, tailings-thickener rake drives at Australian mining operations, and large slow-sweep agitators at bulk-chemical terminals. The 19.4 kg envelope remains substantially lighter than the cast-iron equivalents it replaces, simplifying crane handling during scheduled shutdown retrofit work.<\/p>\n<div class='eg-prod__kpi-row'>\n<div class='eg-prod__kpi'>\n<div class='eg-prod__kpi-num'>855 Nm<\/div>\n<div class='eg-prod__kpi-lbl'>Rated Output Torque<\/div>\n<\/div>\n<div class='eg-prod__kpi'>\n<div class='eg-prod__kpi-num'>100:1 &#8211; 10000:1<\/div>\n<div class='eg-prod__kpi-lbl'>Combined Ratio Range<\/div>\n<\/div>\n<div class='eg-prod__kpi'>\n<div class='eg-prod__kpi-num'>1.1 kW<\/div>\n<div class='eg-prod__kpi-lbl'>Pre-Stage Input Max<\/div>\n<\/div>\n<div class='eg-prod__kpi'>\n<div class='eg-prod__kpi-num'>19.4 kg<\/div>\n<div class='eg-prod__kpi-lbl'>Assembled Weight<\/div>\n<\/div>\n<\/div>\n<p><img class='eg-prod__hero-img' src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/nmrv-combined-two-stage-worm-gearbox.webp' alt='EPNMRV040\/110 combined two-stage worm gearbox with aluminium housing' \/><\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Technical Specifications<\/span><\/p>\n<h2>EPNMRV040\/110 Specifications<\/h2>\n<p>Full technical data for the EPNMRV040\/110 combined two-stage worm gearbox. Verified at end-of-line test and retained on serial-number record for five years. Values represent the rated envelope for catalogue-standard configurations &#8211; non-standard shaft modifications and mounting variations are available on request through our engineering desk.<\/p>\n<table class='eg-prod__spec-table'>\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Model designation<\/td>\n<td>EPNMRV040\/110<\/td>\n<\/tr>\n<tr>\n<td>Configuration<\/td>\n<td>Combined two-stage worm reducer (pre-stage + main stage, factory-paired)<\/td>\n<\/tr>\n<tr>\n<td>Distanza dal centro<\/td>\n<td>40 + 110 mm<\/td>\n<\/tr>\n<tr>\n<td>Rated output torque<\/td>\n<td>855 Nm<\/td>\n<\/tr>\n<tr>\n<td>Combined ratio range<\/td>\n<td>100:1 to 10000:1<\/td>\n<\/tr>\n<tr>\n<td>Output shaft speed (4-pole 1,400 rpm input)<\/td>\n<td>0.14 &#8211; 14.0 rpm<\/td>\n<\/tr>\n<tr>\n<td>Pre-stage input power (max)<\/td>\n<td>1.1 kW<\/td>\n<\/tr>\n<tr>\n<td>Output bore (hollow shaft)<\/td>\n<td>42 mm<\/td>\n<\/tr>\n<tr>\n<td>Output shaft diameter (solid shaft)<\/td>\n<td>42 mm<\/td>\n<\/tr>\n<tr>\n<td>Output radial load capacity<\/td>\n<td>7920 N<\/td>\n<\/tr>\n<tr>\n<td>Motor flange &#8211; NEMA<\/td>\n<td>140TC \/ 180TC<\/td>\n<\/tr>\n<tr>\n<td>Motor flange &#8211; IEC<\/td>\n<td>B5 \/ B14 (pre-stage)<\/td>\n<\/tr>\n<tr>\n<td>Housing material<\/td>\n<td>ADC12 die-cast aluminium alloy<\/td>\n<\/tr>\n<tr>\n<td>Worm shaft material<\/td>\n<td>20CrMnTi case-hardened alloy steel, ground ISO-grade 6<\/td>\n<\/tr>\n<tr>\n<td>Worm wheel material<\/td>\n<td>CuSn12 tin-bronze centrifugal casting<\/td>\n<\/tr>\n<tr>\n<td>Lubricant<\/td>\n<td>Synthetic PAG ISO VG 320 (factory fill)<\/td>\n<\/tr>\n<tr>\n<td>Shaft seals<\/td>\n<td>Viton (FKM) double-lip seals<\/td>\n<\/tr>\n<tr>\n<td>Ingress protection<\/td>\n<td>IP55 (labyrinth upgrade available)<\/td>\n<\/tr>\n<tr>\n<td>Mounting positions<\/td>\n<td>B3, B6, B7, B8, V5, V6<\/td>\n<\/tr>\n<tr>\n<td>Assembled weight<\/td>\n<td>19.4 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><script type='application\/ld+json'>{\n    \"@context\": \"https:\\\/\\\/schema.org\\\/\",\n    \"@type\": \"Product\",\n    \"name\": \"EPNMRV040\\\/110 Combined Two-Stage Worm Gearbox\",\n    \"description\": \"Factory-paired combined two-stage worm gearbox rated for 855 Nm output torque with combined ratios from 100:1 to 10000:1. Aluminium-housed, IP55 sealed, designed for Australian industrial conditions.\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"Ever-power\"\n    },\n    \"manufacturer\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Ever-power Australia Gearbox\"\n    },\n    \"sku\": \"EPNMRV040-110\",\n    \"mpn\": \"EPNMRV040-110\",\n    \"image\": \"https:\\\/\\\/nmrv-gearbox.xyz\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/nmrv-combined-two-stage-worm-gearbox.webp\",\n    \"category\": \"Combined Two-Stage Worm Gearboxes\",\n    \"offers\": {\n        \"@type\": \"Offer\",\n        \"availability\": \"https:\\\/\\\/schema.org\\\/InStock\",\n        \"priceCurrency\": \"AUD\",\n        \"url\": \"https:\\\/\\\/nmrv-gearbox.xyz\\\/product\\\/epnmrv040-110\\\/\",\n        \"seller\": {\n            \"@type\": \"Organization\",\n            \"name\": \"Ever-power Australia Gearbox\"\n        }\n    }\n}<\/script><\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Key Features<\/span><\/p>\n<h2>Engineering Features of the EPNMRV040\/110<\/h2>\n<p>Six core design decisions that distinguish the EPNMRV040\/110 from generic imported two-stage reducers. Every feature below is traceable to a real Australian operating constraint rather than a marketing abstraction.