{"id":1879,"date":"2026-04-22T09:00:04","date_gmt":"2026-04-22T09:00:04","guid":{"rendered":"https:\/\/nmrv-gearbox.xyz\/product\/epnmrv030-063-combined-two-stage-worm-gearbox\/"},"modified":"2026-04-22T09:15:50","modified_gmt":"2026-04-22T09:15:50","slug":"epnmrv030-063-combined-two-stage-worm-gearbox","status":"publish","type":"product","link":"https:\/\/nmrv-gearbox.xyz\/ru\/product\/epnmrv030-063-combined-two-stage-worm-gearbox\/","title":{"rendered":"EPNMRV030\/063 Combined Two-Stage Worm Gearbox"},"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 0;}.eg-prod p{margin:0 0 14px 0;font-size:15px;}.eg-prod a{color:#2E5BFF;text-decoration:none;border-bottom:1px solid transparent;transition:border-color 0.2s ease;}.eg-prod a:hover{border-bottom-color:#2E5BFF;}.eg-prod ul{padding-left:1.4em;margin:0 0 14px 0;}.eg-prod li{margin-bottom:6px;font-size:15px;}.eg-prod__sect{padding:30px 0;border-bottom:1px solid #e6e9ef;}.eg-prod__sect:last-child{border-bottom:none;}.eg-prod__eyebrow{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:#2E5BFF;background:rgba(46,91,255,0.08);padding:4px 10px;border-radius:3px;margin-bottom:12px;}.eg-prod__kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0 22px 0;}.eg-prod__kpi{background:#F8F9FA;border-left:3px solid #0066CC;padding:14px 14px;border-radius:3px;}.eg-prod__kpi-num{font-size:18px;font-weight:800;color:#0066CC;line-height:1.1;margin-bottom:4px;}.eg-prod__kpi-lbl{font-size:11px;color:#666;letter-spacing:1px;text-transform:uppercase;font-weight:600;}.eg-prod__hero-img{width:100%;max-width:640px;height:auto;border-radius:6px;margin:18px auto 0 auto;display:block;background:#F1F1F1;}.eg-prod__spec-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px;}.eg-prod__spec-table th,.eg-prod__spec-table td{padding:10px 12px;text-align:left;border-bottom:1px solid #e6e9ef;}.eg-prod__spec-table thead th{background:#0066CC !important;color:#FFFFFF !important;font-weight:700;}.eg-prod__spec-table tr:nth-child(even) td{background:#F8F9FA;}.eg-prod__spec-table tr td:first-child{font-weight:600;color:#333;width:42%;}.eg-prod__feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px;}.eg-prod__feat{background:#F8F9FA;padding:18px 20px;border-radius:6px;border-left:3px solid 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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>EPNMRV030\/063 Combined Two-Stage Worm Gearbox<\/h2>\n<p>The EPNMRV030\/063 is our entry-level combined two-stage worm gearbox, factory-paired from a 30 mm centre-distance pre-stage and a 63 mm centre-distance main stage. Combined ratios from 100:1 through 8,000:1 deliver output speeds as low as 0.175 rpm directly from a standard four-pole input motor, making this frame the go-to choice for small agitator drives, secondary solar-tracker azimuth reducers and slow-sweep packaging accumulators. Rated output torque of 225 Nm and a compact 7.3 kg aluminium envelope give Australian OEM integrators a very-low-speed reducer without the bulk of a larger frame.<\/p>\n<div class='eg-prod__kpi-row'>\n<div class='eg-prod__kpi'>\n<div class='eg-prod__kpi-num'>225 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; 8000:1<\/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'>0.37 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'>7.3 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='EPNMRV030\/063 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>EPNMRV030\/063 Specifications<\/h2>\n<p>Full technical data for the EPNMRV030\/063 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>EPNMRV030\/063<\/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>Centre distance<\/td>\n<td>30 + 63 mm<\/td>\n<\/tr>\n<tr>\n<td>Rated output torque<\/td>\n<td>225 Nm<\/td>\n<\/tr>\n<tr>\n<td>Combined ratio range<\/td>\n<td>100:1 to 8000:1<\/td>\n<\/tr>\n<tr>\n<td>Output shaft speed (4-pole 1,400 rpm input)<\/td>\n<td>0.175 &#8211; 14.0 rpm<\/td>\n<\/tr>\n<tr>\n<td>Pre-stage input power (max)<\/td>\n<td>0.37 kW<\/td>\n<\/tr>\n<tr>\n<td>Output bore (hollow shaft)<\/td>\n<td>25 mm<\/td>\n<\/tr>\n<tr>\n<td>Output shaft diameter (solid shaft)<\/td>\n<td>25 mm<\/td>\n<\/tr>\n<tr>\n<td>Output radial load capacity<\/td>\n<td>3250 N<\/td>\n<\/tr>\n<tr>\n<td>Motor flange &#8211; NEMA<\/td>\n<td>56C \/ 140TC<\/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>7.3 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\": \"EPNMRV030\\\/063 Combined Two-Stage Worm Gearbox\",\n    \"description\": \"Factory-paired combined two-stage worm gearbox rated for 225 Nm output torque with combined ratios from 100:1 to 8000:1. 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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>ADC12 Aluminium Housing<\/h4>\n<p>Die-cast ADC12 aluminium alloy housing delivers thermal conductivity three to four times higher than cast iron, maintaining stable oil-sump temperature under sustained two-stage operation. Salt-air corrosion resistance without active paint maintenance suits coastal NSW and Queensland installations.