19 Mar,2026
What is the difference between a spiral bevel and a hypoid?
The NMRV Series Worm Speed Reducer with Motor Input Flange is a highly efficient and versatile solution designed for a variety of industrial applications. Offering a wide range of reduction ratios and power outputs, this gear reducer is engineered to meet specific customer requirements with precision. Featuring a high-quality aluminum alloy housing in smaller frames and durable cast iron construction in larger frames, the NMRV series is robust, corrosion-resistant, and designed for maximum operational efficiency.
| Product Type | NMRV | Ratios[i] | 30 |
| Input speed [η1] | 1400 | Efficiency [η] | 60% |
| Machine base specifications | 025-150 Total 10 types | Transfer power | 60W-15kW |
| Speed ratio range | A single frame has 12 reduction ratios from 5:1 to 100:1 |
Performance:
• The NMRV Series is engineered for high performance across various industries, offering a broad power range from 0.06 kW to 15 kW.
• With a maximum output torque of 1300 Nm, the reducer provides reliable performance even in demanding conditions.
• This gear reducer is highly customizable, with a selection of 11 types of reducers to accommodate different customer requirements.
• The option to configure the reducer in a double RV setup provides enhanced flexibility, with an expanded gear ratio range of 7.5–5000.
Product Features:
• Housing:
○ Frames 025–105: Constructed from lightweight aluminum alloy, offering superior rust resistance and compact design for reduced weight.
○ Frames 110–150: Made from durable cast iron, these frames are designed for long-lasting reliability and resistance to wear.
• Worm and Worm Gear:
○ The worm is crafted from high-quality alloy steel and surface-hardened to a tooth surface hardness of 56–62 HRC, ensuring durability and high resistance to wear.
○ The worm gear is made from premium wear-resistant tin bronze, providing excellent strength and longevity.
• Self-locking:
○ Single-stage worm gear ratios exhibit strong self-locking characteristics, ideal for applications where preventing reverse rotation is important.
○ Multi-stage worm gears reduce self-locking but increase overall transmission efficiency, making the system more suitable for high-speed applications.
Advantages:
• Compact Design: The NMRV series features a space-saving design, making it ideal for installations where space is limited.
• High Efficiency: With a broad range of gear ratios and efficiency up to 60%, the reducer optimizes energy consumption and minimizes operational costs.
• Long-lasting Durability: The use of aluminum alloy and cast iron housing, along with high-quality worm gears, ensures a long service life.
• Customization: With 11 different gear reducer types, the NMRV series can be tailored to meet the specific needs of various industrial applications.
• Low Maintenance: The self-locking properties and durable materials reduce the need for frequent maintenance, enhancing operational uptime.
• Flexible Configurations: The ability to configure the reducer in a double RV setup offers greater flexibility in managing speed and torque.
Applications:
The NMRV Series Worm Speed Reducer with Motor Input Flange is ideal for a wide range of applications, including:
• Conveyor Systems: Offering efficient power transmission for material handling equipment.
• Packaging Machines: Used in systems requiring precise speed control and high torque.
• Textile Machinery: Suitable for driving various textile production equipment.
• Food Processing: Provides reliable and efficient power transmission in food production lines.
• Automated Systems: The NMRV series is a preferred choice for industrial robots and automated machinery requiring high torque and reliability.
| Working Machine Coefficient | ||||||||||
| Working Machine | Daily working hours | Working Machine | Daily working hours | |||||||
| ≤0.5h | 0.5-10h | >10h | ≤0.5h | 0.5-10h | >10h | |||||
| Sewage Treatment | Thickener (Central Drive) | - | - | 1.2 | Metal Processing | Reversing Slab Mill | - | 2.5 | 2.5 | |
