{"id":2201,"date":"2026-04-20T02:48:21","date_gmt":"2026-04-20T02:48:21","guid":{"rendered":"https:\/\/worm-gear-motor.top\/product\/nmrv-worm-gear-motor\/"},"modified":"2026-04-20T02:48:21","modified_gmt":"2026-04-20T02:48:21","slug":"nmrv-worm-gear-motor","status":"publish","type":"product","link":"https:\/\/worm-gear-motor.top\/fr\/product\/nmrv-worm-gear-motor\/","title":{"rendered":"NMRV Worm Gear Motor"},"content":{"rendered":"
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NMRV Worm Gear Motor \u2014 Three-phase AC motor integrated with NMRV aluminum worm gearbox<\/h2>\n

Engineered for pharmaceutical and chemical process equipment, the NMRV Worm Gear Motor<\/strong> from Ever-power Australia Worm Reducer Co., Ltd.<\/strong> delivers dependable speed reduction with integrated motor and gearbox as a single compact drive unit. Trusted by OEMs and system integrators across 60+ countries.<\/p>\n<\/div>\n

\"Worm<\/p>\n

📜 NMRV Worm Gear Motor Product Overview<\/h2>\n

The NMRV Worm Gear Motor<\/strong> is a precision-built worm gear speed reducer designed for reliable right-angle power transmission in demanding industrial environments. Featuring integrated motor and gearbox as a single compact drive unit, this unit transforms high-speed motor rotation into controlled, high-torque output suitable for pharmaceutical and chemical process equipment. The worm gear mechanism provides inherently smooth, low-vibration operation with significantly lower noise levels than spur or helical gear alternatives \u2014 typically below 65 dB(A) at rated load.<\/p>\n

All gear components are manufactured under ISO 9001-certified quality management. The worm wheel is machined from wear-resistant bronze alloy, while the worm shaft undergoes carburizing and precision grinding to achieve a hardened tooth surface. This material combination ensures gradual, predictable wear characteristics rather than sudden failure, giving maintenance teams confidence in planning scheduled interventions.<\/p>\n

✅ Key Features & Benefits<\/h2>\n
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Superior Heat Management<\/strong>
The integrated motor-gearbox housing with optimized fin geometry ensures efficient thermal dissipation during continuous duty cycles.<\/div>\n
Self-Locking Capability<\/strong>
At higher ratios, the unit provides reliable self-locking \u2014 the load cannot back-drive the output, eliminating external brakes in many applications.<\/div>\n
Global Motor Compatibility<\/strong>
Input interface accepts both IEC metric and NEMA imperial motor flanges, providing worldwide sourcing flexibility.<\/div>\n
Low Maintenance Design<\/strong>
Oil-bath lubrication, double-lip oil seals, and corrosion-resistant finishes minimize maintenance intervals and downtime costs.<\/div>\n<\/div>\n

🔧 Technical Specifications<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Configuration<\/td>\nNMRV + Three-Phase AC Motor<\/td>\n<\/tr>\n
Motor Type<\/td>\nThree-phase \/ Single-phase \/ Brake<\/td>\n<\/tr>\n
Voltage<\/td>\n220V\/380V\/415V (customizable)<\/td>\n<\/tr>\n
Frequency<\/td>\n50Hz \/ 60Hz<\/td>\n<\/tr>\n
Insulation Class<\/td>\nClass F<\/td>\n<\/tr>\n
Motor Protection<\/td>\nIP55<\/td>\n<\/tr>\n
Reducer Type<\/td>\nNMRV Aluminum Alloy<\/td>\n<\/tr>\n
Ratio Range<\/td>\n5:1 \u2013 100:1<\/td>\n<\/tr>\n
Mounting<\/td>\nB3, B5, B6, B7, B8, V5, V6<\/td>\n<\/tr>\n
Wiring<\/td>\nTerminal box, CCW\/CW selectable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\"Ever-power<\/p>\n

🏭 Application Industries<\/h2>\n
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🍯 Food & Beverage<\/strong>
Mixers, dosing pumps, and rotary valves in hygienic production environments.<\/div>\n
📦 Textile & Printing<\/strong>
Thread winding, fabric tensioning, and screen-printing carriage drives.<\/div>\n
🏚 Gate & Door Systems<\/strong>
Sliding gates, barrier arms, and rolling shutters for commercial access control.<\/div>\n<\/div>\n

\"Worm<\/p>\n

📚 Selection & Sizing Guide<\/h2>\n

Proper sizing prevents premature failure. Follow this simplified procedure to confirm the NMRV Worm Gear Motor suits your application:<\/p>\n

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Step 1:<\/strong> Calculate required output speed: n\u2082 = Motor Speed \/ Ratio<\/p>\n

Step 2:<\/strong> Determine required output torque from your machine design.<\/p>\n

Step 3:<\/strong> Apply service factor (fs<\/sub>) based on duty cycle, load type, and daily running hours.<\/p>\n

Step 4:<\/strong> Verify M\u2082 \u00d7 fs<\/sub> \u2264 rated torque from the specification table above.<\/p>\n

Step 5:<\/strong> Calculate motor power: P\u2081 = (M\u2082 \u00d7 fs<\/sub> \u00d7 n\u2082) \/ (9550 \u00d7 \u03b7)<\/p>\n

💡 Need help? Our engineering team provides free sizing assistance<\/strong> \u2014 contact us<\/a> with your torque, speed, and application details.<\/p>\n<\/div>\n

