planetary

Articles About planetary


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The First Family of Dedicated Rack & Pinion Reducers

Redex-Andantex makes a family of high precision planetary reducers specifically designed for use with racks on linear axes and ring gears on rotary axes for machine tools and automation equipment. Our reducers achieve minimum to ZERO-BACKLASH, extremely high compound stiffness, high efficiency through our unique design. Download our free whitepaper to learn more. White Papers Courtesy of Andantex USA
www.powertransmission.com/sc/andantex-rack-pinion-family/

Dana: Propelling Excellence in Agriculture

Dana collaborates with agriculture OEMs through our wide portfolio of drive and motion technologies and deep expertise across the full range of applications. Learn more about our latest innovations, including drive systems for electrified telehandlers, new suspended axles for tractors, wheel drives for sprayers, and advanced central tire inflation systems. White Papers Courtesy of Dana
www.powertransmission.com/sc/dana-excellence-in-agriculture/

Cost Effective High Precision Linear & Rotary Axes

Andantex, USA, a member of the Redex-Group, offers modular system building blocks consisting of Hardened & Ground Racks, High Quality Planetary Reducers including Output pinions, Ring Gears and Automatic lubrication systems to build linear axes of any length and move weights from 100 to 200,000 Lbs. White Paper Courtesy of Andantex USA
www.powertransmission.com/sc/andantex-linear-rotary/

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1 Dynamic Behavior of Planetary Gears (June 2020)

In planetary gear systems of high power density and high gear ratio, helical gears create undesirable tilting moments on the planet gears; therefore, spur gears are still preferred for planetary gears -- a special challenge with respect to noise. Specifically, the different behavior of planetary gears with sequential and symmetric gear mesh is explained in this paper.

2 Determination of Load Distributions on Double Helical-Geared Planetary Gearboxes (June 2017)

Standardized calculation methods such as ISO 6336 and DIN 3990 already exist to determine the load distributions on gears inside a planetary gearbox, but by their very universal nature, these methods offer varying results depending on the gearbox design. Double helical gears, in particular, can benefit from more specific, complex algorithms to reach a maximum level of efficiency. Double helical gears interact with the rest of the gearbox differently than helical or spur gears, and thus benefit from different analytical models outside the standardized methods. The present research project describes the algorithm to determine the load distribution of planetary gearboxes with double helical gears.

3 Monitoring Concept Study for Aerospace Power Gearbox Drivetrain (August 2020)

Rolls-Royce is pioneering the UltraFan engine family architecture containing a planetary gearbox in a power range of 15 to 80 megawatts. To increase the efficiency of the UltraFan, a planetary gearbox is introduced between fan and intermediate pressure compressor. This enables running the turbine to rotate faster and allows a reduced fan speed.

4 A Model for Predicting Churning Losses in Planetary Gears (September 2019)

In the general context of the reduction of energy consumption and polluting emissions, gearbox efficiency has become a major issue.

5 Finite Element Method Based Analysis of Planetary Gear Systems Considering Backlash and Manufacturing Deviations (June 2018)

The load carrying capacity of gear transmissions depends strongly on design, material and operation conditions. Modern analysis methods, e.g. finite element analysis (FEA), consider the above parameters with more or less sufficient accuracy. Yet it remains an ongoing challenge to account for backlash and manufacturing errors, despite a definite need to do so.

6 Lightweight, Highly Efficient Drive System (February 2017)

This paper presents a joint project conducted by Ashwoods Electric Motors and Oerlikon Fairfield that uses planetary drives with an integrated electric motor. Current solutions used in production of off-highway vehicles rely upon large, heavy and inefficient brushed DC or induction motors, coupled to a planetary gearbox. This presents a number of challenges to the vehicle designers such as: limited vehicle range, limited space around the motor/drivetrain, and motor durability. The proposed integrated system utilizes an Oerlikon Fairfield Torque Hub, widely used in off-highway vehicles, and the Ashwoods first-to-market, interior permanent magnet motor. How these products are integrated, i.e. incorporating a brake solution, represents a market-changing product. Using interior permanent magnet (IPM) technology in the motor design means the motor can be up to 70% lighter, 70% smaller and 20% more efficient than traditional motors used in off-highway traction applications.

7 Rain or Shine (April 2008)

Brevini Power Transmission helps spectators enjoy stadium sights and sounds.

8 Gearbox Innovation Evolves in Step with Expanding Servo Market (September 2018)

Approximately one quarter of all servo motors around the world require some type of gear reduction in their applications. From large satellite dishes to precision medical devices, gearboxes boost torque and reduce speed for servos in order for them to be sized more efficiently. While gearbox fundamentals haven't changed much over the past 20 years, their effectiveness has improved significantly, driven mostly by the need to accommodate advancements in servo technology.

9 Smashing the Efficiency Barrier (October 2018)

A Practical Comparison of Planetary and Orbitless Gear-Heads.

10 Familiar Goals, New Solutions (October 2017)

Gearmotor manufacturers find new ways to push the envelope. (With Sidebar on new alternative to planetary gearboxes)

11 Mutiple Gearset-Type Calculation Software (September 2015)

Is there a gear software package out there that will calculate the design of spur, helical, worm, and planetary gearsets? Also, we would like a program that calculates stresses and material selection. Finally, we would like to have the program calculate bearings loads, too. Thank you for your help.

