Internal gears are often used in planetary gear systems. Enable power transmission at varied angles and varied lengths. The gears toolkit by presenter media is an animated powerpoint template to help you create presentations with animated gear images. Ppt chapter 9 spur gear design powerpoint presentation. This may have been due to misalignment of the gear train or it may be that this particular gear train was not set to run in both directions.
A brief description on types of gear trains used in various day to day machines to operate them. The advantage of a compound gear train over a simple gear train is that a much larger speed reduction from the first shaft to the last shaft can be obtained with small gears. Provide a varied leverage between the engine and the drive wheels provide means to transfer power in opposite direction. Gears layout template for powerpoint gears are parts of a particular mechanism designed for a specific task. Ppt types of gear trains powerpoint presentation, free download. One is that the bushing needs to be wider to t over the cap on the pinion. Whenever a change in the speed or torque of a rotating device is needed, a gear train or one of its cousins, the belt or chain drive mechanism, will usually be used. Ppt what are gears powerpoint presentation free to. The lego gear train on the last slide had two sets of gears, each had a ratio of 408 or 51.
Imagine driving a car with a broken gear in its gearbox. Clearance is the amount by which the dedendum in a given gear exceeds the addendum of its mating gear. Today we are releasing this free gears powerpoint template that you can download if you need gear illustrations and graphics for your presentations. Pressure angle is the angle between the pressure line and common tangent to pitch circles. Download train ppt theme catering to freight and civil transport. View and download powerpoint presentations on gear train ppt. Gear trains are widely used in all kinds of mechanisms and machines, from can openers to aircraft carriers. Sep 28, 2016 gear icons can be quite handy for making diagrams that can enable presenters to point out how a specific process works or to show synergy and teamwork. Find powerpoint presentations and slides using the power of, find free presentations research about shaft ppt. Find powerpoint presentations and slides using the power of, find free presentations research about types of gears ppt. Simple gear train the most common of the gear train is the gear pair connecting parallel shafts. The gear train maybe for spur gear, helical gear and spiral gear.
Four steps with text explanations comprise the gear infographic. Gears are used in many applications like automobile engines, household appliances, industrial machine. Introduction to gear trainsintroduction to gear trains. In this article, you will learn gear, types of gears and gear trains. When gears mesh, these mechanical spinning parts transfer motion and power through the components of a machine.
These are used in speed reducers, clocks and machine. Jagtap 2 about indian railway indian railways is an indian stateowned enterprise, owned and operated by the government of india through the ministry of railways. Meshed gears in a gear train always turn in opposite directions. In the first three types of gear trains, the axes of the shafts over which the gears are mounted are fixed relative to each other. A sample box of various types of gears types of gears. These can be broadly classified by looking at the positions of axes such as parallel shafts, intersecting shafts and nonintersecting shafts. Gear train conguration appendix a8 another interesting design aspect is that the gear train reverts back to the axle about which the pinion turns. The gear train consists of five external gears and 4 internal annulus gears, including sun and planet gears forming an epicyclic gear train. Animated gears toolkit and templates for powerpoint. A multipurpose template perfectly suits for reports and presentations at marketing conferences, business meetings. Provide means of connection and disconnection of engine with rest of power train without shock and smoothly. Epicyclic gearset gears 6 an epicyclic gear set has some gear or gears whose center revolves about some point. Whereas intel has a cultural propensity for change, american express financial advisors aefa is in the final stages of a project so sweeping that its goal has been to create a new company that could put the old one out of businessbefore a competitor tries to do just that.
In order to achieve the above objective, methodology of design used is explained in next point. Apr 04, 20 reverted gear train when the axes of the first gear i. Here is a gearset with a stationary ring gear and three planet gears on a rotating carrier. Circumferential velocities in a complex gear train have 3. Helical gear the teeth on helical gears are cut at an angle to the face of the gear this gradual engagement makes helical gears operate much more smoothly and quietly than spur gears one interesting thing about helical gears is that if the angles of the gear teeth are correct, they can be mounted on perpendicular shafts, adjusting the rotation angle by 90 degrees. The gear wheel transmitted motion between one shaft to another shaft, so the multiple set of gear transmit motion from single main gear to various revolving parts is known as gear train. This problem solved after third iteration using excel. Types of gear train and velocity ratio calculation techminy. Jun 17, 2015 homework statement a determine the input power required at shaft 1. Train ppt background is useful for mechanical engineering students, as they explain how the train engine receives power.