🛠 Installation & Maintenance<\/h2>\n

☑ Mount on a flat, rigid surface with all foundation bolts properly torqued. ☑ Align motor and gearbox shafts within 0.5\u00b0 angular and 0.05 mm parallel tolerance. ☑ Fill lubricant to the oil-gauge center line before first operation. ☑ Remove the breather vent plug to allow air circulation. ☑ Perform the first oil change after 100 operating hours, then every 2,500 hours thereafter. ☑ Maximum allowable oil temperature is 95\u00b0C \u2014 if exceeded, check load, alignment, and oil condition.<\/p>\n

💧 Lubrication<\/h2>\n

Use synthetic PAG oil (ISO VG 460) for ambient temperatures 15\u201340\u00b0C, or ISO VG 320 for cooler environments. Recommended brands: Shell Tivela S, Mobil Glygoyle, or Esso Spartan EP series. Mineral oils are acceptable but result in higher operating temperatures and shorter change intervals. Fill to the sight-gauge center line.<\/p>\n

\"Worm<\/p>\n

🚧 Troubleshooting<\/h2>\n

\n\n\n\n\n\n\n\n\n
Symptom<\/th>\nCause<\/th>\nAction<\/th>\n<\/tr>\n<\/thead>\n
🌡 Overheating<\/td>\nOverload \/ misalignment \/ low oil<\/td>\nReduce load; re-align; check oil level<\/td>\n<\/tr>\n
📳 Vibration<\/td>\nLoose bolts \/ worn bearings<\/td>\nRe-torque fasteners; replace bearings<\/td>\n<\/tr>\n
🔈 Noise<\/td>\nPoor mesh \/ insufficient oil<\/td>\nInspect gears; refill lubricant<\/td>\n<\/tr>\n
💧 Leakage<\/td>\nWorn seals \/ loose drain plug<\/td>\nReplace seals; tighten with sealant<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\"Worm<\/p>\n

❓ Frequently Asked Questions<\/h2>\n

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\nHow do I select the correct size?<\/summary>\n
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Determine your required output torque and speed, apply the service factor for your duty cycle, then verify against the rated torque table. Our engineering team can assist \u2014 contact us<\/a> for free sizing support.<\/p>\n<\/div>\n<\/details>\n

\nCan this unit handle bidirectional rotation?<\/summary>\n
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Yes. The gearbox operates identically in both directions with no preferred rotation. Simply reverse the motor wiring. Note that at self-locking ratios, reversal must be initiated from the input side.<\/p>\n<\/div>\n<\/details>\n

\nWhat is the maximum operating temperature?<\/summary>\n
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The oil temperature should not exceed 95\u00b0C. The aluminum housing provides efficient heat dissipation. If ambient temperature exceeds 40\u00b0C, derate the torque or add supplemental cooling.<\/p>\n<\/div>\n<\/details>\n

\nHow noisy is this worm gearbox?<\/summary>\n
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Under rated load, noise is typically below 65 dB(A). Worm gears are inherently quieter than spur or helical gears due to their sliding contact. Synthetic lubricant further reduces noise.<\/p>\n<\/div>\n<\/details>\n

\nDoes Ever-power provide technical support?<\/summary>\n
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Absolutely. Our application engineers provide free sizing calculations, CAD drawings, and motor-matching guidance. Email us<\/a> your requirements for prompt assistance.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

⭐ Customer Feedback<\/h2>\n
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⭐⭐⭐⭐⭐<\/p>\n

“The Zi tooth profile gives noticeably smoother engagement than the competitors we tested. Very low backlash.”<\/p>\n

\u2014 Yuki T., Automation Specialist, Japan 🇯🇵<\/p>\n<\/div>\n

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⭐⭐⭐⭐⭐<\/p>\n

“Quieter than our previous brand. Oil consumption is lower too. We’re standardizing on Ever-power across our plant.”<\/p>\n

\u2014 David K., Maintenance Supervisor, Canada 🇨🇦<\/p>\n<\/div>\n<\/div>\n

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Start Your Worm Reducer Project Today<\/h2>\n

Whether you need one sample or 10,000 units, our team is ready to support your timeline and specification requirements.<\/p>\n

📩 Request a Quote<\/a>
\n📧 Email Us<\/a><\/p>\n

Ever-power Australia Worm Reducer Co., Ltd. • About Us<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

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The NMRV Worm Gear Motor<\/strong> (Three-phase AC motor integrated with NMRV aluminum worm gearbox) is a high-performance worm gear speed reducer manufactured by Ever-power Australia Worm Reducer Co., Ltd. Engineered for reliable right-angle power transmission with quiet operation, high torque density, and flexible mounting options. Compatible with IEC and NEMA motors. Request a quote<\/a>.<\/p>\n<\/div>","protected":false},"featured_media":2060,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2384],"product_tag":[2386,2388,2387,2389,2385],"class_list":{"0":"post-2201","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-worm-gear-motors","7":"product_tag-ac-gear-motor","8":"product_tag-integrated-gearmotor","9":"product_tag-nmrv-motor-reducer","10":"product_tag-worm-drive-motor","11":"product_tag-worm-gear-motor","13":"first","14":"instock","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/worm-gear-motor.top\/fr\/wp-json\/wp\/v2\/product\/2201","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/worm-gear-motor.top\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/worm-gear-motor.top\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/worm-gear-motor.top\/fr\/wp-json\/wp\/v2\/comments?post=2201"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/worm-gear-motor.top\/fr\/wp-json\/wp\/v2\/media\/2060"}],"wp:attachment":[{"href":"https:\/\/worm-gear-motor.top\/fr\/wp-json\/wp\/v2\/media?parent=2201"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/worm-gear-motor.top\/fr\/wp-json\/wp\/v2\/product_brand?post=2201"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/worm-gear-motor.top\/fr\/wp-json\/wp\/v2\/product_cat?post=2201"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/worm-gear-motor.top\/fr\/wp-json\/wp\/v2\/product_tag?post=2201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}