12 Who Needs a Social Life When You Can Mine the Moon (February 2009)

Dust, soil broken rock and other related materials that blanket planetary surfaces—known as regolith—have great potential to contribute to space observation research, but the physical properties of lunar regolith are unique and very difficult to excavate from a technical perspective. A group of students at the Missouri University of Science and Technology, dubbed the Lunar Miners, decided to step up to the plate—that is, by entering the 2008 NASA Regolith Excavation Challenge.

13 Gonzo Gear Design (April 2014)

Artist Tom Longtin adds completely non-circular planetary gears to his unique portfolio.

14 The Latest Design Technologies For Gear Devices with Great Transmission Ratios (December 2014)

Four types of gear devices with great transmission ratios (simply called great ratio gears or GRGs) are discussed in this paper. They are strain wave gearing devices (SWGs), trochoidal gear reducers (TGRs), hypocyclic gear reducers (HGRs) and James Ferguson-type planetary drives (JFDs). The structures, advantages and basic performances of these four devices are compared. The latest design and strength analysis methods are also introduced. To conclude, the future tendencies of GRGs are predicted.

News Items About planetary

1 Encoder Ready DC Motors Feature Planetary Gearboxes (July 15, 2010)
Nidal Copal's HG16 series is a RoHS compatible DC motor with planetary gearbox. The 0.63 inch OD (16 mm) DC motor has two axial lengt...

2 B&R Adds Planetary Gears to Motor Line (November 5, 2010)
B&R Industrial Automation recently announced the addition of precision planetary gears to its line of synchronous and stepper motors....

3 Pittman Motors Expands PLG Planetary Gearbox Offering (March 30, 2015)
Pittman Motors recently expanded its gearbox offerings with the introduction of PLG24, PLG42K, PLG42S, PLG52, and PLG63 planetary gearbox...

4 Three New Planetary Gearhead Sizes Released from QTC (May 19, 2008)
Quality Transmission Components released size 98, 78 and 52 planetary gearheads, that feature smooth, quiet, lightweight and compact heli...

5 Source Engineering Introduces Planetary Gearmotors for OEM Applications (May 24, 2007)
Source Engineering introduced planetary brush and brushless gearmotors for OEM applications. Gearmotors are best suited to applications r...

6 New Planetary Roller Screw Assemblies from Nook (January 27, 2004)
The NRS planetary roller screw assemblies from Nook Industries is designed for the most precise linear motion applications. These roll...

7 Danaher Motion Planetary Gearheads Require No Maintenance (April 1, 2006)
[photo]Danaher Motion's Micron ValueTRUE planetary gearheads are a more economical extension to Danaher Motion's family of Micron...

8 GWJ Technology Extends Calculation of Planetary Gear Stages (August 17, 2020)
GWJ Technology has released an updated version of the planetary gear module within the software eAssistant.The calculation module for pla...

9 Santasalo Launches Quatro+ Planetary Gears (May 18, 2015)
Santasalo recently introduced their new series of planetary gear units to the global industrial market. The new Quatro+ range offers high...

10 DieQua Launches PGW-Series Planetary Reducer (October 8, 2019)
DieQua launches the PGW-Series hollow bore output planetary reducer for belt and lead screw linear actuator systems. It features a fully-...

11 Exsys Tool Expands Planetary Gearbox Range (July 11, 2018)
Exsys Tool, Inc. has expanded its line of Eppinger high-precision industrial gearboxes to include planetary-type gearboxes. The planeta...

12 KISSsoft Introduces Double Planetary Stage Calculations (October 11, 2019)
Today, various types of planetary gearboxes are increasingly being used in the hybridization of drivetrains. Since the KISSsoft Release 2...

13 Neugart Extends Planetary Gearbox Series (June 18, 2020)
Neugart is extending its portfolio of planetary gearboxes, especially for rack and pinion drives, with an additional option for a fitted ...

14 GAM Introduces SPH Flange Planetary Gearbox (March 4, 2016)
GAM, a manufacturer of high precision gear reducers, servo couplings, and linear mounting kits, introduces the SPH Flange planetary gearb...

15 New Planetary Gearhead From Alpha Gear (December 9, 2003)
The new SP+ from Alpha Gear is available in seven sizes as an update to last year?s SP Series. The series features noise levels from ...

16 IMS Unveils Low Noise Planetary Gear Drives (February 13, 2008)
New Product Release IMS GEAR Planetary Gears Inc has recently completed the development and introduction of a new line of low noise ge...

17 Atlanta Drive Systems Introduces Economy Planetary Reducers (July 13, 2017)
Atlanta Drive Systems, Inc. announces a new range of Economy Planetary Reducers, offering good performance with an economical price level...

18 Drive Lines Examines Advantages of Planetary Gearheads (April 18, 2016)
Machinery and systems such as robots, packaging machines, pick and place units, tool changers in machine tools, printing presses and weld...

19 Groschopp Releases New i-series Planetary Gearboxes (May 6, 2013)
Available in three sizes and multiple gear ratios, Groschopp’s new i-series gearboxes are suitable for applications that have strin...

20 Applied Motion Introduces PE Planetary Gearheads (May 30, 2017)
PE Planetary Gearheads maintain maximum efficiency at the highest speeds. They are notably light and extremely powerful, yet suitable for...

21 Voith Vorecon Variable Speed Planetary Gear with Dual Torque Converters Improves Natural Gas Transportation (September 8, 2015)
Voith’s Vorecon recently expanded its footprint in the U.S. market, with five Vorecons equipped in compressor stations transporting...