09 Apr,2026
What is the efficiency rating of a K Series helical bevel gearmotor compared to a worm gearbox?
The NMRV High Torque Double Stage Worm Gear Reducer is designed for high-performance applications requiring increased torque output and compact size. Its double-stage construction allows for efficient reduction of input speed while ensuring smooth power transmission in heavy-duty industrial systems.
| 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 |
Product Features
• Input speed: 1400 RPM
• Reduction ratios: 12 different ratios from 5:1 to 100:1
• Efficiency: 60%
• Power range: 60W to 15kW
• Durable aluminum alloy housing for enhanced strength and reduced weight
• High torque capacity suitable for industrial use
Product Advantages
• High Torque: The double-stage construction provides increased torque handling capacity, making it suitable for heavy-duty applications.
• Compact Design: Despite its high torque output, the NMRV series remains compact, ideal for space-constrained installations.
• Improved Efficiency: With a 60% efficiency rating, this gear reducer ensures energy conservation while delivering reliable performance.
• Versatility: Available in multiple reduction ratios, it meets a wide range of application requirements.
Product Applications
The NMRV High Torque Double Stage Worm Gear Reducer is ideal for use in industrial machinery, conveyor systems, packaging machines, and automation equipment where high torque and compact form factor are essential.
| 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 | |||
Years Industry Experience
Factory Area
Skillful Employees
Advanced Production Line
09 Apr,2026
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