<\/p>\n<div class='eg-prod__feat-grid'>\n<div class='eg-prod__feat'>\n<h4>Viton Double-Lip Shaft Seals<\/h4>\n<p>Viton (FKM) double-lip seals at both the input shaft of the pre-stage and the output shaft of the main stage. Temperature rating to 200 &deg;C continuous. Nitrile alternatives would harden and crack at Australian summer ambient inside enclosed packaging cabinets.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>IP55 Sealed Housing<\/h4>\n<p>Standard IP55 ingress-protection rating across both stages. Labyrinth-seal output-shaft upgrade available for dust-intensive service in Pilbara mining and wheat-belt grain-handling applications. Pressure-equalising breather plug prevents internal pressure build-up during thermal cycling.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Dual Pre-Stage and Main-Stage Efficiency<\/h4>\n<p>Mechanical efficiency across the combined drive train is typically 50 to 70 percent depending on combined ratio, in line with industry norms for two-stage worm construction. Actual efficiency at operating point is calculated and reported in our sizing worksheet.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Low-Speed Service-Factor Rating<\/h4>\n<p>Service factors are re-verified for the combined drive train. Rated output torque holds under continuous duty at very low output speeds where single-stage ratings may require derating for heat-soak reasons.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>IEC and NEMA Motor Flanges<\/h4>\n<p>Pre-stage motor interface accepts IEC B5 or B14 flange-mount motors, or NEMA 56C\/140TC\/180TC\/210TC flange-mount motors depending on the pre-stage frame size. Dual-standard compatibility simplifies sourcing for Australian customers.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Six Standard Mounting Orientations<\/h4>\n<p>Factory supports B3, B6, B7, B8, V5 and V6 mounting positions. Oil fill volume is calibrated at the factory to the declared mounting orientation. Vertical mounts (V5\/V6) receive additional oil volume to ensure both worm wheels remain properly submerged.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Applications<\/span><\/p>\n<h2>Typical EPNMRV040\/110 Applications Across Australia<\/h2>\n<p>The EPNMRV040\/110 is specified into five primary Australian industry sectors. The descriptions below reflect real deployments rather than catalogue theory, drawn from field installations where output shaft speeds below 14 rpm are required continuously.<\/p>\n<div class='eg-prod__app-row'>\n<div class='eg-prod__app-media'><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/mining-minerals-processing-application.webp' alt='EPNMRV040\/110 in Mining and Minerals Processing service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Mining &amp; Minerals Processing<\/h3>\n<p>In mining and minerals-processing service, the EPNMRV040\/110 powers tailings-thickener rake drives, sample-preparation ball-mill auxiliary reducers and conveyor tensioning drives at Pilbara iron-ore and Kalgoorlie gold operations. The labyrinth-seal output-shaft upgrade is recommended for red-dust Pilbara conditions, and marine-grade paint is specified for coastal bulk-terminal installations. Rated output torque of 855 Nm with the combined-ratio range covering 100:1 to 10,000:1 addresses the ultra-low-speed rake and thickener drives typical of Australian tailings dams.