{"id":1892,"date":"2026-04-22T09:12:06","date_gmt":"2026-04-22T09:12:06","guid":{"rendered":"https:\/\/nmrv-gearbox.xyz\/product\/eppc071-nmrv050-helical-worm-combined-reducer\/"},"modified":"2026-04-22T09:32:31","modified_gmt":"2026-04-22T09:32:31","slug":"eppc071-nmrv050-helical-worm-combined-reducer","status":"publish","type":"product","link":"https:\/\/nmrv-gearbox.xyz\/pt\/product\/eppc071-nmrv050-helical-worm-combined-reducer\/","title":{"rendered":"EPPC071\/NMRV050 Helical-Worm Combined Reducer"},"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 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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>EPPC071\/NMRV050 Helical-Worm Combined Reducer<\/h2>\n<p>The EPPC071\/NMRV050 combines a 71 mm helical pre-stage with a 50 mm NMRV worm main stage, delivering 100 Nm rated output torque at up to 1.1 kW input power through combined ratios from 10:1 to 700:1. This is our most frequently specified frame for general industrial duty in the Australian market &#8211; packaging-line conveyors, CIP-tolerant food processing drives, and mid-size agitator reducers at water-treatment facilities. The 11.3 kg assembled weight maintains compatibility with single-person installation on conveyor-side brackets.<\/p>\n<div class='eg-prod__kpi-row'>\n<div class='eg-prod__kpi'>\n<div class='eg-prod__kpi-num'>100 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'>10:1 &#8211; 700:1<\/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'>78%<\/div>\n<div class='eg-prod__kpi-lbl'>Combined Efficiency<\/div>\n<\/div>\n<\/div>\n<p><img class='eg-prod__hero-img' src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/pc-nmrv-helical-worm-combined-reducer.webp' alt='EPPC071\/NMRV050 helical-worm combined reducer with aluminium housing' \/><\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Technical Specifications<\/span><\/p>\n<h2>EPPC071\/NMRV050 Specifications<\/h2>\n<p>Full technical data for the EPPC071\/NMRV050 helical-worm combined reducer. Values are verified at end-of-line dynamometer test and retained on serial-number record for five years. Non-standard shaft modifications, food-grade lubricant fills, and mounting-position 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>EPPC071\/NMRV050<\/td>\n<\/tr>\n<tr>\n<td>Configuration<\/td>\n<td>Helical-worm combined reducer (helical pre-stage + NMRV worm main stage)<\/td>\n<\/tr>\n<tr>\n<td>Pre-stage type<\/td>\n<td>PC071 helical gear pre-stage (approximately 96 percent efficient)<\/td>\n<\/tr>\n<tr>\n<td>Main stage type<\/td>\n<td>NMRV050 worm reducer main stage<\/td>\n<\/tr>\n<tr>\n<td>Dist\u00e2ncia do centro<\/td>\n<td>71 + 50 mm<\/td>\n<\/tr>\n<tr>\n<td>Rated output torque<\/td>\n<td>100 Nm<\/td>\n<\/tr>\n<tr>\n<td>Combined ratio range<\/td>\n<td>10:1 to 700:1<\/td>\n<\/tr>\n<tr>\n<td>Combined mechanical efficiency<\/td>\n<td>approximately 78 percent<\/td>\n<\/tr>\n<tr>\n<td>Output shaft speed (4-pole 1,400 rpm input)<\/td>\n<td>2.0 &#8211; 140 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>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>2800 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<\/td>\n<\/tr>\n<tr>\n<td>Housing material<\/td>\n<td>ADC12 die-cast aluminium alloy (both stages)<\/td>\n<\/tr>\n<tr>\n<td>Helical gear material<\/td>\n<td>20CrMnTi case-hardened alloy steel, ground<\/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, shared chamber)<\/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>11.3 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\": \"EPPC071\\\/NMRV050 Helical-Worm Combined Reducer\",\n    \"description\": \"Factory-paired helical pre-stage and NMRV worm main stage. 100 Nm rated output torque with approximately 78 percent combined mechanical efficiency. 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Each feature below is grounded in an operational constraint that Australian OEM specifiers raise during technical qualification.<\/p>\n<div class='eg-prod__feat-grid'>\n<div class='eg-prod__feat'>\n<h4>Self-Locking Output Preserved<\/h4>\n<p>The NMRV worm main stage retains the self-locking output characteristic typical of high-reduction worm gearing. Applications requiring a static load-holding condition at the output (conveyor inclines, slow-rotation indexing tables) benefit from the self-locking behaviour without requiring an additional mechanical brake.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>Standard NMRV Main Stage<\/h4>\n<p>The main stage uses the same NMRV worm-reducer frame as our single-stage range, preserving mounting pattern compatibility, output shaft dimensions and spare-parts interchangeability. Field-replacement worm-wheel sets for the main stage draw on the same stock inventory as our standalone NMRV product range.