planetary reducers - Search Results
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Andantex USA Inc.
Andantex USA is a leading provider of high-precision motion control components and systems.Our product line consists of Modular Racks and Pinions, Rack and Pinion Drives, Hi-tech Planetary Reducers, Servo Reducers, Right Angle Gearboxes, Industrial Differentials, Multi-speed Transmissions, Merobel® EMP Brakes and Clutches, Torque Limiters and Web tension control systems.
DieQua Corp.
Thanks for checking us out! Diequa is a manufacturer and supplier of a wide range of premium quality power transmission and motion control gear drive and connecting components designed specifically to enhance the performance of your machine designs. These include speed reducers, gearmotors, servo planetary reducers, spiral bevel gearboxes, shaft phasing gearboxes, shaft couplings, torque limiters, and screw jack lifting systems.
Articles About planetary reducers
1 Effects of Planetary Gear Ratio on Mean Service Life (July/August 1998)
Planetary gear transmissions are compact, high-power speed reducers that use parallel load paths. The range of possible reduction ratios is bounded from below and above by limits on the relative size of the planet gears. For a single-plane transmission, the planet gear has no size of the sun and ring. Which ratio is best for a planetary reduction can be resolved by studying a series of optimal designs. In this series, each design is obtained by maximizing the service life for a planetary transmission with a fixed size, gear ratio, input speed, power and materials. The planetary gear reduction service life is modeled as a function of the two-parameter Weibull distributed service lives of the bearings and gears in the reduction. Planet bearing life strongly influences the optimal reduction lives, which point to an optimal planetary reduction ratio in the neighborhood of four to five.
2 A Logical Procedure To Determine Initial Gear Size (November/December 1986)
When a gear set is to be designed for a new application, the minimum size gears with the required capacity are desired. These gears must be capable of meeting the power, speed, ratio, life, and reliability requirements.
3 The Elementary Theory for the Synthesis of Constant Direction Pointing Chariots (or Rotation Neutralizers) (November/December 1988)
The south-pointing chariot exhibited at the Smithsonian Institution, Washington, D.C., (circa 2600 BC)is shown in Fig. 1. Although the mechanism is ancient, it is by no means either primitive or simplistic. The pin-tooth gears drive a complex system, wherein the monk on the top of the chariot continues to point in a preset direction, no matter what direction the vehicle in moved, without a slip of the wheels.(1)
4 Efficient Methods for the Synthesis of Compound Planetary Differential Gear Trains for Multiple Speed Ratio Generation (July/August 1990)
This article presents an efficient and direct method for the synthesis of compound planetary differential gear trains for the generation of specified multiple speed ratios. It is a train-value method that utilizes the train values of the integrated train components of the systems to form design equations which are solved for the tooth numbers of the gears, the number of mating gear sets and the number of external contacts in the system. Application examples, including vehicle differential transmission units, rear-end differentials with unit and fractional speed ratios, multi-input functions generators and robot wrist joints are given.
5 Stress of Planet Gears with Thin Rims (March/April 1994)
This article discusses the relationships among the fillet stress on a thin rim planet gear, the radial clearance between the gear rim and the gear shaft, the tooth load, the rim thickness, the radius of curvature of the center line of the rim, the face width and the module.
6 KHV Planetary Gearing - Part II (January/February 1988)
Consisting of only a ring gear b meshing with one or two planets a, a carrier H and an equal velocity mechanism V, a KHV gearing(Fig. 1) is compact in structure, small in size and capable of providing a large speed ratio. For a single stage, its speed ratio can reach up to 200, and its size is approximately 1/4 that of a conventional multi-stage gear box.
7 KHV Planetary Gearing (November/December 1987)
Traditionally, a worm or a multi-stage gear box has been used when a large speed ratio is required. However, such boxes will become obsolete as size and efficiency become increasingly important considerations for a modern transmission. The single-enveloped worm gear has a maximum speed ratio of only 40 to 60. Its efficiency is only 30 to 60 per cent. The necessity of using bronze for the worm gear and grinding nitoalloy steel for the worm drives up material and manufacturing costs.
8 A Planetary System that Increases Power Density (January/February 2005)
Turnkey Design Services is manufacturing a planetary gear system to increase power density.
9 Analysis of Load Distribution in Planet Gear Bearings (September 2011)
In epicyclic gear sets designed for aeronautical applications, planet gears are generally supported by spherical roller bearings with the bearing outer race integral to the gear hub. This article presents a new method to compute roller load distribution in such bearings where the outer ring can’t be considered rigid.
10 Industry Forum (November/December 1985)
One of the current research activities here at California State University at Fullerton is systematization of existing knowledge of design of planetary gear trains.
11 Investigation of the Noise and Vibration of Planetary Gear Drives (January/February 2006)
With the aim of reducing the operating noise and vibration of planetary gear sets used in automatic transmissions, a meshing phase difference was applied to the planet gears that mesh with the sun and ring gears.