<\/p>\n<\/div>\n<\/div>\n<div class='eg-prod__app-row'>\n<div class='eg-prod__app-media'><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/material-handling-logistics-application.webp' alt='EPNMRV040\/110 in Material Handling and Logistics service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Material Handling &amp; Logistics<\/h3>\n<p>In material handling and logistics service, the EPNMRV040\/110 drives pallet-transfer accumulators, slow-indexing crate conveyors and bulk-terminal bucket-elevator auxiliary drives where output shaft speeds below 3 rpm are required. The combined two-stage construction reaches these low speeds directly from a standard four-pole motor input without requiring a chain reduction in the driveline, eliminating a wear component common on Australian packaging-hall conveyors. Typical deployments are seen at Western Sydney and Melbourne distribution centres running 24\/7 three-shift operations.<\/p>\n<\/div>\n<\/div>\n<div class='eg-prod__app-row'>\n<div class='eg-prod__app-media'><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/food-beverage-packaging-application.webp' alt='EPNMRV040\/110 in Food and Beverage Processing service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Food &amp; Beverage Processing<\/h3>\n<p>For food and beverage processing duty, the EPNMRV040\/110 powers spiral-freezer tensioners, CIP-tolerant agitator reducers and slow-index bottling-line accumulators at Australian dairies and craft breweries. The aluminium-housed body handles repeated caustic washdown exposure without corrosion bloom, and factory-fill with food-grade H1 synthetic lubricant is available on request. Output speeds below 1 rpm are commonly specified for mixer and blender reducers where batch homogenisation time must be precisely controlled across multi-hour production cycles.<\/p>\n<\/div>\n<\/div>\n<div class='eg-prod__app-row'>\n<div class='eg-prod__app-media'><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/environmental-water-treatment-application.webp' alt='EPNMRV040\/110 in Environmental and Water Treatment service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Environmental &amp; Water Treatment<\/h3>\n<p>In environmental and water-treatment service, the EPNMRV040\/110 drives clarifier centre-rake reducers, flocculator agitators and sludge-dewatering belt-press slow drives at municipal and private plants across regional NSW, Victoria and Queensland. The viton lip-seal package handles chlorinated and caustic splash common around chemical-dosing skids, and the IP55 housing tolerates outdoor open-tank installation through Australian wet-season conditions. Output torque of 855 Nm is well matched to typical rake-drive and thickener duty cycles.<\/p>\n<\/div>\n<\/div>\n<div class='eg-prod__app-row'>\n<div class='eg-prod__app-media'><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/agriculture-application.webp' alt='EPNMRV040\/110 in Agriculture and Primary Production service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Agriculture &amp; Primary Production<\/h3>\n<p>For agricultural and primary-production applications, the EPNMRV040\/110 drives livestock feeding augers, dairy-shed sweep-arm reducers and solar-tracker azimuth drives on NT, Queensland and WA rural holdings. The aluminium housing dissipates heat effectively in 45 &deg;C ambient on exposed cattle-station feed-pad installations, and the combined ratio range supports the ultra-low output speeds required for solar-panel tracking motion across a daylight cycle. Synthetic PAG lubricant maintains film integrity through the diurnal thermal swing.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Selection Guide<\/span><\/p>\n<h2>How to Specify the EPNMRV040\/110 Correctly<\/h2>\n<p>A combined two-stage worm gearbox is specified when output rpm requirements fall below the practical range of a single-stage NMRV reducer. Three checks matter most: required output torque, required output speed (which sets the combined ratio), and the duty service factor. Our engineering desk verifies all three from customer-supplied duty data before issuing a recommendation.<\/p>\n<div class='eg-prod__sel-grid'>\n<div class='eg-prod__sel'>\n<h4>1. Confirm Output Torque<\/h4>\n<p>Target output torque must be within the 855 Nm rating of the EPNMRV040\/110. Apply an appropriate service factor for the duty class (1.0 uniform \/ 1.25 moderate shock \/ 1.5 heavy shock) on top of the nominal load torque.<\/p>\n<\/div>\n<div class='eg-prod__sel'>\n<h4>2. Set Combined Ratio<\/h4>\n<p>Required output rpm at the driven load determines the combined ratio selection. Combined ratios available range from 100:1 to 10000:1 through different pre-stage and main-stage ratio pairings. Specify target output rpm to our engineering desk for a ratio match.