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>ADC12 Aluminium Housing<\/h4>\n<p>Both the pre-stage and main-stage housings use ADC12 die-cast aluminium alloy for thermal conductivity and corrosion resistance. Combined unit weight is typically 30 to 40 percent lower than a cast-iron helical-worm equivalent of the same torque envelope, simplifying handling during retrofit and installation.<\/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 across the combined drive train. The helical pre-stage and worm main stage share a common oil chamber in the combined configuration. Factory-calibrated oil volume maintains the declared mounting orientation without relying on field adjustment.<\/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 pre-stage input shaft and the main-stage output shaft. Continuous service rating to 200 degC handles Australian summer ambient inside enclosed packaging cabinets without hardening or premature cracking, common failure modes for nitrile seal alternatives.<\/p>\n<\/div>\n<div class='eg-prod__feat'>\n<h4>IP55 Ingress Protection<\/h4>\n<p>Both stages carry IP55 ingress-protection rating as standard. Labyrinth-seal output-shaft upgrade is available for dust-intensive service in mining and grain-handling applications. Marine-grade paint is specified as standard on units destined for coastal bulk-terminal installations.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Applications<\/span><\/p>\n<h2>Typical EPPC071\/NMRV050 Applications Across Australia<\/h2>\n<p>The EPPC071\/NMRV050 is specified across five primary Australian industry sectors. The descriptions below reflect real installations where the helical pre-stage efficiency advantage over a two-stage worm configuration provides measurable operating-cost benefit or thermal-envelope relief.<\/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\/material-handling-logistics-application.webp' alt='EPPC071\/NMRV050 in Material Handling and Logistics service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Material Handling &amp; Logistics<\/h3>\n<p>For material handling and logistics duty, the EPPC071\/NMRV050 is specified into continuous-duty roller-conveyor drives, pallet-transfer indexing units and bulk-terminal belt-tensioning reducers at Australian DC operations. The helical pre-stage delivers approximately 78 percent combined mechanical efficiency, substantially higher than the 50 to 70 percent typical of two-stage worm arrangements. At continuous operation this translates to meaningful electrical-energy savings and reduced heat load inside enclosed conveyor cabinets &#8211; particularly relevant on 24\/7 three-shift Sydney and Melbourne distribution centres.<\/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='EPPC071\/NMRV050 in Food and Beverage Processing service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Food &amp; Beverage Processing<\/h3>\n<p>In food and beverage processing applications, the EPPC071\/NMRV050 powers bottling-line spindle drives, palletiser-cell indexing reducers and CIP-tolerant processing conveyors at Australian dairies, craft breweries and meat processors. The higher combined efficiency of the helical pre-stage compared to a two-stage worm configuration matters here because these lines run continuously for long campaigns. Food-grade H1 synthetic lubricant fill is available as a factory option, with stainless fasteners and washdown-tolerant paint on request.<\/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='EPPC071\/NMRV050 in Environmental and Water Treatment service' \/><\/div>\n<div class='eg-prod__app-body'>\n<h3>Environmental &amp; Water Treatment<\/h3>\n<p>For environmental and water-treatment service, the EPPC071\/NMRV050 drives screw-conveyor sludge transport, slow-speed grit-classifier augers and DAF skimmer reducers at municipal and private industrial plants across regional Australia. The IP55 housing and viton lip-seal package handle the corrosive splash environment of chlorination and caustic-dosing zones. The helical pre-stage maintains efficient torque transmission across a wide input-rpm range, enabling VFD-driven variable-speed duty with stable output torque across the operating envelope.