NMRV Series Lightweight Aluminum Alloy Worm Gear Reducer

The NMRV series worm gear reducers are designed to provide high performance and versatility across a wide range of industrial applications. These reducers feature a lightweight aluminum alloy housing for superior corrosion resistance and reduced weight, making them an ideal choice for environments requiring efficient power transmission. With 11 different gear reducer types available, they cater to various customer needs and can be selected based on specific power and performance requirements.

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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:
• Housing Construction:
○ Aluminum Alloy (Frames 025–105): Lightweight, rust-resistant, and ideal for applications where weight reduction is crucial.
○ Cast Iron (Frames 110–150): Durable, robust, and designed to offer long-lasting reliability under heavy loads.

• Worm and Worm Gear Construction:
○ The worm is crafted from high-quality alloy and surface-hardened to ensure exceptional durability, with a tooth surface hardness of 56–62 HRC.
○ The worm gear is constructed from high-quality, wear-resistant tin bronze, ensuring long-term performance and minimizing wear under continuous operation.

• Self-locking:
○ Single-stage Worm Gear: Provides excellent self-locking capabilities, making it ideal for applications requiring a secure, non-backdrivable system.
○ Multi-stage Ratios: Offers improved transmission efficiency at the cost of reduced self-locking, which is beneficial in applications where higher speed ratios are needed.

Product Advantages:
• Compact and Lightweight Design: The aluminum alloy housing offers significant weight reduction without sacrificing strength, making it suitable for space-constrained applications.
• Durable Construction: With the combination of aluminum and cast iron housing options, the NMRV series ensures long-lasting reliability and resistance to harsh environments.
• Versatile Power Range: Available in power ratings from 0.06 kW to 15 kW, providing flexibility for use in a wide array of applications.
• High Efficiency: Despite a relatively low efficiency rating of 60%, the product still provides significant power transfer, making it a cost-effective solution for moderate applications.
• Wide Range of Gear Ratios: The availability of multiple gear ratios from 5:1 to 100:1 and the option to combine in a double RV configuration for extended ranges, ensure that the NMRV series can meet the requirements of diverse application needs.
• Self-locking Mechanism: The self-locking feature offers enhanced safety and reliability in certain applications, ensuring that the system does not backdrive under load.
• Customizable: With multiple frame sizes and configuration options, the NMRV series can be tailored to meet specific customer requirements, allowing for optimal performance in every use case.

Applications:
The NMRV series worm gear reducers are widely used in various industries where compact size, efficiency, and reliability are critical. Key applications include:
• Industrial Machinery: For driving conveyors, mixers, and other production equipment.
• Material Handling: Efficient for use in cranes, lifts, and material transport systems.
• Automated Systems: Used in robots, automation lines, and control systems where space and weight limitations are a concern.
• Agricultural Equipment: Ideal for use in tractors, harvesters, and other farming machinery.
• Pumps and Compressors: Suitable for power transmission in pumps and compressors across multiple sectors.

Working Machine Coefficient
Working Machine		Daily working hours			Working Machine		Daily working hours
Working Machine		≤0.5h	0.5-10h	>10h	Working Machine		≤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	Cooling Towers	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	Sugar Production	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	Paper Machinery	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

Deku Intelligent Drive (Zhejiang) Co., Ltd.

27+

Years Industry Experience
150000+

Factory Area
450+

Skillful Employees
18+

Advanced Production Line

Deku Intelligent Drive is a manufacturing plant specializing in general hardened gear reducers. The main products are: DPK series bevel gear reducer, DPR series coaxial helical gear reducer DPF series parallel shaft helical gear reducer., DPS series helical gear worm gear reducer, non-standard gear reducer and other four series of hundreds of varieties. We are Wholesale NMRV Series Lightweight Aluminum Alloy Worm Gear Reducer Manufacturers and China NMRV Series Lightweight Aluminum Alloy Worm Gear Reducer Exporter.

Deku Intelligent Drive has introduced the international technology of the reducer group and integrated the current top supply chain of gear processing. box processing and motor supplier, making each gear of the German Deku Intelligent Drive perfect and achieve The highest factory standard for the reducer industry Deku Intelligent Drive ultimate pursuit of product quality, and first introduced the industry's personalized service content and long warranty time.

Due to the integration of the Deku Intelligent Drive supply chain and the high cost performance of the Deku Intelligent Drive the quality of the supply chain is strictly controlled to create the high quality of the Deku Intelligent Drive Therefore, since the establishment of the Deku Intelligent Drive, it has quickly become the preferred brand of the mechanical transmission industry.

HONOR & CERTIFICATE

Our products have obtained, include EC-Type Examination Certificate, BV, MODE, DNV, GL Certificate, EC Attestation of Conformity, Certificate of Type Approval for Marine Product and Lloyd’s Register Quality Assurance.