<\/p>\n<\/div>\n<div class='eg-prod__sel'>\n<h4>3. Check Motor Power<\/h4>\n<p>Pre-stage motor input capacity is 1.1 kW maximum. Actual motor selection is driven by the operating output torque and rpm, not the catalogue maximum. Our sizing worksheet confirms motor-reducer compatibility.<\/p>\n<\/div>\n<\/div>\n<p><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/nmrv-gearbox-facilities-1.webp' alt='EPNMRV040\/110 reference structure and internal arrangement' style='width:100%;max-width:680px;margin:22px auto 0 auto;display:block;border-radius:6px;background:#F1F1F1;' \/><\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Domande frequenti<\/span><\/p>\n<h2>EPNMRV040\/110 Technical Questions<\/h2>\n<p>The most common questions our engineering desk receives on the EPNMRV040\/110 from Australian specifiers, OEM design engineers, and maintenance planning teams. Additional questions are welcome by email to our technical team.<\/p>\n<div class='eg-prod__faq-item'>\n<h4>Can the pre-stage and main-stage be serviced independently?<\/h4>\n<p>The pre-stage and main-stage are factory-paired as a matched assembly and share a common oil chamber across the interconnecting flange. Field servicing replaces the full combined assembly rather than individual stages. This approach preserves the warranty envelope and guarantees the run-in engagement quality between the two stages.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>What motor power is typically specified for the EPNMRV040\/110?<\/h4>\n<p>The pre-stage motor input capacity is 1.1 kW maximum for this frame. Typical Australian OEM applications pair this combined reducer with a 0.25 to 1.1 kW four-pole three-phase motor, sized according to the actual duty torque and operating speed rather than the combined-reducer catalogue maximum. Our engineering desk will verify motor sizing against your duty profile.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>Qual \u00e8 la durata di servizio prevista in funzionamento continuativo?<\/h4>\n<p>Under rated output torque and appropriate synthetic oil fill, expect 20,000 to 30,000 service hours before worm-wheel wear becomes noticeable as backlash drift in the main-stage output. Very low-speed applications tend to show longer life since the surface velocity at the worm engagement is reduced compared to single-stage operation.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>Are custom output shaft extensions available?<\/h4>\n<p>Custom shaft lengths, non-standard keyways (including metric 8&#215;7 keyways on inch-dimensioned shafts), double-extended output shafts for dual-drive arrangements, and shaft-end protective covers are all available on the main-stage output. Minimum order quantities apply for non-catalogue shaft variants. Drawing-level specification is exchanged with our engineering desk during the quotation stage.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>How does the combined efficiency compare to a single-stage reducer?<\/h4>\n<p>Mechanical efficiency for a two-stage worm arrangement is the product of the two stage efficiencies. For typical NMRV combinations this gives a combined mechanical efficiency in the 50 to 70 percent range, lower than a single-stage worm reducer. This is the expected trade-off for reaching the very high reduction ratios that a single-stage configuration cannot deliver practically.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>What mounting orientations are supported?<\/h4>\n<p>The EPNMRV040\/110 supports the six standard mounting positions: B3, B6, B7, B8, V5 and V6. The oil charge volume is factory-calibrated to the declared mounting orientation &#8211; vertical mounts (V5, V6) receive additional oil volume to ensure both the pre-stage and main-stage worm wheels remain properly submerged at start-up. Specify the mounting orientation at the quotation stage.<\/p>\n<\/div>\n<p><script type='application\/ld+json'>{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can the pre-stage and main-stage be serviced independently?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The pre-stage and main-stage are factory-paired as a matched assembly and share a common oil chamber across the interconnecting flange. Field servicing replaces the full combined assembly rather than individual stages. This approach preserves the warranty envelope and guarantees the run-in engagement quality between the two stages.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What motor power is typically specified for the EPNMRV040\\\/110?