Dependable Gearboxes
At NGC, our goal is to maximize your plant’s uptime. Designed to withstand extreme working conditions, our products are certified to not only be durable, but dependable as well. We understand the challenges you face as gearboxes continue to be one of the main cost factors in the industry. With an easy buying process, cost-effective prices, easy installation and low maintenance, it is no question that NGC gearboxes and services will guarantee a return on investment.
Don’t see a gearbox you need? We are one of a few companies that offer customized solutions to meet your exact requirements. Together, let’s keep your plant running at maximum productivity.
Downloadable Resource
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Side Drive Gearboxes
- Design
- 2 types
- Transmission Stages
- 1 (parallel gears)
- Range of Ratio
- up to 7.1
- Rated Power
- 200 – 5,000 kW
NGC specially configures high-performing MBY, MBYX gearboxes as the primary side drive gearbox for tube mills and the auxiliary drive device is connected to the other side. The small gear on the girth gear of the tube mill is connected through a dual connection coupler to adjust the small gear.
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Center Drive Gearboxes
- Design
- 2 types
- Sizes
- 33
- Transmission Stages
- 2 or 3
2-stages (power split structure)
3-stages (parallel gears + power split structure) - Range of Ratio
- up to 100
- Rated Power
- 800 – 8,000 kW
Because of their large power capacity needed for center drive gearboxes MFY and MFYT, NGC’s power shutting systems are effective in this application. The auxiliary drive device is installed at the rear side of the main motor or arranged between the main motor and the main gearbox.
For the latest generation of Planetary Center Drives, please see NGC’s Modular Planetary Gearboxes.
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Planetary Center Drives
- Design
- 2
- Transmission Stages
- 2 or 3
1st stage: parallel gears (configured according to specific requirements)
+ 2 nd stage: planetary gears
+ 3rd stage: planetary gears - Range of Ratio
- up to 125
- Rated Power
- 1,250 – 10,000 kW
Different from MFY/MFYT centrer drive gearboxes, NGC’s planetary gearboxes for tube mills, ZX and FZX, adopt a planetary drive structure. The compact design and the larger power capacity compared to the center drives make the ZX and FZX gearboxes very effective in special applications.
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Single-Side Double Drive Gearboxes
- Design
- 1 type
- Transmission Stages
- 3 – power split structure with parallel gears
- Range of Ratio
- up to 15
- Rated Power
- 1,250 – 10,000 kW
Innovatively designed, NGC’s MSBY girth gearboxes can drive the tube mill through the girth gears. The main motor is connected to one side of the input shaft of the gearbox, whereas the auxiliary drive device is connected to the other side. The gearbox forms a unit with the girth gear, and is directly meshed and driven through the girth gear. Thus, this gearbox solution requires less parts, which in turn means that it requires less space, so that installation and operation costs are reduced.
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Vertical Mill Gearbox
- Design
- 3 types
- Transmission Stages
- 2 or 3
2-stages (1 bevel, 1 planetary gear stage)
3-stages (1 bevel, 1 parallel, 1 planetary gear stage OR 1 bevel, 2 planetary gear stages) - Range of Ratio
- 20 – 60
- Rated Power
- 80 – 9,000 kW
NGC’s vertical mill gearboxes of the MLX, MLXD, MLXSS Series are designed to withstand high torque and extreme conditions. These rugged gearboxes are essential to transmit power, reduce the rotating speeds, and supporting the mill’s millstone. They require high power rating and an extremly high availablility. Higher axial and partical radial forces during the grinding process are transmitted to the mill foundation through thrust bearing and its housing.
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Roller Press Gearboxes
- Product Group
- MPG
- Transmission Stages
- 2 or 3
2-stages (2 planetary gear stages)
3-stages (1 parallel, 2 planetary gear stages) - Range of Ratio
- up to 125 (configuration according to specific requirements)
- Rated Output Torque
- 100 – 5,800 kNm
Roller press gearboxes of the MPG Series rotate in two opposite directions, so that small, dry particles are crushed into powder or uniform shapes. Extremely high pressure needs to be generated. Customers therefore should decide on a very powerful and reliable gearbox. NGC roller press gearboxes are running very stable. Housing and planetary carriers are optimally designed by FEM. Deformations during the operation processes are very low. Additionally, those gearboxes are facing a compact design, so that less installation space is needed. They fit in almost any space.
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