<\/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='EPPC071\/NMRV050 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 EPPC071\/NMRV050 is deployed on poultry-house feed-conveyor drives, grain-handling screw-conveyor reducers and irrigation-pump clutch drives on NSW, Victorian and Queensland rural operations. The helical pre-stage efficiency advantage over two-stage worm construction becomes significant where the reducer operates continuously for long periods &#8211; electrical consumption on a dairy-shed 24-hour feed line adds up, and the thermal envelope of the aluminium housing handles Queensland summer ambient without active cooling.<\/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='EPPC071\/NMRV050 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 EPPC071\/NMRV050 drives ore-sample screw feeders, slow-speed cone-crusher auxiliary reducers and tailings-pond skimmer drives at Pilbara, Kalgoorlie and central Queensland operations. The helical pre-stage provides improved impact-load tolerance compared to worm-only pre-stages &#8211; relevant on screen-drive and feeder applications where intermittent shock loading is normal. Labyrinth-seal output upgrade and marine-grade paint are both specified as standard on units destined for tropical-coastal bulk-terminal installations.<\/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 EPPC071\/NMRV050 Correctly<\/h2>\n<p>A helical-worm combined reducer is specified when input power, continuous-duty operation, or cabinet-thermal behaviour make the efficiency advantage over a two-stage worm equivalent operationally significant. Three checks matter: required output torque, required combined ratio, and actual continuous motor-input power at the operating point. Our engineering desk verifies all three against the customer duty profile before issuing a sizing recommendation.<\/p>\n<div class='eg-prod__sel-grid'>\n<div class='eg-prod__sel'>\n<h4>1. Confirm Output Torque<\/h4>\n<p>Required torque at the output must fall within the 100 Nm rating of the EPPC071\/NMRV050. Apply an appropriate service factor (1.0 uniform \/ 1.25 moderate shock \/ 1.5 heavy shock) on 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. Available combined ratios span 10:1 to 700:1 through different pre-stage and main-stage ratio pairings. Specify target output rpm for a ratio match.<\/p>\n<\/div>\n<div class='eg-prod__sel'>\n<h4>3. Confirm Motor Power<\/h4>\n<p>Pre-stage input-power capacity is 1.1 kW maximum. Helical pre-stage efficiency (approximately 96 percent) allows smaller motor sizing than a two-stage worm equivalent for the same driven-load torque.<\/p>\n<\/div>\n<\/div>\n<p><img src='https:\/\/nmrv-gearbox.xyz\/wp-content\/uploads\/2026\/04\/nmrv-gearbox-factory-2.webp' alt='EPPC071\/NMRV050 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'>Perguntas frequentes<\/span><\/p>\n<h2>EPPC071\/NMRV050 Technical Questions<\/h2>\n<p>The most common technical questions our engineering desk receives on the EPPC071\/NMRV050 from Australian OEM design engineers, plant maintenance leads, and specification consultants. Additional questions are welcome by email to our engineering team.<\/p>\n<div class='eg-prod__faq-item'>\n<h4>Is the EPPC071\/NMRV050 compatible with competitor two-stage reducers dimensionally?<\/h4>\n<p>The main-stage output-flange pattern follows standard NMRV dimensions, making direct bolt-on retrofit possible for equivalent-frame European and Asian catalogue units from the major brands. Overall envelope dimensions differ slightly with the pre-stage frame size. For retrofit compatibility verification, send the existing-unit dimensional drawings to our engineering desk for a direct envelope comparison.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>What certifications does the EPPC071\/NMRV050 carry?<\/h4>\n<p>Our quality management system is ISO 9001:2015 certified. The EPPC071\/NMRV050 carries CE conformity for export markets, RoHS material compliance, and IP55 ingress-protection testing. Certificates of conformity are issued with every shipment and individual-serial-number test records are retained at the factory for five years. Application-specific certifications such as ATEX are available on a project-configured basis.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>Are custom shaft modifications available?<\/h4>\n<p>Custom output-shaft lengths, non-standard keyways, double-extended output shafts for dual-drive arrangements, and shaft-end protective covers are all available on the main-stage output. Minimum-quantity requirements 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>Voc\u00eas podem fornecer variantes pr\u00f3prias para contato com alimentos ou resistentes \u00e0 lavagem?<\/h4>\n<p>USDA H1-rated synthetic lubricant factory fill, stainless-steel fastener upgrade, and washdown-tolerant paint systems for daily caustic CIP exposure are all available on request. Specify the requirement at quotation so the factory can configure the correct lubricant, seal elastomer compatibility, and surface finish across both the helical pre-stage and NMRV main stage housings.