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Brevini’s slewing drives are an essential component in keeping weight and size to a minimum on equipment such as tower cranes, wind turbines, aerial platforms, discharge booms and excavation and construction equipment.
Their planetary structure means that they can withstand very high torque values while maintaining reduced dimensions, reduced weight and high efficiency. The wide range of ratios available enables the selection of a motor size and type which best suits users requirements: hydraulic, electric, pneumatic.Simple mounting, operating reliability and versatility make these units suitable for the most severe duties and environments.
Brevini produces the slewing drives also in gearmotor version, with integrated hydraulic motor and brake, specifically designed for mini-excavators and light duty machines.
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Shanghai SGR Heavy Industry Machinery Co.,Ltd. is one well-known manufactory in China. This company is specialized in producing all kinds of gearboxes and gear motors.
SGR slewing drives also in gearmotor version, with integrated hydraulic motor and brake, specifically designed for light duty machines.
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Planet-Gears for our 2-Phase-Step Motors and 5-Phase-Step Motors. Several sizes and combinations with the Step Motor series HECM, SECM and ECM.
- centered Output-Shaft
- less backlash
- Gear-Ratio from: i = 3 up to 1000
- max. Output-Torque from: 3 Nm up to 105 Nm
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Planetary Gearboxes
Fully assembled option with:
– MDrivePlus
– NEMA rotary motors
Planetary gearboxes can increase motor torque at lower speeds, enable better inertia matching, and produce finer positional resolutions.
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WHEEL DRIVES
Compact planetary wheel drives, designed for a wide range of self propelled vehicles with hydraulic transmission and individually motorised wheel drives.
They allow design engineers to simplify the project of mobile equipment, improving the price / performance ratio. The wide range of ratios available makes it possible to adapt the reduction unit to the most suitable hydraulic transmission. A manual release is provided, to disconnect the reduction unit from the motor for emergency towing. The versatility of this range of Brevini products is assured by a wide choice of braking systems (drum brakes, negative acting multiple disc, failsafe parking brake).
TRACK DRIVES
Compact planetary track drive units designed for use on tracked vehicles. This range of gearboxes has high strength structure, short overall length, very high radial and axial load capability. All the gearboxes are provided with integral multidisc failsafe brake and allow the direct mounting of hydraulic motors at the gearbox input.Due to the high torque rating and the quality of the materials, these units are the best solution in heavy duty applications.
Brevini produces the track drives also in gearmotor version, with integrated hydraulic motors.
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Available for reducer, swing, and track applications, this reducer planetary gear drive is rated at a maximum input of 185 hp (138 kW). Whether you need reducer drives, swing drives, or track drives, you can count on Funk™ to deliver durability, performance, and superior engineering.
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Servo-gearboxes
SRP : High-Tech Planetary Reducer
SRP is not just another simple planetary gearbox but a true integrated concept, including several functions combined together to offer a complete sub-assembly to the most demanding machines.
Featuring :
- A high-tech output tapered roller bearing assembly
- A high-tech planetary gear train, based on REDEX’s differential know-how
- A ready-to-use universal range of motor interfaces (flanges and shaft adapters)
- A high quality spiral bevel gear box (option)
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Series P high precision inline planetary servo drive will satisfy your most demanding automation applications.
The compact, cube design, universal housing with precision bearings and precision honed planetary gearing provides high torque density while offering high positioning performance. Series P offers exact ratios from 3:1 through 40:1 with the highest efficiency and lowest backlash in the industry.
High Performance
* Precision honed planetary gearing offers high torque capacity and high efficiency.
* Lowest noise levels in the industry, as low as 58dB(A)
* High precision with backlash less than 3 arc minutes
* Permanently lubricated with synthetic grease at the factory, lifetime-sealed housing with IP65 protection
* 20,000 hour life rating, accepts input speeds to 10,000 rpm
* Patented clamping arrangement provides error free motor mounting
Product Specifications
* Case Sizes:70, 90, 115, 142 and 190
* Output Torque: Up to 1800 Nm (15,900 lb.in.)
* Gear Ratios: Up to 100:1 in two stages
* Input Options: Fits any servo motor
* Output Options: Solid shaft, no key
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Today's servo motors have been designed to provide higher
torque and greater dynamic performance to a growing number
of industries and applications. Consequently, the demands on
the gearbox have become equally as challenging. Dynamic
performance, backlash and torsional stiffness are all crucial to
the system.
Onvio’s revolutionary, modular approach to gearbox design has
resulted in three unique families of products that offer the right
performance and value for any application. The modular concept
allows Onvio to provide complete OEM solutions quickly and
economically. Whether your application requires a custom housing,
special finish, integrated servo motor or a completely custom
gearbox, let Onvio’s team of engineers work for you.