Compound gear train when there are more than one gear on a shaft,it is called a compound gear train compound gear train for large velocities ratios, compound gear train arrangement is preferred. Such multipurpose slide can be successfully used either for guides and plays or a set of recommendations and instructions. Gear trains a gear train is two or more gear working together by meshing their teeth and turning each other in. Whole depth is the sum of the addendum and dedendum. Use two gears on an axle to get a larger gear ratio in your gear train. Planetary gear trains are one of the main subdivisions of the simple epicyclic gear train family. Animated gears toolkit and templates for powerpoint presentations nothing works light a cog in a machine, which is why a gear image is the best to illustrate synergy, hard work and coordination. Internal gear this is a cylindrical shaped gear but with the teeth inside the circular ring. Presentation on indian railway 1 presentation on indian railway submitted by ms. Gears and pulleys powerpoint science education by geis19 tpt. View and download powerpoint presentations on shaft ppt. For large velocities, compound arrangement is preferred. Types of gears classification of gears types of gear trains.
Simple gear train is one in which each shaft carries only one gear. Gear train free download as powerpoint presentation. The gear ppt represents one unique slide with gear design. Just to give a brief idea to the audience about these gear tra. The epicyclic gear train family in general has a central sun gear which meshes with and is surrounded by planet gears. Gear ppt illustration for powerpoint free download now.
For the gear train shown below, determine the train value, output speed, output direction, output torque, and output power. Gears use in automatic transmission epicyclic gear or planetary gear is a gear system consisting of one or more outer gears, or planet gears, revolving about a central, or sun gear. When a gear train similar to the one at right is used, the ratios of the meshing gears are multiplied to find the overall gear ratio. Collection of gears diagrams and charts is available in powerpoint ppt format for your presentations. Clearance circle is a circle that is tangent to the addendum circle of the mating gear. View and download powerpoint presentations on types of gears ppt.
Yet the length occupied by the compound gear is less, this is because of the overlap of a with b. Understanding the difference between simple and compound gear. Download free gears powerpoint templates for presentations if you need to prepare presentations on bright ideas and describe a business process, then gear illustrations can be really helpful. Overview an important function of the power train is to transmit the power of the engine to the.
Now compare the space taken up by the simple gear train and compound gear train. Various types of gears there are many types of gears such as spur gears, helical gears, bevel gears, worm gears, gear rack, etc. Image from blog of haja sherief image from hpi racing image from proquest image from sandia national labs image from piaget image from fortune, apr. Any failure to the gear system leads to the total system failure. Gears for presentations in powerpoint, complete editable. A four noded powerpoint gears template gear template.
Types of gears free 3d2d cad models khk gears gear. This is a linear shaped gear which can mesh with a spur gear with any number of teeth. Ppt gear trains powerpoint presentation free to view id. Gears powerpoint templates can be used to represent a business process or make presentations for business performance managements, you can also use the gears and text boxes to make awesome slides. Scribd is the worlds largest social reading and publishing site. Gear nomenclature dedendum is the radial distance from the bottom land to the pitch circle. Use classic themed backgrounds such as train tracks and explain how the transportation system works. Typically, the planet gears are mounted on a movable arm or carrier which itself may rotate relative to the sun gear. Gears ppt is a new unique slide for the users of powerpoint software. Spread love for the locomotive as slides include toy train in addition to the real deal. Reverted gear train when the axes of the first gear i. It require small area during the power transmission and to obtain large speed reduction.
The most common of the gear train is the gear pair connecting parallel shafts. Gears gears, gear trains and gear box presented by ujjwal nagda 2. It is composed of clutch the gear box propeller shaft universal joints rear axle wheel tyres. Look at the compound gear train, it has one more 30 teeth gear, and the other 3 gears are the same. Today we are releasing this free gears powerpoint template that you can download if you need gear.
