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Coaxial gear reducers
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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: 4,000, 3,000, 8,000, 6,000 rpm
Backlash: 0.05, 0.08 rad
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: 4,000, 3,000, 8,000, 6,000 rpm
Backlash: 0.05, 0.08 °
The precision planetary gear units of the GSF series with ground helical gearing and preloaded double taper roller bearings ensure low-noise synchronism due to their immense load carrying capacity and rigidity even under ...
Framo Morat

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 ...

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: 1,800, 1,400 rpm
Power: 1.8 kW - 78.2 kW
Gear ratio: 2.25 unit - 630 unit
... roller • Input flanges in die cast aluminium • Motor flexible coupling • Gears in cemented and hardened alloy steel • Synthetic oil for lifetime lubrication of the gears Plus • Excellent stress ...

Rotational speed: 2,500 rpm - 4,800 rpm
Gear ratio: 3.1 unit - 100 unit
... tempered steel • Bearings with ball roller • Input flanges in die cast aluminium • Gears in alloy or hardened steel • Synthetic oil for lifetime lubrication of the gears Plus • High efficiency • ...

Rotational speed: 75 rpm
Power: 4 kW - 55 kW
... that can increase productivity and reduce the total cost of ownership for the end-user. Key features: Planetary type Coaxial axis orientation Torque up to 10kNm Excavator rotation applications from 2 to 20 ton Other ...
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

Rotational speed: 6,000 rpm
... outdoor use. This advanced powertrain solution uses a two- or three-stage gearbox offering reduction ratios of up to 1:145 to satisfy the widest possible range of needs. The gearbox is coupled with a ...
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

... 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

... 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 ...

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.

... BG Helical gears BF Shaft mount gears BK Bevel gears Product Features • Installation space optimised • Adaptation of IEC standard motors • Adaptation of NEMA standard motors • ...

... , the RV-C gear series reaches exceptional repeat and path accuracy. High precision for diverse application options The gear sets of the RV-C series have an identical design and the same quality characteristics ...
Nabtesco Precision Europe

... precision (hysteresis loss < 2 arcmin). The cycloidal design with a two-stage gear reduction principle minimizes wear – a decisive advantage over conventional planetary gears! The result is low backlash ...
Nabtesco Precision Europe

Rotational speed: 79 rpm
Precision gearboxes - Gearheads with solid shafts Modular gears with comprehensive corrosion protection The precision gears of the new Neco® series have been adapted ...
Nabtesco Precision Europe

Bevel gear with syncronous telescopicspindle 4115.00 Twofold telescopic lifting unit with bevel gear head for various linear drive solutions. Ideal for electromotive sit-stand workplace applications ...

... , hydraulic & IEC motors External gear pair made of casehardened and hardened steel; internal gear made from nitride steel Cylindrical spur gear with ground profile and flank modification GLEASON ...
Rossi S.p.A.

... reduction stages for both coaxial and right angle units Modular design, with multi-optional executions Suitable to be equipped with NEMA, hydraulic & IEC motors External gear pair made of casehardened ...
Rossi S.p.A.

Power: 0.09 kW - 75 kW
Gearboxes and gearmotors with universal fixing casing and reinforced output supporto. Possibility to fit big size motors according to IEC standard and square flanges to match servomotors dimensions. High ...
Rossi S.p.A.

... Universal Differential / Reducer / Multiplier gearbox Single unit to be used when required in transmissions such as: a differential a reducer a reversing box a speed increaser Easy-to-use ...
REDEX Group

... and integral output pinion which are dedicated to rack & pinion applications. KRP+ planetary reducers are the SingleDRIVE components in a family of reducers dedicated to Rack & Pinion and Rotary Table ...
REDEX Group

The KRP+ design is intended for racks and pinions drive applications, and based around using a single unit, or two parallel mounted top quality planetary reducers, installed on the machine's main frame. ...
REDEX Group

... Compact, industry compatible planetary gearbox » High efficiency » Ring gear, planetary carriers and sun wheels made of steel » Output shaft with double ball bearings » All stages have straight toothing Gear ...
Dunkermotoren GmbH