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Gearboxes
The GBX servo gearbox family has been designed for direct attachment to servomotors. It is a high precision low backlash servo gearbox for industrial automation applications.
The GBX-AB-Series and the cost effective GBX-AE-Series are helical planetary gearboxes. They are designed for continuous (S1) or cyclic (S5) duty operation. Both the GBX-AB and GBX-AE families have inline shaft and right angle models.
Key Features
* Five Year Warranty!
* Stainless Steel construction
* Mount in any position: Synthetic gear grease
* 7 Frame sizes: from 42 mm - 235 mm
* Other Models available for drop in replacement of competitor products
* Output torque: 14 Nm - 2000 Nm (124 in-lb – 17,700 in-lb)
* High Input speeds up to 10,000RPM (depending on application)
* Easy mount: Standard Metric and Nema frames with simple mounting adapters
* Low noise: 56 dB - 74 dB, depending on model
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Technical data - planetary gearbox:
Type: MPR, MPRN
- Size: 00, 01, 02, 03, 04, 05
- Ratio: 3 - 100
- Output torque: 1000 Nm
- Lubrication: Oillubrication
Type: MPV
- Size: 00, 01, 02, 03
- Ratio: 3 - 100
- Output torque: 360 Nm
- Lubrication: Greaselubrication
Type: MPG
- Size: 00, 01, 02, 03, 04, 05
- Ratio: 3 - 100
- Output torque: 1000 Nm
- Lubrication: Oillubrication
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The low-speed hydraulic motor and secondary planetary gearbox of the PLM 7 and PLM 9 models make up a compact and powerfull unit. This all-in-one system together with filter, cooler, fan and cable harness, is an outstanding apparatus, requiring very little space for installation, but still providing excellent output and a long service life
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Planetary reduction gear units, with rotating outer casing, designed to be fitted into the winch drum.
On the input side, they are equipped with a multidisc failsafe brake. These winch drives give the freedom to design the rope drum and frame of any size and to incorporate any special features required.
The driving motors, electrical or hydraulic, are fitted on the input side through the Brevini universal flange system.
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Rotating case gearboxes, complete with static negative disc brakes, offer the best of both our planetary gearboxes and hydraulic lifting winches. Nominal output torque values range from 4.000 Nm to 50.000 Nm.
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- 3 sizes
- 2 output variants (output flange, output shaft)
- Gear ratios 4 to 10 (single-stage)
- Max drive speed (min-1) up to 6,000
- Rated torque up to 330 Nm
- Acceleration torque up to 550 Nm
- Circumferential backlash < 6 arc min (optional < 3, < 1)
The PPG precision planetary gear is characterized by three major design advantages:
PPG load compensation ensures minimized friction for smooth running and for outstandingly high synchronizing, and last but not least, a long service life.
The PPG compensating coupling has a unique, space-saving angle error compensation feature. The low mass moment of inertia ensures high motive response. The coupling operates without backlash, with high rigidity and has length compensation.
The friction optimized PPG seals ensure a lower starting inertie.
The thermal load limit is very high due to low friction losses.
Applications:
- Gantry robots
- Positioning systems for robots
- Automating production
- Manufacturing semiconductors
- Machine tools
- Loading/unloading machines
- Packaging machinery
- Woodworking
- Medical equipment
- CCTV
- Vending machines
- Measuring machines
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Candy “ACCU-GEAR” series is a precision planetary gearbox that is designed to maximize output torque with consistent accuracy. When an application requires a servo reducer you want Candy’s “ACCU-GEAR”, because it can perform daily with zero backlash, consistent repeatability, at high speed, and has the maximum life.
The helical gear design for maximum gear-to-gear tooth contact enables movement of large loads. The unit runs quiet and smooth at high torque and at low backlash.
The ACCU-GEAR units are crafted with high quality gears, bearings, and metallic alloys to maintain long life and high precision. This makes Candy’s ACCU-GEAR reducer the number one choice for OEM machine applications in Packaging, Printing, Converting, Pharmaceutical, Medical, Food, Farming, Robotics, and R&D.
The synthetic grease (NYOGEL 792D) filled units can be mounted in all directions and has an IP65 rating for wash down environment. Further each unit comes with a 5-year warranty!
Principal of Operation
Servo reducers are design to increase output torque of a servo motor without sacrificing the desired performance of the servomotor. The reducer needs to be stiff, come close to zero backlash, and perform at the desired speed and torque.