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The pre-stage motor input capacity is 1.1 kW maximum for this frame. Typical Australian OEM applications pair this combined reducer with a 0.25 to 1.1 kW four-pole three-phase motor, sized according to the actual duty torque and operating speed rather than the combined-reducer catalogue maximum. Our engineering desk will verify motor sizing against your duty profile.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the expected service life in continuous duty?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Under rated output torque and appropriate synthetic oil fill, expect 20,000 to 30,000 service hours before worm-wheel wear becomes noticeable as backlash drift in the main-stage output. Very low-speed applications tend to show longer life since the surface velocity at the worm engagement is reduced compared to single-stage operation.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Are custom output shaft extensions available?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Custom shaft lengths, non-standard keyways (including metric 8x7 keyways on inch-dimensioned shafts), double-extended output shafts for dual-drive arrangements, and shaft-end protective covers are all available on the main-stage output. Minimum order quantities apply for non-catalogue shaft variants. Drawing-level specification is exchanged with our engineering desk during the quotation stage.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How does the combined efficiency compare to a single-stage reducer?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Mechanical efficiency for a two-stage worm arrangement is the product of the two stage efficiencies. For typical NMRV combinations this gives a combined mechanical efficiency in the 50 to 70 percent range, lower than a single-stage worm reducer. This is the expected trade-off for reaching the very high reduction ratios that a single-stage configuration cannot deliver practically.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What mounting orientations are supported?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The EPNMRV040\\\/110 supports the six standard mounting positions: B3, B6, B7, B8, V5 and V6. The oil charge volume is factory-calibrated to the declared mounting orientation - vertical mounts (V5, V6) receive additional oil volume to ensure both the pre-stage and main-stage worm wheels remain properly submerged at start-up. Specify the mounting orientation at the quotation stage.\"\n            }\n        }\n    ]\n}<\/script><\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Customer Reviews<\/span><\/p>\n<h2>What Engineers Say About the EPNMRV040\/110<\/h2>\n<p>Verified customer feedback from Australian and international engineering customers. Names and companies are published with permission. Review text is paraphrased to protect commercial-in-confidence project detail where necessary.<\/p>\n<div class='eg-prod__review-grid'>\n<div class='eg-prod__review'>\n<div class='eg-prod__review-meta'>\n<div>\n<div class='eg-prod__review-name'>Frank O.<\/div>\n<div class='eg-prod__review-role'>Maintenance Manager, Anaerobic digester facility, SA<\/div>\n<\/div>\n<div class='eg-prod__review-stars'>&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<\/div>\n<p class='eg-prod__review-text'>The EPNMRV040\/110 drives our primary anaerobic digester agitator. Very low rpm requirement, continuous 24\/7 duty, and the mounting position is vertical (V5). The aluminium housing runs noticeably cooler than the cast-iron unit it replaced. Serial-number traceability on the test records was useful for our ISO 14001 documentation.<\/p>\n<\/div>\n<div class='eg-prod__review'>\n<div class='eg-prod__review-meta'>\n<div>\n<div class='eg-prod__review-name'>James Brennan<\/div>\n<div class='eg-prod__review-role'>Principal Engineer, Food processing equipment supplier, New Zealand<\/div>\n<\/div>\n<div class='eg-prod__review-stars'>&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<\/div>\n<p class='eg-prod__review-text'>We source the EPNMRV040\/110 for our slow-speed mixer-reducer product line. Australian-based engineering support across the trans-Tasman time zone has been consistently responsive. Product build quality on sample inspection aligned with the datasheet claims, which is not always the case with equivalent import-catalogue units.