The present work on epicyclic gear trains carries out the design of all the gears, shafts, keys and the loads are calculated for individual gears in the epicyclic gear train system. In cases where gears are expected to run in two directions, it is recommended that the gears be set and. This pptx document contains 20 free premade templates with a complete set. You are free to create the presentation to your taste. They are useful to replace the basic circle designs in your presentation and are great for timelines, processes, cycles. Types of gear trains simple gear train compound gear train planetary gear trainsimple gear train the most common of the gear train is the gear pair connecting parallel shafts. Choose and download from hundreds of powerpoint gears premade slides. Ppt gear trains powerpoint presentation free to view. Gear power transmission is the movement of energy from its place of generation to a location where it is applied to performing useful work a gear is a component within a transmission device that transmits rotational force to another gear or device.
How to create gears in powerpoint using smartart you can use gears in any business presentation where you need to show show interlocking ideas. A bundle for your gears and pulleys science curriculum. Mechanical gear powerpoint template free powerpoint template. Ppt simple gear train powerpoint presentation, free download.
Gears powerpoint templates can be used to represent a business process or make presentations for business performance managements, you can also use the gears and text boxes to make. The main applications of epicyclic bevel gear train are humpages speed reduction gear and differential gear of an automobile. Construction of cycloidal teeth for gear the cycloidal teeth of a gear may be constructed as shown in fig. In a real gear box, power is lost through friction and the power output is smaller than the power input. Using this smartart shape you can add three lines of level 1 text corresponds to a gear shape, and their corresponding level 2 text appears in rectangles next to the gear shape. Ppt presentation on indian railway powerpoint presentation. A free powerpoint ppt presentation displayed as a flash slide show on id. The teeth of this type can be spur, helical or herringbone. Design, load analysis and optimization of compound epicyclic. Usually for a speed reduction in excess of 7 to 1, a simple train is. Pressure line is the common normal at the point of contact of mating gears along which the driving tooth exerts force on the driven tooth. Download powerpoint graphics and slide layouts with gears to represent business processes or make awesome slide designs using metaphors of mechanics and working engines. Pulleys, sprockets and gears are mechanisms used to transfer energy through rotary motion.
Because the picture resolution is compressed, the ppt effects please watch video. Gears aka gear wheels are metaphors that evoke motion, connections, interactions or synchronization. Design of machinery an introduction to the synthesis and. Download free gears powerpoint templates for presentations. Find powerpoint presentations and slides using the power of, find free presentations research about gear train ppt. Use the mechanical gear powerpoint template to train your team in gear mechanisms, create a mechanical gear 101 presentation, or cover any other topic of the gear industry. Before the teeth can engage, the cone clutch engages first, which brings the selector and gear to the same speed using friction. The working of the above gears are mentioned in the below ppt. Jan 23, 2015 gears 5 5 epicyclic gear train it is the system of epicyclic gears in which at least one wheel axis itself revolves around another fixed axis. Gear systems or gear trains tend to play a very vital role in all industries and also in our day to day life. Chapter 11 drive lines, differentials, drive axles, and power. In general, they move in a relationship to make a vehicle or machine work.
If a simple gear train is used to give a large speed reduction, the last gear has to be very large. The outermost gear, the ring gear, meshes with each of the planet gears. When two gears of different sizes are meshed, the larger is called gear while the smaller is pinion. The spur rack is a portion of a spur gear with an infinite radius. Gears play an important role in trucks, car, buses, motor bikes and even geared cycles. The mechanism that transmits the power developed by the engine of automobile to the engine to the driving wheels is called the transmission system or power train.
This chapter will explore the theory of gear tooth action and. The modern flat gears powerpoint template is a presentation template which provides editable gear illustrations. It includes a smartboard file, the gears and pulley pdf file, a gears and pulleys mini booklet for the students, and a gears and pulleys powerpoint. If you need to prepare presentations on bright ideas and describe a business process, then gear illustrations can be really helpful. The template is creative and has refreshing conceptual design. The circle c is rolled without slipping on the outside of the pitch circle and the point p on the circle c traces epicycloid pa, which represents the face of the cycloidal tooth. Free body diagrams of gear trains pdf,ask latest information,abstract,report,presentation pdf,doc, ppt,free body diagrams of gear trains pdf technology discussion,free body diagrams of gear trains pdf paper presentation details.
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