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Combined Ratio Up to 10,000:1<\/h4>\n<p>Factory-paired pre-stage and main-stage worm sets deliver combined ratios from 100:1 through 10,000:1 depending on frame, reaching output speeds below 0.2 rpm directly from a four-pole motor without a chain-reduction driveline stage.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Compact Stacked Envelope<\/h4>\n<p>Integrated flange mounting between pre-stage and main stage eliminates the coupling and guard required by externally-mounted two-stage arrangements. Total mounting envelope stays within the footprint of a single large-frame unit for most pairings.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Factory-Matched Worm Sets<\/h4>\n<p>Both the pre-stage and main-stage worm-and-wheel pairs are factory-matched and lapped at the production line. Engagement geometry is verified for each serial number before assembly. Replacement sets are supplied as matched pairs for predictable run-in.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Synthetic PAG Lubrication<\/h4>\n<p>Factory fill with ISO VG 320 synthetic polyalkylene glycol maintains film viscosity from -20 &deg;C cold starts through +90 &deg;C sustained sump temperature. Superior film retention under low-rpm output-stage conditions where mineral-oil alternatives can drop out and accelerate wheel wear.<\/p>\n<\/div>\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>\n<\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Applications<\/span><\/p>\n<h2>Typical EPNMRV030\/063 Applications Across Australia<\/h2>\n<p>The EPNMRV030\/063 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\/agriculture-application.webp' alt='EPNMRV030\/063 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 EPNMRV030\/063 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<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='EPNMRV030\/063 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 EPNMRV030\/063 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 225 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='EPNMRV030\/063 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 EPNMRV030\/063 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='EPNMRV030\/063 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 EPNMRV030\/063 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='EPNMRV030\/063 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 EPNMRV030\/063 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 225 Nm is well matched to typical rake-drive and thickener duty cycles.<\/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 EPNMRV030\/063 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 225 Nm rating of the EPNMRV030\/063. 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 8000:1 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 0.37 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-structure.webp' alt='EPNMRV030\/063 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'>Frequently Asked<\/span><\/p>\n<h2>EPNMRV030\/063 Technical Questions<\/h2>\n<p>The most common questions our engineering desk receives on the EPNMRV030\/063 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>What output speed range is available on the EPNMRV030\/063?<\/h4>\n<p>Combined ratios across this frame cover 100:1 through 8000:1 depending on the pre-stage and main-stage ratio combination selected. From a four-pole 1,400 rpm input, output speeds range from approximately 14 rpm on the lowest combined ratio down to 0.14 to 0.175 rpm on the highest combined ratio. Exact output speed for a specified combined ratio is given on request with the sizing worksheet.<\/p>\n<\/div>\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 EPNMRV030\/063?<\/h4>\n<p>The pre-stage motor input capacity is 0.37 kW maximum for this frame. Typical Australian OEM applications pair this combined reducer with a 0.25 to 0.37 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>What is the expected service life in continuous duty?<\/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<p><script type='application\/ld+json'>{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What output speed range is available on the EPNMRV030\\\/063?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Combined ratios across this frame cover 100:1 through 8000:1 depending on the pre-stage and main-stage ratio combination selected. From a four-pole 1,400 rpm input, output speeds range from approximately 14 rpm on the lowest combined ratio down to 0.14 to 0.175 rpm on the highest combined ratio. Exact output speed for a specified combined ratio is given on request with the sizing worksheet.\"\n            }\n        },\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 EPNMRV030\\\/063?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The pre-stage motor input capacity is 0.37 kW maximum for this frame. Typical Australian OEM applications pair this combined reducer with a 0.25 to 0.37 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}<\/script><\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Customer Reviews<\/span><\/p>\n<h2>What Engineers Say About the EPNMRV030\/063<\/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'>Andrew K.