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>What combined efficiency does the EPPC071\/NMRV050 achieve?<\/h4>\n<p>Combined mechanical efficiency of the EPPC071\/NMRV050 is approximately 78 percent across the normal operating range, the product of the helical pre-stage (approximately 96 percent) and the NMRV worm main stage (78 to 85 percent depending on the main ratio). This is substantially higher than the 50 to 70 percent typical of two-stage worm arrangements, translating to measurable motor-electrical consumption savings on continuous-duty applications.<\/p>\n<\/div>\n<div class='eg-prod__faq-item'>\n<h4>When would I choose the EPPC071\/NMRV050 over a two-stage worm reducer?<\/h4>\n<p>Specify the EPPC071\/NMRV050 when: input power is above 0.5 kW and electrical consumption matters, continuous-duty operation is the norm (conveyors, processing lines), impact loading or frequent starts stress the drive train, or thermal headroom in enclosed cabinet installations is constrained. Choose a two-stage worm when very high combined ratios above 700:1 are required, since the helical pre-stage cannot reach the ultra-high ratios of a two-stage worm configuration.<\/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\": \"Is the EPPC071\\\/NMRV050 compatible with competitor two-stage reducers dimensionally?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The main-stage output-flange pattern follows standard NMRV dimensions, making direct bolt-on retrofit possible for equivalent-frame European and Asian catalogue units from the major brands. Overall envelope dimensions differ slightly with the pre-stage frame size. For retrofit compatibility verification, send the existing-unit dimensional drawings to our engineering desk for a direct envelope comparison.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What certifications does the EPPC071\\\/NMRV050 carry?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Our quality management system is ISO 9001:2015 certified. The EPPC071\\\/NMRV050 carries CE conformity for export markets, RoHS material compliance, and IP55 ingress-protection testing. Certificates of conformity are issued with every shipment and individual-serial-number test records are retained at the factory for five years. Application-specific certifications such as ATEX are available on a project-configured basis.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Are custom shaft modifications available?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Custom output-shaft lengths, non-standard keyways, double-extended output shafts for dual-drive arrangements, and shaft-end protective covers are all available on the main-stage output. Minimum-quantity requirements apply for non-catalogue shaft variants. 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Specify the requirement at quotation so the factory can configure the correct lubricant, seal elastomer compatibility, and surface finish across both the helical pre-stage and NMRV main stage housings.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What combined efficiency does the EPPC071\\\/NMRV050 achieve?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Combined mechanical efficiency of the EPPC071\\\/NMRV050 is approximately 78 percent across the normal operating range, the product of the helical pre-stage (approximately 96 percent) and the NMRV worm main stage (78 to 85 percent depending on the main ratio). This is substantially higher than the 50 to 70 percent typical of two-stage worm arrangements, translating to measurable motor-electrical consumption savings on continuous-duty applications.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"When would I choose the EPPC071\\\/NMRV050 over a two-stage worm reducer?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Specify the EPPC071\\\/NMRV050 when: input power is above 0.5 kW and electrical consumption matters, continuous-duty operation is the norm (conveyors, processing lines), impact loading or frequent starts stress the drive train, or thermal headroom in enclosed cabinet installations is constrained. Choose a two-stage worm when very high combined ratios above 700:1 are required, since the helical pre-stage cannot reach the ultra-high ratios of a two-stage worm configuration.\"\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 EPPC071\/NMRV050<\/h2>\n<p>Verified customer feedback from Australian and international engineering customers. Names and companies are published with permission. Review text is paraphrased where necessary to protect commercial-in-confidence project detail.