| Filter Press | 1 | 1.3 | 1.5 | Reversing Wire Mill | - | 1.8 | 1.8 | |||
| Flocculator | 0.8 | 1 | 1.3 | Reversing Sheet Mill | - | 2 | 2 | |||
| Aerator | - | 1.8 | 2 | Reversing Plate Mill | - | 1.8 | 1.8 | |||
| Collection Equipment | 1 | 1.2 | 1.3 | Roll Gap Adjustment Drive | 0.9 | 1 | - | |||
| Longitudinal/Rotary Combined Collector | 1 | 1.3 | 1.5 | Conveying Machinery | Bucket Elevator | - | 1.2 | 1.5 | ||
| Pre-thickener | - | 1.1 | 1.3 | Winch | 1.4 | 1.6 | 1.6 | |||
| Screw Pump | - | 1.3 | 1.5 | Hoist | - | 1.5 | 1.8 | |||
| Water Turbine | - | - | 2 | Belt Conveyor < 150kw | 1 | 1.2 | 1.3 | |||
| Centrifugal Pump | 1 | 1.2 | 1.3 | Belt Conveyor ≥150kw | 1.1 | 1.3 | 1.5 | |||
| Positive Displacement Pump (1 Cylinder) | 1.3 | 1.4 | 1.8 | Freight Elevator* | - | 1.2 | 1.5 | |||
| Positive Displacement Pump (>1 Cylinder) | 1.2 | 1.4 | 1.5 | Passenger Elevator* | - | 1.5 | 1.8 | |||
| Bucket Conveyor | - | 1.6 | 1.6 | Scraper Conveyor | - | 1.2 | 1.5 | |||
| Tilting Device | - | 1.3 | 1.5 | Escalator | - | 1.2 | 1.4 | |||
| Caterpillar Travel Gear | 1.2 | 1.6 | 1.8 | Rail Traveling Mechanism | - | 1.5 | - | |||
| Bucket Wheel Excavator (for Pickup) | - | 1.7 | 1.7 | Frequency Conversion Device | - | 1.8 | 2 | |||
| Bucket Wheel Excavator (for Bulk Material) | - | 2.2 | 2.2 | Reciprocating Compressor | - | 1.8 | 1.9 | |||
| Shredder / Chopper | - | 2.2 | 2.2 | Hoisting Machinery | Slewing Mechanism | 1 | 1.4 | 1.8 | ||
| Traveling Mechanism* | - | 1.4 | 1.8 | Luffing Mechanism | 1 | 1.25 | 1.5 | |||
| Plate Bending Machine* | - | 1 | 1 | Traveling Mechanism | 1.5 | 1.75 | 2 | |||
| Chemical Industry | Extruder | - | - | 1.6 | Hoisting Mechanism | 1 | 1.25 | 1.5 | ||
| Slurry Mixer | - | 1.8 | 1.8 | Jib Crane | 1 | 1.25 | 1.6 | |||
| Rubber Calender | - | 1.5 | 1.5 | Cooling Towers | Cooling Tower Fan | - | - | 2 | ||
| Cooling Drum | - | 1.3 | 1.4 | Fan (Axial and Centrifugal) | - | 1.4 | 1.5 | |||
| Mixer (Uniform Media) | 1 | 1.3 | 1.4 | Sugar Production | Cane Knife* | - | - | 1.7 | ||
| Mixer (Non-uniform Media) | 1.4 | 1.6 | 1.7 | Cane Mill | - | - | 1.7 | |||
| Agitator (Uniform Density) | 1 | 1.3 | 1.5 | Beet Sugar Production | Beet Slicer | - | - | 1.2 | ||
| Agitator (Non-uniform Density) | 1.2 | 1.4 | 1.6 | Extractor, Mechanical Refrigerator, Cooker | - | - | 1.4 | |||
| Agitator (Uneven Gas Absorption) | 1.4 | 1.6 | 1.8 | Beet Washing Machine | - | - | 1.5 | |||
| Oven / Drying Furnace | 1 | 1.3 | 1.5 | Beet Crusher | - | - | 1.5 | |||
| Centrifuge | 1 | 1.2 | 1.3 | Paper Machinery | Various Types** | - | 1.8 | 2 | ||
| Metal Processing | Tilting Machine | 1 | 1 | 1.2 | Pulper Drive | 2 | 2 | 2 | ||
| Steel Pusher | 1 | 1.2 | 1.2 | Centrifugal Compressor | - | 1.4 | 1.5 | |||
| Winding Machine | - | 1.6 | 1.6 | Cableways | Freight Cableway | - | 1.3 | 1.4 | ||
| Cooling Bed Cross Transfer | - | 1.5 | 1.5 | To-and-fro Aerial Ropeway | - | 1.6 | 1.8 | |||
| Roller Straightener | - | 1.6 | 1.6 | T-bar Lift | - | 1.3 | 1.4 | |||
| Roller Table (Continuous) | - | 1.5 | 1.5 | Continuous Ropeway | - | 1.4 | 1.6 | |||
| Roller Table (Intermittent) | - | 2 | 2 | Cement Industry | Concrete Mixer | - | 1.5 | 1.5 | ||
| Reversing Tube Mill | - | 1.8 | 1.8 | Crusher* | - | 1.2 | 1.4 | |||
| Shearing Machine (Continuous)* | - | 1.5 | 1.5 | Rotary Kiln | - | - | 2 | |||
| Shearing Machine (Crank Type)* | 1 | 1 | 1 | Tube Mill | - | - | 2 | |||
| Continuous Casting Drive | - | 1.4 | 1.4 | Separator | - | 1.6 | 1.6 | |||
| Reversing Roughing Mill | - | 2.5 | 2.5 | Roller Press | - | - | 2 | |||
The NMRV Series Worm Speed Reducer with Motor Input Flange is a reliable, high-performance solution designed for demanding industrial applications. With its broad power range, customizable features, and robust design, it delivers efficient and cost-effective power transmission solutions for a variety of industries.
Years Industry Experience
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Skillful Employees
Advanced Production Line
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