» High efficiency » Output shaft with double ball bearings » All stages have straight toothing Gear ratio - 6.25 : 1 Number of stages:1 Nominal output torque Ncm:70 Max. efficiency - %:90 Max. axial load - N:150 Max. ...
Dunkermotoren GmbH

» Compact, industry compatible planetary gearbox » Output shaft with dual ball bearings » All stages have straight toothing Gear ratio - 4 : 1 Number of stages:1 Nominal output torque Ncm:350 Max. ...
Dunkermotoren GmbH

Rotational speed: 4 rpm - 1,074 rpm
Power: 0.13 kW - 30 kW
Gear ratio: 20 unit - 120 unit
... increases the efficiency of the gearbox a large top cover in light weight aluminium alloy facilitates the inspection Various detachable foot bases in solid cast iron make Robus interchangeable with any other gearbox ...

Rotational speed: 0 rpm - 10,000 rpm
Backlash: 0.02 ° - 0.12 °
Applied for Automation industry field Characteristic: 1. Low Backlash One-stage backlash <1~<5 arcmin Two-stage backlash <3~<7 arcmin 2. High Efficiency One-stage 97%, Two-stage 94%
Sunus Tech Co., Ltd.

Rotational speed: 2,200 rpm - 6,000 rpm
Backlash: 0.02 ° - 0.07 °
... : 1. High positioning accuracy Precision grinding gear, smooth of gear surface, high accuracy of tooth profile. Backlash ≦ 1 arcmin 2. Compact design Shorter than general shaft type reducer, ...
Sunus Tech Co., Ltd.

Rotational speed: 3,500 rpm - 4,000 rpm
... Enclosed Gearbox Specially designed machinery is able to eliminate clearance from the gearbox inner and from between pinions and racks. This completely supplements and clears up the backlash of manufacture ...
Sunus Tech Co., Ltd.

Rotational speed: 3,500 rpm - 6,000 rpm
The low product-weight of the RPS line guarantees high power densities. Thus, the planetary gears of the RPS line are applicable for high torque requirements as for example in axis movements at dynamic operation. Up ...
Ruhrgetriebe KG

... Thus, the planetary gears of the RPS line are applicable for high torque requirements as for example in axis movements at dynamic operation. Up to three planetary stages allow for a large selection of transmissions. Gear ...
Ruhrgetriebe KG

Rotational speed: 4,000 rpm - 8,000 rpm
The very robust design of the RPL line allows for high torsional rigidity. The planetary gears are ideally applicable even at high radial or axial load. hanks to the ratio of i=10 in the first planetary stage, the 2-stage ...
Ruhrgetriebe KG

DATORKER® WUI-S-CO: Gear units without output bearing with hollow shaft
HIWIN GmbH

DATORKER® WUT-S-PO: Gear units with output bearing and shaft intake
HIWIN GmbH

DATORKER® WTI-S-PH: Gear units with output bearing and hollow shaft
HIWIN GmbH

Rotational speed: 6,000, 4,000, 3,000, 2,000 rpm
All KPL planetary gearbox adopt the alloy forged steel as the raw material, the powerful heat treatment, the latest helical gear design, full needle roller bearings, and global top level gear ...
KOFON Motion Group

Rotational speed: 6,000, 3,000, 8,000, 2,000, 4,000 rpm
All KPX planetary gearbox adopt the alloy forged steel as the raw material, the powerful heat treatment, the latest helical gear design, full needle roller bearings, and global top level gear ...
KOFON Motion Group

Rotational speed: 300, 6,000 rpm
All KPE planetary gearbox adopt the alloy forged steel as the raw material, the powerful heat treatment, the latest helical gear design, full needle roller bearings, and global top level gear ...
KOFON Motion Group
Your suggestions for improvement:

An in-line reducer has coaxial input and output shafts. Any type of reducer, even those with perpendicular input and output shafts (worm, bevel, etc.), can be made coaxial by the addition of a transfer gear. However, planetary gear reducers are favored in applications requiring an in-line arrangement since they are coaxial by design.
TechnologiesAll varieties of gear reducer are possible: worm, bevel, planetary, helical, cylindrical, etc.
How to chooseChoice will depend on the speed and torque of both the input and output shafts. These data will determine the gear ratio.
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