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Power: 1.5 kW - 925 kW
Gear ratio: 22.4 unit - 355 unit
... industrial gear unit is available as a three- and four-stage helical gear unit. The housing design succeeds follows the proven UNICASE housing principle and has been specially optimised for external loads. ...
Getriebebau NORD GmbH & Co. KG
Power: 22 kW - 2,100 kW
Gear ratio: 6.3 unit - 22.4 unit
... achieve maximum thermal limit powers with axial fan • Low running noise The two-stage right-angle gear version of the MAXXDRIVE® XT industrial gear unit is manufactured according to the proven UNICASE ...
Getriebebau NORD GmbH & Co. KG
Power: 1.5 kW - 2,150 kW
... noise The right-angle gear version of the MAXXDRIVE® industrial gear unit is manufactured according to the proven UNICASE housing principle and is available in all sizes. Various sealing options enable ...
Getriebebau NORD GmbH & Co. KG
Rotational speed: 2,800 rpm
Power: 27 kW
... selection of planetary gear drives to meet the needs of your design. Each series provides unique benefits that have been developed through years of design research and practical application. You can count on Funk planetary ...
JOHN DEERE POWER SYSTEMS
Rotational speed: 2,800 rpm
... selection of planetary gear drives to meet the needs of your design. Each series provides unique benefits that have been developed through years of design research and practical application. You can count on Funk planetary ...
JOHN DEERE POWER SYSTEMS
Rotational speed: 2,800 rpm
Power: 35 kW
... selection of planetary gear drives to meet the needs of your design. Each series provides unique benefits that have been developed through years of design research and practical application. You can count on Funk planetary ...
JOHN DEERE POWER SYSTEMS
maxon GPX gearheads combine extremely high power transmission with a very short construction. High torques and speeds, low noise and backlash… the maxon GPX 08 has virtually every quality that could be required of a gearhead. ...
maxon
maxon GPX gearheads combine extremely high power transmission with a very short construction. The modular design provides the basis for a customer-specific solution. The use of metal components makes a wide range of applications ...
maxon
maxon GPX gearheads combine extremely high power transmission with a very short construction. The modular design provides the basis for a customer-specific solution. The gearhead's ceramic components make it suitable ...
maxon
Rotational speed: 3,500 rpm
HG ISO9409 Flange Mount Gearheads (37)Harmonic Gearheads offer true zero backlash, high reduction ratios of 50/80/100/120:1, and high load capacity in a very compact package. They utilize the best cross ...
Rotational speed: 8,000 rpm
Backlash: 1.5, 3 °
A combination of our B16 spur gearheads with our brush DC coreless motors provides a single, factory-integrated solution for demanding, high-efficiency applications. Due to its spur compound geartrain arrangement, it ...
Portescap S.A.
Rotational speed: 8,000 rpm
Backlash: 1.5, 3 °
A combination of our B16 spur gearheads with our brush DC coreless motors provides a single, factory-integrated solution for demanding, high-efficiency applications. Due to its spur compound geartrain arrangement, it ...
Portescap S.A.
Rotational speed: 8,000 rpm
Backlash: 3, 1.5 °
... below - High-precision performance at a competitive price point - Reduction ratio of 22:1 to 3280.5:1 - Reduction gearhead with spur gears and planetary output - Rated torque 0.2 Nm - Compact design - ...
Portescap S.A.
Rotational speed: 1,400, 1,800 rpm
Power: 0.5 kW - 24.9 kW
Gear ratio: 5.1 unit - 100 unit
... flanges in die cast aluminium • Motor flexible coupling • Gears in cemented and hardened alloy steel • Support hub in grey cast iron • Synthetic oil for lifetime lubrication of the gears • RCA oil ...
VARVEL
Rotational speed: 1,400, 1,800 rpm
Power: 0.5 kW - 12.5 kW
Gear ratio: 5.1 unit - 100 unit
... flanges in die cast aluminium • Motor flexible coupling • Gears in cemented and hardened alloy steel • Support hub in grey cast iron • Synthetic oil for lifetime lubrication of the gears • RCA oil ...
VARVEL
Rotational speed: 1,800, 1,400 rpm
Power: 0.5 kW - 24.9 kW
Gear ratio: 25 unit - 800 unit
The RA Series of worm gearboxes are characterized by the coupling between a RS Series’ gearbox and a XA Series’ pre-stage, in order to achieve higher reduction ratios than those achievable with a single ...