<\/p>\n<\/div>\n<div class='eg-prod__review'>\n<div class='eg-prod__review-meta'>\n<div>\n<div class='eg-prod__review-name'>Liam Carter<\/div>\n<div class='eg-prod__review-role'>Project Procurement Manager, Industrial automation, Auckland NZ<\/div>\n<\/div>\n<div class='eg-prod__review-stars'>&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<\/div>\n<p class='eg-prod__review-text'>Integrated EPNMRV040\/110 reducers into a tracking-cycle automation system. The combined-ratio flexibility and compact envelope suited our mechanical design constraints. Documentation and traceability were comprehensive which helped our QA sign-off process.<\/p>\n<\/div>\n<div class='eg-prod__review'>\n<div class='eg-prod__review-meta'>\n<div>\n<div class='eg-prod__review-name'>Sofia Rossi<\/div>\n<div class='eg-prod__review-role'>Mechanical Design Engineer, Packaging machinery OEM, Italy<\/div>\n<\/div>\n<div class='eg-prod__review-stars'>&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<\/div>\n<p class='eg-prod__review-text'>The EPNMRV040\/110 supports our slow-speed bottle-accumulator conveyor requirement with a cleaner mechanical envelope than a single-stage plus chain reduction arrangement. Mechanical interchangeability with European-standard mounting patterns makes component substitution straightforward for international deployments.<\/p>\n<\/div>\n<div class='eg-prod__review'>\n<div class='eg-prod__review-meta'>\n<div>\n<div class='eg-prod__review-name'>Hiroshi Tanaka<\/div>\n<div class='eg-prod__review-role'>Senior Mechanical Engineer, Industrial reducer distributor, Japan<\/div>\n<\/div>\n<div class='eg-prod__review-stars'>&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<\/div>\n<p class='eg-prod__review-text'>Evaluated the EPNMRV040\/110 for introduction to our catalogue. Mechanical build tolerances on our inspection were in line with Japanese industrial expectations. The combined two-stage envelope is more compact than equivalent offerings from larger European suppliers we have worked with previously.<\/p>\n<\/div>\n<\/div>\n<p><script type='application\/ld+json'>{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"EPNMRV040\\\/110 Combined Two-Stage Worm Gearbox\",\n    \"sku\": \"EPNMRV040-110\",\n    \"aggregateRating\": {\n        \"@type\": \"AggregateRating\",\n        \"ratingValue\": \"4.9\",\n        \"reviewCount\": \"5\",\n        \"bestRating\": \"5\",\n        \"worstRating\": \"1\"\n    },\n    \"review\": [\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Frank O.\"\n            },\n            \"reviewBody\": \"The EPNMRV040\\\/110 drives our primary anaerobic digester agitator. Very low rpm requirement, continuous 24\\\/7 duty, and the mounting position is vertical (V5). The aluminium housing runs noticeably cooler than the cast-iron unit it replaced. Serial-number traceability on the test records was useful for our ISO 14001 documentation.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"James Brennan\"\n            },\n            \"reviewBody\": \"We source the EPNMRV040\\\/110 for our slow-speed mixer-reducer product line. Australian-based engineering support across the trans-Tasman time zone has been consistently responsive. Product build quality on sample inspection aligned with the datasheet claims, which is not always the case with equivalent import-catalogue units.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Liam Carter\"\n            },\n            \"reviewBody\": \"Integrated EPNMRV040\\\/110 reducers into a tracking-cycle automation system. The combined-ratio flexibility and compact envelope suited our mechanical design constraints. Documentation and traceability were comprehensive which helped our QA sign-off process.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Sofia Rossi\"\n            },\n            \"reviewBody\": \"The EPNMRV040\\\/110 supports our slow-speed bottle-accumulator conveyor requirement with a cleaner mechanical envelope than a single-stage plus chain reduction arrangement. Mechanical interchangeability with European-standard mounting patterns makes component substitution straightforward for international deployments.