Input Power | : | 0.06~15 kW |
Max. Torque | : | Up to 1760 N.m |
Input Speed | : | 3000, 1500, 1000, 750 r/min |
Ratio | : | 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 (i) |
Gearsets | : | Hardened gears |
Output Design | : | Shaft or flange |
Mounting Methods | : | Foot, flange or Torque mounted |
Available Models | : | NMRV, NRV, NMRV+NMRV, NMRV+NRV |
Housing Material | : | Aluminum Alloy or cast iron |
Brand Bearing | : | C&U, NSK, SKF, FAG |
Cooling Methods | : | Natural cooling |
NMRV/NRV Series Worm Gearbox
Rated Power: 0.06~15 kW
Rated Torque: Up to 1760 N.m
Rated Ratio: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Gear Arrangement: Worm Wheel & Worm Shaft
Shafts Position: Right Angle
Mounting Methods: Flange, Foot, Torque Arm Mounted
Housing: Aluminum Alloy or Cast Iron
Housing
Die-cast Aluminum Alloy Gearbox: NMRV025~NMRV090
Cast Iron Gearbox: NMRV110~NMRV150
Worm Wheel
Wearable Tin Bronze Alloy, Aluminum Bronze Alloy
Worm Shaft
20Cr Steel, carburizing, quenching, grinding, surface hardness 56-62HRC, 0.3-0.5mm remaining carburized layer after precise grinding
Spare Parts
Worm Shaft Tail Extension, Single Output Shaft, Double Output Shaft, Output Flange, Torque Arm, Dust Cover
Models
NMRV – Hollow Shaft Input with IEC-normalized Motor Flange
NMRV025~NMRV150
NRV – Solid Shaft Input
NRV025~NRV150
NMRV+NMRV
NMRV+NRV
Input Design
Equipped with Electric Motors
Worm Shaft Tail Extension Input
IEC, GOST, NEMA Motor Flange
Output Design
Keyway Hollow Shaft Output
Hollow Shaft with Output Flange
Plug-in Solid Shaft Output
Available Drive Motors
General Motors of 1 Phase or 3 Phase AC
Brake Motors
Variable Frequency Variable Speed Motors
Variable-pole Multi-speed Motors
Explosion-proof Motors
Permanent Magnet Motors
DC Motors
Servo Motors
Brushless Motors
Other Motors
Available Mounting Methods
Flange Mounted
Foot Mounted
Torque Arm Mounted
Painting
Aluminum Alloy Gearbox
After Shot Blasting, Anticorrosion Treatment and Phosphating, Paint with the
Color of RAL 5010 Gentian Blue or RAL 7035 Light Grey
Cast Iron Gearbox:
After Painting with Red Antirust Paint, Paint with the Color of RAL 5010
Gentian Blue
Customized painting colors allowed
Features
Compact structure, modular design
High transmission efficiency up to 95%
Light weight, rustproof, low noise, high precision
Standard parts and very flexible for shaft configurations and motor flange interface
Variable reduction ratio allowed
Variable driving power allowed
Variable mounting method allowed
High performance, high safety factor, energy-saving, small vibration, big torque and long working life
Service Conditions
Ambient Temperature: -25~40°C
Altitude: 1000 m.a.s.l
Working Duty: S1(Continuous)
Humidity: ≦90%
Cooling Method: Natural Cooling
Lubrication:
Grease Lubrication
Oil-bath and Splash Lubrication
(The lubrication should be heated above 0°C, if temperature of machine is below 0°C when it start working)
Application
Waste water treatment
Dredgers
Metal working mills
Conveyors
Cranes
Mixer
Crusher
Cooling towers
Paper machine
Cableways
Cement industry
Petroleum industry
Textile machinery
Food machine
Power machine
Construction machine
Metallurgy machine
Cement machine
Water conservancy industry
Chemical machine
Mining machine
Transportation machine
Rubber machine
Other machines and industries
Model |
Rated Power |
Rated Ratio |
Input Hole Dia. |
Input Shaft Dia. |
Output Hole Dia. |
Output Shaft Dia. |
025 |
0.06~0.12 kW |
5~60 |
Φ9 |
Φ9 |
Φ11 |
Φ11 |
030 |
0.06~0.25 kW |
5~80 |
Φ9, Φ11 |
Φ9 |
Φ14 |
Φ14 |
040 |
0.09~0.55 kW |
7.5~100 |
Φ9, Φ11, Φ14 |
Φ11 |
Φ18, Φ19 |
Φ18 |
050 |
0.12~1.5 kW |
7.5~100 |
Φ11, Φ14, Φ19 |
Φ14 |
Φ25, Φ24 |
Φ25 |
063 |
0.18~2.2 kW |
7.5~100 |
Φ14, Φ19, Φ24 |
Φ19 |
Φ25,Φ28 |
Φ25 |
075 |
0.25~4.0 kW |
7.5~100 |
Φ14, Φ19, Φ24, Φ28 |
Φ24 |
Φ28, Φ35 |
Φ28 |
090 |
0.37~4.0 kW |
7.5~100 |
Φ19, Φ24, Φ28 |
Φ24 |
Φ35, Φ38 |
Φ35 |
110 |
0.55~7.5 kW |
7.5~100 |
Φ19, Φ24, Φ28, Φ38 |
Φ28 |
Φ42 |
Φ42 |
130 |
0.75~7.5 kW |
7.5~100 |
Φ24, Φ28, Φ38 |
Φ30 |
Φ45 |
Φ45 |
150 |
2.2~15.0 kW |
7.5~100 |
Φ28, Φ38, Φ42 |
Φ35 |
Φ50 |
Φ50 |
Notes:
Customized input & output shaft and hole size allowed.
Thanks for your supporting. We will back to you with solution after you leave your requirements and contacts.