VARVEL
... drives in tracked and wheeled vehicles Two- or three-stage planetary gearbox Can be combined with Rexroth’s extensive line of motors Perfect matching of the gearbox ratio with the hydraulic ...
Bosch Rexroth - Mobile Hydraulics and Electronics
Rotational speed: 75 rpm
Power: 4 kW - 55 kW
700TE Series Swing drive for electric mini-excavators Description: The compactness of Bonfiglioli slew and track drives for 1 to 6 ton mini-excavators ensure the direct replacement of hydraulic gearmotors. High performance, including ...
Bonfiglioli
Power: 980 kW
3/H Series Combined Planetary/Helical Bevel Heavy Duty Gear Units The Bonfiglioli 3/H Series combines the high torque density of planetary gear units with the robustness and high-speed operation of the ...
Bonfiglioli
... solutions precisely match the application requirements. Main options Dynamic & service brake Torque range 3,000 ... 85,000 Nm Gear ratios 4.3 ... 153 Input speed up to 4,000 rpm Brake options Hydraulically released parking ...
Bonfiglioli
... steel input gears as well as a modified lubrication are available for applications requiring very high torque, vacuum, or higher temperature compatability. For applications requiring medium to high torque FAULHABER ...
FAULHABER Drive Systems
Spur Gearheads and Spur Gearheads zero backlash FAULHABER offers a special version of a spur gearhead with zero backlash. The backlash is reduced to a minimum by counter-rotating the ...
FAULHABER Drive Systems
... drive train since the choice of the right gearbox allows for a smaller motor and thereby increases the economic efficiency of the entire drive train. Metal planetary gearbox FAULHABER metal planetary ...
FAULHABER Drive Systems
Bondioli and Pavesi's Custom Gear Reducers are generally utilized for applications that involve the design and manufacturing of gearboxes and power transmission systems. These reducers ...
... torque is required. Gearhead (Our standard has a 1/4 to 1/3,000 gear ratio) is put on the motor then makes gear motor to realize required specification. Citizen Micro has around 3,000 ...
Citizen Micro Co., Ltd.
... torque is required. Gearhead (Our standard has a 1/4 to 1/3,000 gear ratio) is put on the motor then makes gear motor to realize required specification. Citizen Micro has around 3,000 ...
Citizen Micro Co., Ltd.
... torque is required. Gearhead (Our standard has a 1/4 to 1/3,000 gear ratio) is put on the motor then makes gear motor to realize required specification. Citizen Micro has around 3,000 ...
Citizen Micro Co., Ltd.
Power: 0.12 kW - 55 kW
Gear ratio: 3 unit - 3,700 unit
The robust helical gearboxes are characterized by high permissible radial forces, closely stepped ratios and low backlash. Highlights - Fine-scaling of size/torque for an optimum machine adaptation - Shaft dimensions ...
Lenze SE
The BR series gear operators are manufactured from high quality cast aluminium bronze and stainless steel materials.They are designed for extended life operation of valves in corrosive man hole and vault steam distribution ...
Rotork
Quarter-turn cast iron gearbox suitable for use with fire protection (i.e. sprinkler) systems, includes limit switches to be incorporated into a supervisory electrical circuit. Designed and tested specifically to meet ...
Rotork
Dual Speed Input Reducer The Dual Speed Input Reducer is used to reduce the number of input turns required, and therefore the operating time, on manual gearbox applications. It can ...
Rotork
... years of commercial success achieved by DANA planetary gearboxes testify to their excellent quality and reliability, simple installation and limited maintenance. DANA’s industrial planetary gearboxes ...
Brevini Power Transmission
Multi-turn gearboxes GP in combination with SA multi-turn actuators act as multi-turn actuators with higher output torques. They are typically used with stem gates and wedge gate valves. Due to their compact design, these ...
AUMA
Rotational speed: 13 rpm - 136 rpm
Power: 0.04 ch - 0.33 ch
Capable of adapting to a number of input motors, these versatile reducers can handle a wide range of applications. Available to handle a shaft input and a NEMA 42C flange input.
BISON
Rotational speed: 18,000, 7,000, 13,000, 5,500, 6,500 rad.min-1
... planetary gearheads are available in 40-155mm frame sizes and offer high torque, low backlash, high input speeds and a small package size with an excellent price/performance ratio. The PE-series planetary gearbox ...
Rotational speed: 3,000, 4,000, 6,000, 8,000 rpm
The low-backlash planetary gearheads of the GSA series are designed for high positioning accuracy and highly dynamic cycle operation. Ground, helical toothed precision components inside the gear ensure ...