<\/div>\n<div class='eg-prod__review-role'>Senior Maintenance Engineer, Dairy processing plant, VIC<\/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'>Installed four EPNMRV030\/063 units on our CIP-tolerant blender sweep arms during last year&#8217;s seasonal shutdown. The caustic washdown exposure is brutal on gearboxes and the previous European-supplier units were leaking within nine months. The aluminium housing on the EPNMRV030\/063 is holding up well so far and the torque margin at the combined ratio we specified is noticeably more conservative than the competitor spec.<\/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 EPNMRV030\/063 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 EPNMRV030\/063 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 EPNMRV030\/063 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 EPNMRV030\/063 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\": \"EPNMRV030\\\/063 Combined Two-Stage Worm Gearbox\",\n    \"sku\": \"EPNMRV030-063\",\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\": \"Andrew K.\"\n            },\n            \"reviewBody\": \"Installed four EPNMRV030\\\/063 units on our CIP-tolerant blender sweep arms during last year's seasonal shutdown. The caustic washdown exposure is brutal on gearboxes and the previous European-supplier units were leaking within nine months. The aluminium housing on the EPNMRV030\\\/063 is holding up well so far and the torque margin at the combined ratio we specified is noticeably more conservative than the competitor spec.\"\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 EPNMRV030\\\/063 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 EPNMRV030\\\/063 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 EPNMRV030\\\/063 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 EPNMRV030\\\/063 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 EPNMRV030\/063 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>EPNMRV030\/075<\/h4>\n<p>306 Nm output torque. Combined ratios 100:1 to 8000:1. Suits low-speed mixers, grain silo sweep drives and slow packaging accumulators.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/ru\/product\/epnmrv030-075\/'>View EPNMRV030\/075 &rarr;<\/a><\/div>\n<div class='eg-prod__related'>\n<h4>EPNMRV030\/090<\/h4>\n<p>479 Nm output torque. Combined ratios 100:1 to 8000:1. Suits solar-tracker azimuth drives and anaerobic digester agitators.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/ru\/product\/epnmrv030-090\/'>View EPNMRV030\/090 &rarr;<\/a><\/div>\n<div class='eg-prod__related'>\n<h4>EPNMRV040\/075<\/h4>\n<p>306 Nm output torque. Combined ratios 100:1 to 10000:1. Suits packaging line accumulators and dairy sweep-arm drives.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/ru\/product\/epnmrv040-075\/'>View EPNMRV040\/075 &rarr;<\/a><\/div>\n<\/div>\n<p style='margin-top:14px;'>Browse the full <a href='https:\/\/nmrv-gearbox.xyz\/ru\/product-category\/combined-two-stage\/'>combined two-stage range<\/a> or return to the <a href='https:\/\/nmrv-gearbox.xyz\/ru\/'>Ever-power Australia Gearbox homepage<\/a>.<\/p>\n<\/section>\n<section class='eg-prod__sect'>\n<div class='eg-prod__cta-final'>\n<h3>Ready to Specify the EPNMRV030\/063?<\/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\/ru\/contact-us\/' class='eg-prod__cta-btn'>Contact Engineering Desk<\/a><\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Factory-paired EPNMRV030\/063 combined two-stage worm gearbox with 225 Nm output torque and combined ratios from 100:1 to 8000:1. Aluminium-housed, IP55 sealed, pre-stage motor input to 0.37 kW. Engineered for slow-speed agitators, small solar trackers and secondary mixer 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":[1636,1631,1637,1629,1638,1639,1635,1628,1632,1634,1633,1630],"class_list":{"0":"post-1879","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-combined-two-stage-worm-gearboxes","7":"product_tag-225-nm-combined-gearbox","8":"product_tag-aluminium-gearbox","9":"product_tag-combined-ratio-80001","10":"product_tag-combined-two-stage-gearbox","11":"product_tag-epnmrv-030-pre-stage","12":"product_tag-epnmrv-063-main-stage","13":"product_tag-epnmrv030-063","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\/ru\/wp-json\/wp\/v2\/product\/1879","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv-gearbox.xyz\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv-gearbox.xyz\/ru\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/ru\/wp-json\/wp\/v2\/comments?post=1879"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/ru\/wp-json\/wp\/v2\/media\/1853"}],"wp:attachment":[{"href":"https:\/\/nmrv-gearbox.xyz\/ru\/wp-json\/wp\/v2\/media?parent=1879"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/ru\/wp-json\/wp\/v2\/product_brand?post=1879"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/ru\/wp-json\/wp\/v2\/product_cat?post=1879"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/ru\/wp-json\/wp\/v2\/product_tag?post=1879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}