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NMRV WORM GEAR BRAKE MOTOR

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NMRV Worm Gear Motor

NMRV Worm Gear Motor Specification

Horse Power
0.25 HP to 10 HP

Power Rating
0.18 kW to 7.5 kW

Motor Type
Induction Motor coupled with Worm Gear

Starting Type
Direct on Line

Noise Level
<55 dB

Voltage
220V / 380V / 415V AC

Torque
8 Nm to 1500 Nm (based on model/ratio)

Rated Voltage
220V / 380V / 415V

Rated Frequency
50 Hz / 60 Hz

Bearing Type
Double Sealed Ball Bearings

Poles Number
2, 4, 6 poles options

Efficacy
IE1 / IE2

Standard
IEC, IS

Ambient Temperature
-10C to +40C

Features
Compact design, corrosion resistance, high torque, easy installation

Cooling Method
Fan Cooled

Pressure
Standard atmospheric pressure

Sealed Type
Grease-packed, sealed

Current Type
AC

Product Type
NMRV Worm Gear Motor

Output Power
0.18 kW to 7.5 kW (varies by model)

Frequency (MHz)
50 / 60 Hz

Protect Feature
Totally Enclosed Fan Cooled (TEFC)

Phase
Single Phase / Three Phase

Speed
14 to 200 rpm (output speed, depends on ratio)

Power
0.18 kW to 7.5 kW

Color
Blue (Gearbox) & Silver (Motor)

Dimension (L*W*H)
Varies by size and output requirement

Weight
5 kg to 40 kg (approx., model dependent)

Shaft Diameter
14mm to 40mm (model dependent)

Mounting Type
Foot Mounted / Flange Mounted

IP Rating
IP55

Service Factor
1.0 to 1.5 (depending on application)

Body Finish
Powder coated for corrosion resistance

Lubrication
Synthetic oil, grease-packed

Design Life
Up to 20,000 hours under standard operating conditions

Enclosure Material
Aluminium/ Cast Iron

Insulation Class
Class F

Output Flange
Standardized for Easy Integration

Transmission Type
Worm

Gear Ratio Options
7.5:1 to 100:1

Mounting Position
Horizontal/Vertical

Thermal Protection
Optional

Vibration Level
Low

Efficiency at Full Load
Up to 89%

About NMRV Worm Gear Motor

NMRV Worm Gear Motor Flange Mounted Description

The NMRV Worm Gear Motor Flange Mounted is a compact, efficient, and versatile drive solution designed for smooth power transmission in industrial applications. This motor integrates a robust AC motor with a high-performance NMRV worm gearbox, offering high torque output, low noise, and reliable performance.

With its flange-mounted design, it ensures easy installation, precise alignment, and space-saving configuration, making it ideal for applications where direct coupling to machinery is required. Manufactured using high-strength aluminum alloy housing and hardened worm gears, it provides excellent durability, heat dissipation, and long service life.

The flange-mounted NMRV worm gear motor is widely used in conveyors, packaging machines, textile machinery, hoists, cranes, and automation equipment. Its high reduction ratios, compact size, and maintenance-free operation make it a preferred choice for modern industrial systems.

Key Features and Advantages

The NMRV Worm Gear Motor boasts a compact and robust construction, providing high torque transmission and easy installation. Standardized output flanges enable straightforward integration, while double-sealed ball bearings ensure smooth, quiet operation (<55 dB). With IP55 protection and powder-coated finishes, these motors deliver reliability in diverse industrial environments. Flexible mounting options and compatibility with IEC standards further broaden application possibilities.

Precision Engineering and Long Service Life

Built for demanding conditions, the NMRV Worm Gear Motor delivers up to 20,000 hours of design life under standard operation. The grease-packed, sealed enclosure combines with a fan-cooled system for optimized thermal performance. Aluminum or cast iron construction, coupled with quality synthetic lubrication, reduces maintenance needs and prolongs operational lifespan.

FAQ's of NMRV Worm Gear Motor:

Q: How do I choose the appropriate gear ratio and output speed for my application?

A: Select the gear ratio based on your desired output speed and torque, considering ratios from 7.5:1 to 100:1. Lower ratios provide higher speeds with less torque, while higher ratios deliver more torque at reduced speeds. Match these parameters to your equipment's requirements for optimal performance.

Q: What are the benefits of aluminium versus cast iron enclosures in these gear motors?

A: Aluminium enclosures offer lighter weight and superior heat dissipation, making them ideal for compact installations or where cooling is a priority. Cast iron provides higher strength and robustness in demanding mechanical environments. Both options are powder coated for enhanced corrosion protection.

Q: When is thermal protection recommended for NMRV Worm Gear Motors?

A: Thermal protection is advisable in scenarios with frequent stop-start cycles, variable loads, or elevated ambient temperatures. This feature helps prevent motor overheating, safeguarding the gearbox and motor components for extended service life.

Q: Where can I mount the NMRV Worm Gear Motor for my application?

A: These motors are engineered for flexible installation and can be mounted in both horizontal and vertical positions. Standardized flange and foot mounting options are available, enabling integration into a range of industrial machinery and automation setups.

Q: What maintenance process does the NMRV Worm Gear Motor require?

A: Thanks to sealed, grease-packed design and synthetic lubrication, these motors require minimal routine maintenance. Periodic visual checks are recommended for mounting integrity and enclosure condition. The long-life bearings and high-quality finishes reduce the necessity for frequent servicing.

Q: How does the Totally Enclosed Fan Cooled (TEFC) feature benefit the motor?

A: The TEFC design prevents contaminants like dust and moisture from entering the motor while allowing efficient cooling via an external fan. This safeguard enhances reliability and extends operational life, even in harsh or dusty industrial environments.

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