<\/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'>Ben K.<\/div>\n<div class='eg-prod__review-role'>Engineering Manager, Poultry operation, South East QLD<\/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'>EPPC071\/NMRV050 units installed on our new feed-conveyor drive project last year. Continuous-duty operation at elevated summer ambient was the key stressor on the previous equipment. The helical-worm combined design delivers the output torque we need at measurably lower motor-electrical consumption compared to the outgoing two-stage worm reducers.<\/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'>Alessandro Rosso<\/div>\n<div class='eg-prod__review-role'>Product Manager, Packaging machinery supplier, 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 EPPC071\/NMRV050 addresses the efficiency requirement on our new food-processing conveyor platform for EU-market export. Helical pre-stage thermal behaviour under continuous-duty operation was a specification driver &#8211; our customers run these lines for long production campaigns without cabinet cooling.<\/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'>Elena Petrova<\/div>\n<div class='eg-prod__review-role'>Mechanical Design Lead, Agricultural equipment supplier, Eastern Europe<\/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'>Evaluating the EPPC071\/NMRV050 for inclusion on our grain-handling screw-conveyor product range. The input-power capacity at the helical pre-stage is the key differentiator against our current two-stage worm specification. Factory documentation quality supported the qualification-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'>Raj Patel<\/div>\n<div class='eg-prod__review-role'>Technical Director, Industrial distributor, India<\/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'>Stocking the EPPC071\/NMRV050 for the Indian processing-industry market. Customer feedback on the helical-worm combined efficiency and cabinet-temperature behaviour has been positive in the food-processing and pharmaceutical-manufacturing segments. Build-quality consistency across batch shipments has been reliable.<\/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'>Pieter Janssen<\/div>\n<div class='eg-prod__review-role'>Plant Engineering Manager, Beverage manufacturer, Netherlands<\/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 EPPC071\/NMRV050 runs our bottling-line spindle drives after a production-line retrofit. The motor-electrical consumption reduction compared to the previous two-stage worm reducers has been quantified on the plant SCADA historical data &#8211; meaningful annual savings across the multi-line facility.<\/p>\n<\/div>\n<\/div>\n<p><script type='application\/ld+json'>{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"EPPC071\\\/NMRV050 Helical-Worm Combined Reducer\",\n    \"sku\": \"EPPC071-NMRV050\",\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\": \"Ben K.\"\n            },\n            \"reviewBody\": \"EPPC071\\\/NMRV050 units installed on our new feed-conveyor drive project last year. Continuous-duty operation at elevated summer ambient was the key stressor on the previous equipment. The helical-worm combined design delivers the output torque we need at measurably lower motor-electrical consumption compared to the outgoing two-stage worm reducers.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Alessandro Rosso\"\n            },\n            \"reviewBody\": \"The EPPC071\\\/NMRV050 addresses the efficiency requirement on our new food-processing conveyor platform for EU-market export. Helical pre-stage thermal behaviour under continuous-duty operation was a specification driver - our customers run these lines for long production campaigns without cabinet cooling.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Elena Petrova\"\n            },\n            \"reviewBody\": \"Evaluating the EPPC071\\\/NMRV050 for inclusion on our grain-handling screw-conveyor product range. The input-power capacity at the helical pre-stage is the key differentiator against our current two-stage worm specification. Factory documentation quality supported the qualification-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\": \"Raj Patel\"\n            },\n            \"reviewBody\": \"Stocking the EPPC071\\\/NMRV050 for the Indian processing-industry market. Customer feedback on the helical-worm combined efficiency and cabinet-temperature behaviour has been positive in the food-processing and pharmaceutical-manufacturing segments. Build-quality consistency across batch shipments has been reliable.