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Hiroshi Tanaka\"\n            },\n            \"reviewBody\": \"Evaluated the EPNMRV040\\\/110 for introduction to our catalogue. Mechanical build tolerances on our inspection were in line with Japanese industrial expectations. The combined two-stage envelope is more compact than equivalent offerings from larger European suppliers we have worked with previously.\"\n        }\n    ]\n}<\/script><\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Related Products<\/span><\/p>\n<h2>Related Combined Two-Stage Configurations<\/h2>\n<p>Three related combined two-stage gearboxes across different torque and ratio envelopes. If the EPNMRV040\/110 is close but not exactly matched to your duty requirement, one of the alternatives below may be the better fit.<\/p>\n<div class='eg-prod__related-grid'>\n<div class='eg-prod__related'>\n<h4>EPNMRV050\/110<\/h4>\n<p>855 Nm output torque. Combined ratios 100:1 to 10000:1. Suits cement-plant agitator drives and large-format solar tracker azimuth.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/it\/product\/epnmrv050-110\/'>View EPNMRV050\/110 &rarr;<\/a><\/div>\n<div class='eg-prod__related'>\n<h4>EPNMRV050\/130<\/h4>\n<p>1318 Nm output torque. Combined ratios 100:1 to 10000:1. Suits sugar-mill auxiliary drives and cement-mill reducer applications.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/it\/product\/epnmrv050-130\/'>View EPNMRV050\/130 &rarr;<\/a><\/div>\n<div class='eg-prod__related'>\n<h4>EPNMRV063\/130<\/h4>\n<p>1318 Nm output torque. Combined ratios 100:1 to 10000:1. Suits heavy bulk-handling elevators and mining grinding-mill auxiliary drives.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/it\/product\/epnmrv063-130\/'>View EPNMRV063\/130 &rarr;<\/a><\/div>\n<\/div>\n<p style='margin-top:14px;'>Browse the full <a href='https:\/\/nmrv-gearbox.xyz\/it\/product-category\/combined-two-stage\/'>combined two-stage range<\/a> or return to the <a href='https:\/\/nmrv-gearbox.xyz\/it\/'>Pagina iniziale di Ever-power Australia Gearbox<\/a>.<\/p>\n<\/section>\n<section class='eg-prod__sect'>\n<div class='eg-prod__cta-final'>\n<h3>Ready to Specify the EPNMRV040\/110?<\/h3>\n<p>Send your duty-cycle parameters to our Australian engineering desk and receive a sized recommendation, compatible motor options, and a firm quotation. Technical enquiries are handled by the engineer responsible for the product, not a generic sales desk.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/it\/contact-us\/' class='eg-prod__cta-btn'>Contact Engineering Desk<\/a><\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Factory-paired EPNMRV040\/110 combined two-stage worm gearbox with 855 Nm output torque and combined ratios from 100:1 to 10000:1. Aluminium-housed, IP55 sealed, pre-stage motor input to 1.1 kW. Engineered for heavy-duty mixers and tailings thickener rake drives across Australian industry.<\/p>","protected":false},"featured_media":1853,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[1627],"product_tag":[1651,1631,1647,1629,1648,1652,1650,1628,1632,1634,1633,1630],"class_list":{"0":"post-1884","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-combined-two-stage-worm-gearboxes","7":"product_tag-855-nm-combined-gearbox","8":"product_tag-aluminium-gearbox","9":"product_tag-combined-ratio-100001","10":"product_tag-combined-two-stage-gearbox","11":"product_tag-epnmrv-040-pre-stage","12":"product_tag-epnmrv-110-main-stage","13":"product_tag-epnmrv040-110","14":"product_tag-nmrv-worm-gearbox","15":"product_tag-right-angle-reducer","16":"product_tag-two-stage-worm-reducer","17":"product_tag-very-low-speed-reducer","18":"product_tag-worm-reducer-australia","20":"first","21":"instock","22":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/nmrv-gearbox.xyz\/it\/wp-json\/wp\/v2\/product\/1884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv-gearbox.xyz\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv-gearbox.xyz\/it\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/it\/wp-json\/wp\/v2\/comments?post=1884"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/it\/wp-json\/wp\/v2\/media\/1853"}],"wp:attachment":[{"href":"https:\/\/nmrv-gearbox.xyz\/it\/wp-json\/wp\/v2\/media?parent=1884"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/it\/wp-json\/wp\/v2\/product_brand?post=1884"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/it\/wp-json\/wp\/v2\/product_cat?post=1884"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/it\/wp-json\/wp\/v2\/product_tag?post=1884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}