Framo Morat
Rotational speed: 3,000 rpm - 10,000 rpm
... high performance in combination with low backlash and high precision. Helical gears ensure a minimum noise level and smooth running. The robust, one-piece housing improves the gear rigidity and enables ...
Framo Morat
Rotational speed: 8,000, 3,000, 4,000, 6,000 rpm
... drive technology. This expertise is the foundation of our planetary gear series. We place great importance on your flexibility in the configuration and application of our planetary gears. Being faithful ...
Framo Morat
High performance worms using a drum-shaped troidal worm provides high transfer capacity and high efficiency. Two mounting styles are available: foot mount and on-shaft flange mount. Ensures ultimate compactness and weight saving for ...
Tsubakimoto Chain
Redesigned to achieve further energy savings through improved performance and efficiency, easier to use due to the case integrated with the foot and a center distance in just mm dimensions.
Tsubakimoto Chain
Uses a dedicated case for on-shaft and flange mounting with the same well-balanced worm as the EW Series, contributing to equipment simplification. In addition to a selection between solid and hollow output shafts, Power-Lock and taper ...
Tsubakimoto Chain
Rotational speed: 1,900 rpm
Power: 1,864 kW
Applications Well Servicing Overview: Purpose Built The Cummins QTR Series transmission has been purpose built to meet the harsh working environment of the oil and gas market. Long hours and unforgiving conditions guarantee only ...
... backlash planetary gearboxes for high acceleration torques. The coaxial gearboxes are suitable for universal use thanks to their particularly compact design, symmetrical construction and adaptable motor ...
VOGEL
The gearheads has asynchronous motors that can be integrated with gearheads and considering that there are a wide array of ratios available. The parallel shaft gears promises simple ...
Rotational speed: 9,000 rpm
... economy segment with low to medium requirements for positioning accuracy, the CP planetary gearbox do not fail to impress. The key benefits offered by the gearboxes are high flexibility combined with ...
WITTENSTEIN SE
Gear ratio: 3 unit - 110 unit
Single-stage worm gear unit for restricted installation spaces. Highly flexible in use. Available with or without electric motor. Key facts: - Nominal torques: up to 4.7 Nm - Available ratios: i = 3, i = 7, i = ...
Ruhrgetriebe KG
Rotational speed: 5 rpm - 260 rpm
Backlash: 0.16 °
Gear ratio: 49, 15, 24 unit
... terms that are shaping this decade and will take on an ever increasing role in the production systems of the future. With ENEX gear units and gearmotors, we provide drive components that can meet future requirements ...
Ruhrgetriebe KG
The right drive solution for every challenge: Experience our new modular worm gear, which offers a variety of mounting options and can therefore be adapted to all your needs. With the preconfigured basic components ...
Ruhrgetriebe KG
Gear ratio: 3 unit - 100 unit
Axially space-saving, economical, IP65-compliant and designed for high radial and axial forces at the output: The WPLHE combines all the advantages of the successful PLHE, the world‘s first combination of the Economy and Precision gearboxes, ...
Neugart GmbH
The PLE is perhaps the basis of our success. It is notably light, extremely powerful, yet suitable for complex production cycles due to its low-friction bearing design and optimized lubrication. A genuine powerhouse at an attractive, fair price.
Neugart GmbH
Our PLQE is uncomplicated and powerful. It can be connected directly to your installation without the need for an intermediate flange. The large deep groove ball bearing at the output can absorb large axial and radial forces. In the process, ...
Neugart GmbH
A gear reducer is a gearing assembly that can reduce rotational speed while increasing torque in a mechanical system, or increase speed while reducing torque (in which case it is called a multiplier).
ApplicationsThese devices are extremely common in a wide range of mechanical transmission applications, including automobile and motorcycle transmissions, in machine tools, variable speed drives and gear motors.
TechnologiesThere are four basic types of gear reducer:
- Straight (or straight sprocket, with straight-cut or cylindrical teeth)
- Worm gear (worm and wheel), with straight or helical teeth
- Bevel gear, with straight or helical teeth
- Planetary (epicyclic) gear
The term helical refers to tooth profile. Helical teeth can be found on any gear type. Note that in a rotating mechanism, speed and torque are inversely proportional.
Choice of gear reducer will depend on the speed and torque of both the input and output shafts. These data can be used to calculate the reduction ratio. Another factor is the relative orientation of the input and output shafts: coaxial, parallel, perpendicular, convergent or not.
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