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Pieter Janssen\"\n            },\n            \"reviewBody\": \"The EPPC071\\\/NMRV050 runs our bottling-line spindle drives after a production-line retrofit. The motor-electrical consumption reduction compared to the previous two-stage worm reducers has been quantified on the plant SCADA historical data - meaningful annual savings across the multi-line facility.\"\n        }\n    ]\n}<\/script><\/section>\n<section class='eg-prod__sect'><span class='eg-prod__eyebrow'>Related Products<\/span><\/p>\n<h2>Related Helical-Worm Combined Configurations<\/h2>\n<p>Three related helical-worm combined reducers across different torque and input-power envelopes. If the EPPC071\/NMRV050 is close but not exactly matched to your duty requirement, one of the alternatives below may deliver a better specification fit.<\/p>\n<div class='eg-prod__related-grid'>\n<div class='eg-prod__related'>\n<h4>EPPC080\/NMRV050<\/h4>\n<p>100 Nm rated output torque at 1.5 kW input. Suits high-utilisation continuous-duty conveyor drives.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/pt\/product\/eppc080-nmrv050\/'>View EPPC080\/NMRV050 &rarr;<\/a><\/div>\n<div class='eg-prod__related'>\n<h4>EPPC080\/NMRV063<\/h4>\n<p>225 Nm rated output torque at 2.2 kW input. Suits processing equipment drives and mid-torque mixer reducers.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/pt\/product\/eppc080-nmrv063\/'>View EPPC080\/NMRV063 &rarr;<\/a><\/div>\n<div class='eg-prod__related'>\n<h4>EPPC080\/NMRV075<\/h4>\n<p>306 Nm rated output torque at 2.2 kW input. Suits heavy mixer drives and large-format agitator reducers.<\/p>\n<p><a href='https:\/\/nmrv-gearbox.xyz\/pt\/product\/eppc080-nmrv075\/'>View EPPC080\/NMRV075 &rarr;<\/a><\/div>\n<\/div>\n<p style='margin-top:14px;'>Browse the full <a href='https:\/\/nmrv-gearbox.xyz\/pt\/product-category\/helical-worm-combined\/'>helical-worm combined range<\/a> or compare with the <a href='https:\/\/nmrv-gearbox.xyz\/pt\/product-category\/combined-two-stage\/'>combined two-stage worm alternatives<\/a>.<\/p>\n<\/section>\n<section class='eg-prod__sect'>\n<div class='eg-prod__cta-final'>\n<h3>Ready to Specify the EPPC071\/NMRV050?<\/h3>\n<p>Send your duty-cycle parameters to our Australian engineering desk for 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\/pt\/contact-us\/' class='eg-prod__cta-btn'>Contact Engineering Desk<\/a><\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Factory-paired EPPC071\/NMRV050 helical-worm combined reducer with 100 Nm rated output torque and approximately 78 percent combined mechanical efficiency. Combined ratios from 10:1 to 700:1. Pre-stage motor input up to 1.1 kW. Engineered for general industrial conveyor drives and agitator reducers across Australian industry.<\/p>","protected":false},"featured_media":1854,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[1660],"product_tag":[1678,1674,1631,1680,1664,1661,1663,1676,1662,1679,1632,1630],"class_list":{"0":"post-1892","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-helical-worm-combined-reducers","7":"product_tag-1-1-kw-input-reducer","8":"product_tag-100-nm-helical-worm-reducer","9":"product_tag-aluminium-gearbox","10":"product_tag-eppc071-nmrv050","11":"product_tag-helical-gear-pre-stage","12":"product_tag-helical-worm-combined-reducer","13":"product_tag-high-efficiency-gearbox-australia","14":"product_tag-nmrv050-worm-main-stage","15":"product_tag-pc-nmrv-gearbox","16":"product_tag-pc071-helical-pre-stage","17":"product_tag-right-angle-reducer","18":"product_tag-worm-reducer-australia","20":"first","21":"instock","22":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/nmrv-gearbox.xyz\/pt\/wp-json\/wp\/v2\/product\/1892","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv-gearbox.xyz\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv-gearbox.xyz\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/pt\/wp-json\/wp\/v2\/comments?post=1892"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/pt\/wp-json\/wp\/v2\/media\/1854"}],"wp:attachment":[{"href":"https:\/\/nmrv-gearbox.xyz\/pt\/wp-json\/wp\/v2\/media?parent=1892"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/pt\/wp-json\/wp\/v2\/product_brand?post=1892"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/pt\/wp-json\/wp\/v2\/product_cat?post=1892"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv-gearbox.xyz\/pt\/wp-json\/wp\/v2\/product_tag?post=1892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}