The planetary design concentrates maximum contact between gear teeth of three independent helical gears with a center load gear. The gears are tempered for wear-resistance and core hardness.
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MIJNO PRECISION GEARING has designed and manufactured planetary gearheads and gearboxes for more than 25 years and is one of the World leaders. Our expertise has earned the trust of robotic, military, medical, aerospace and nuclear industries. We offer the widest variety of internal and external design features for optimum matching in your application. We are an ISO 9001 certified manufacturer.
MRA Range : silence and low, stable backlash
- Hollow shaft or Double shaft versions available
- Reduced backlash (1 arc-min max) and heavy duty torque versions available.
- Stainless Steel (Type MRS) versions available.
- Low backlash (15, 10 or 5 min arc-mins max depending upon size & ratio)
- Constant backlash (hardened and ground gears)
- High efficiency (patented Rotaxe® tooth profile)
- Quiet operation (ISO 4 quality ground gears)
- Great choice of ratios
- Great choice of output flanges
- Easy 5 minutes clamping into motor shaft (self-locating input flange)
- High range of temperature of use (-31°F to 266°F) (-35°C to 130°C)
- Reinforced waterproofness (IP 65)
- Easy maintenance
- Optional lubricating grease for the food-processing industry
For more information visit www.mijno.com. Consult us if the solution you are looking for cannot be found in our regular catalog. Our design department can create a custom gearbox most adapted to your needs.
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The planetary gearboxes from SUMER-TRANSMISSIONS are high performance equipments intended for the following fields :
- Robotics - Servo-mechanisms - Space crafts - Aeronautics - Vacuum - Nuclear - Armament - Special purpose machines and special adaptations.
They are the outcome of many years of experience resulting from continuous exchanges with our customers, and from the use of the most sophisticated new techniques applied to the field of components and material quality, thermal treatments and precision machining.
These compact, hard wearing equipments offer exceptional characteristics for their size, taking into account their high torsion rigidity, low inertia of rotating parts, number of available gear ratios, or their lifetime in the most critical operating conditions.
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Shanghai SGR Heavy Industry Machinery Co.,Ltd. is one well-known manufactory in China. This company specializes in producing all kinds of gearboxes and gear motors.
SGR planetary gear unit for industrial applications. The product configuration is highly versatile, due to several options as far as mounting, gear layout, the output shaft and motor interface.
Transmission ratios: up to 5 000
Input power: up to 200 kW
Torque range: up to 540 000 Nm
Output speed: 0.425 up to 445 RPM
If need customize product, please contact us for more information.
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RN/DN series : PARAGON Planetary Right Angle Gearheads
CONSTRUCTION FEATURES
• True planetary design
• Tapered roller bearings
• Low backlash design
• Input pinion with balanced clamp collar
• Quick installation
• Strong, caged roller bearings
• High reliability design
• High strength steels
• High shaft loading capacity
• Case hardened spiral bevel gears
• Sealed ball bearings
• High efficiency design
• All gears are heat treated
• NEMA mounting standards
• 2 year warranty
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# High Torsional Stiffness
Contact of three planetary gears in the steel crown gear along with a large diameter utput, provide outstanding rigidity
# Cool Operation
Unique fins dissipate heat from servo motor and helps to lighten gearbox
# Universal Servo Interface
Flexible slotted bolt circle and oversized pilot equals easy motor installation and no adapters
# Modular High Tech Design
Modularity and flexible design offer an advanced technology reducer that can be universally mounted
# Low Backlash
AP precision gearbox stage provides high ratio and extremely low backlash
# High Capacity Output Bearings
Two output bearings, located forward in the gearbox result in higher bearing capacity and longer bearing life
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The WPLE is the logical refinement of our PLE series. This bevel gearbox series was designed especially for space-saving installation in a right-angle position of the motor/gearbox combination.
* low backlash
* high output torque
* patented PCS®
* high efficiency (94%)
* 22 ratios i=3,...,512
* low noise
* high quality (ISO 9001)
* any mounting position
* easy motor mounting
* life time lubrication
* more options
* direction of rotation see page 66
* balanced motor pinion
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In applications where it is necessary to ensure proper alignment between a gearbox and a driven shaft, Brevini's in-line and right angle shaft mounted planetary gearboxes provide the ideal solution.
The ability of the compact and efficient shaft mounted gearboxes, not only to provide alignment between shafts, but also their flexibility of use and the fact that no machining is required to mount them to frames, are all major factors in their widespread use across all industry sectors. Complementing these user benefits is the flexibility offered by two different types of shaft configurations: hollow shaft for shrink disc connection or keyed cylindrical female shaft (FP type).
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Planetary gearboxes 
