Design and optimization of planetary gears considering all relevant influences tobias schulze gear design process lightweight construction and consideration of available resources result in gearbox designs with high load capacity and power density. One of the limiting factors for high speed applications of planetary gear trains is the angular. To design a transmission concept using a planetary gear set, and to design more compact than the. Pdf the article presents the design for a biplanetary gear train.
This is particularly true for planetary gearboxes in industrial gearboxes, since such gearboxes must transmit very high power levels with high operational security within a very small design envelope. The first step in the gearbox design process is to select the material. Design and optimization of 2 stage reduction gearbox. In more than a few cases, the planetary gears in particular are subjected to loads up to their physical limits. At the same time, expectations for gear reliability are high. Design and optimization of planetary gears considering all. The method utilized the standard equations for gear calculations and computational simulations for.
Conceptual design of planetary gearbox system for constant. Pdf design and analysis of an epicyclic gearbox for an electric. Design and numerical characterization of a new planetary. Hence planetary gearboxes can be grease lubricated for the life12. Planetary gears convert high speed, lowtorque inputs to low speed, hightorque outputs. Design and optimization of 2stage reduction gearbox. Planetary gear bearing arrangements in industrial gearboxes. Where np and ng number of teeth in pinion and gear.
Hence to achieve the speed of 53kmph we required the gear reduction of gearbox as 10. Planetary gears, which can supply a lot of speed reduction and torque in a small package, have operating characteristics beyond those of. Selection of the optimal twospeed planetary gear train. A numerical example of the procedure is provided, dealing with the application of a two speed pgt as a fishing boat reduction and reversing gearbox. The tool investigated is from atlas copco st series and consists of three main parts. It consists of a main planetary gear set and an internal planetary gear. Mechanical transmissions, gears, planetary gears, design, simulation.
Design and numerical analysis of optimized planetary gear box. Planetary gear system is use in varies applications such as, clocks, lunar calendar, car mirror, toys, gearhead motor, turbine engine and many more. Design 2speed transmission for compact electric vehicle. Pdf design for a biplanetary gear train researchgate. This feature is inherent in planetary gearing because of the relative motion between the different gears making up the. The input carrier h1 moves gear 2 that pushes both gears 1 and. A material is to be selected by doing intensive research on the. The selection of an appropriate planetary gear for your individual. Gears with reduction ratios not incluted in the above table may be manufactured at request.74 977 985 149 28 1011 655 273 1460 1046 94 342 1164 561 261 592 1504 893 1340 908 1593 391 1548 811 854 807 1332 35 1384 324 1366 1606 1196 119 483 1465 619 584 1102 15