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Planetary

Home » Topics » Components » Planetary
  • Pt0423 pg62 1
    April 6, 2023
    By Marcin Wikło

    On the Potential of High-Ratio Planetary Gearboxes for Next-Generation Robotics

    The earliest example of a gear train dates to at least 2,000 B.C. when Chinese engineers built a chariot that used a complex planetary mechanism made of wooden gears to let a dragon head continuously point south when driven around (Ref. 1). In Greece, a surprisingly advanced Antikythera gearbox mechanism, incorporating at least 37 precisely crafted bronze gears, was built years later, between 205–60 B.C. (Ref. 2).

  • Pt0423 page 22 image 0001
    April 6, 2023

    Having a Ball: The Technology Behind the Ball Drop

    More than a billion people around the world unite to ring in the New Year, their eyes set upon the glittering New Year’s Ball in Manhattan. Thousands are gathered at Times Square — the famed “Bow Tie” of Midtown — braving the December cold and peering through glasses with numerically shaped frames. Millions more tune in from their various screens at home.
    With so much riding on its descent, the Ball, along with the mechanical and electrical systems responsible for its operation, must operate like clockwork.

  • Pt0223 page 43 image 0003
    February 8, 2023
    By Anand Varadharajan

    Unconventional Gear Profiles in Planetary Gearboxes

    Today, gearboxes are inevitable in numerous applications requiring high power density including wind turbines, electric vehicles, cranes, robotics, etc. A combination of high-ratio gearboxes with high-speed, low-torque motors is often used to achieve high power density. Planetary gear trains (PGTs) help achieve a high gear ratio in a compact arrangement. Several configurations of planetary gears are widely studied in this article where the gear profiles used in these studies are primarily involute.

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  • Pt1222 page 75 image 0002
    December 2, 2022
    By Benjamin Abert

    Determination of the Longitudinal Load Distribution of Planetary Stages

  • Bonfiglioli 1
    November 4, 2022

    Bonfiglioli Presents Electric Drives for Construction Machinery

  • Neugart2
    July 25, 2022

    Neugart Offers Economical Right-Angle Gearbox

  • Neugart1
    May 24, 2022

    Neugart Expands Drive Solutions

  • Figure4 portescap figs
    February 1, 2022

    Improve Thermal Performance for Ironless Brush DC and Brushless DC Motors

  • March 1, 2021

    Analysis of the Operational Behavior of a High-Speed Planetary Gear Stage for Electric Heavy-Duty Trucks in Multi-Body Simulation

  • August 1, 2020

    Monitoring Concept Study for Aerospace Power Gearbox Drivetrain

  • August 1, 2020

    Product News

  • June 1, 2020

    Dynamic Behavior of Planetary Gears

  • Bearing
    October 1, 2019

    Bearing Materials and Coating Trends

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Blog Posts

  • Pt0323 page 40 image 0001
    March 21, 2023
    By Norm Parker

    Ball Bearing Inner Ring Fits and Creep

  • Fva stober1
    September 30, 2022

    Reliable, User-Friendly Planetary Gear Unit Design

  • November 24, 2021

    Industrial Gearbox Market Trends

  • September 27, 2021

    The Packaging Perspective 2021

  • March 17, 2021

    A Cut Above the Rest

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Authors

  • Benjamin abert
    Benjamin Abert
  • Anand varadharajan
    Anand Varadharajan
  • Dr pablo lopez garcia
    Dr Pablo Lopez Garcia
  • Stein crispel
    Stein Crispel
  • Bram vanderborght
    Bram Vanderborght
  • Dirk lefeber
    Dirk Lefeber
More Authors
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