The template is creative and has refreshing conceptual design. Ppt what are gears powerpoint presentation free to. Gears gears, gear trains and gear box presented by ujjwal nagda 2. Since the sun gear the largest gear is fixed, the dof of the above mechanism is one.
Design of machinery an introduction to the synthesis and. But in case of epicyclic gear trains, the axes of the shafts on which the gears are mounted may move relative to a fixed axis. View and download powerpoint presentations on gear train ppt. They handle and combine lego spur gears as an exercise in gear ratios. Gears 4,5 and 6 are free to spin about their shaft, while gears 3,7,8,9,10 and 11 are keyed to their respective shafts. The gear 3 which is now the second driver drives the gear 4 i. The link andpin coupling was the original style of coupling used on north american railways. Use two gears on an axle to get a larger gear ratio in your gear train. Gear nomenclature dedendum is the radial distance from the bottom land to the pitch circle.
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. Simple gear train the most common of the gear train is the gear pair connecting parallel shafts. Students are introduced to an important engineering elementthe gear. A gear train is a mechanical system formed by mounting gears on a frame so the teeth of the gears engage. Forget about everything you knew about remote control and take charge of your slides without the need for anybody or device smartphone or remote control device. Gears layout template for powerpoint gears are parts of a particular mechanism designed for a specific task. In the case above, the purple gear turns at a rate twice that of the blue gear. Today we are releasing this free gears powerpoint template that you can download if you need gear illustrations and graphics for your presentations.
Design, load analysis and optimization of compound. Gear trains are widely used in all kinds of mechanisms and machines, from can openers to aircraft carriers. Now compare the space taken up by the simple gear train and compound gear train. Ppt gear trains powerpoint presentation free to view id. Enable power transmission at varied angles and varied lengths. For the gear train shown below, determine the train value, output speed, output direction, output torque, and output power. Gear trains often consist of multiple gears in the train, as shown in the following two figures. Gear trains free download as powerpoint presentation.
In general, they move in a relationship to make a vehicle or machine work. Collection of gears diagrams and charts is available in powerpoint ppt format for your presentations. Mechanical committee of the standard coupler manufacturers illustration. Yet the length occupied by the compound gear is less, this is because of the overlap of a with b. While simple in principle, the system suffered from a lack of standardisation regarding size and height of the links, and the size and height of the pockets. An idler gear is a gear that is inserted between 2 other gears. They are useful to replace the basic circle designs in your presentation and are great for timelines, processes, cycles. These are used in speed reducers, clocks and machine. Ppt gear trains powerpoint presentation free to view. In a bicycle, the gears dont link by meshing together directly. Gears ppt is a new unique slide for the users of powerpoint software.
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. Clearance circle is a circle that is tangent to the addendum circle of the mating gear. Reverted gear train when the axes of the first gear i. Download gear graphics for powerpoint presentations, included in both animated and nonanimated styles. Gear 1 is called a sun gear, gear 2 is a planet, link h is an arm, or planet carrier. Epicyclic gear train epicyclic means one gear revolving upon and around another. This pptx document contains 20 free premade templates with a complete set. 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. Gear teeth are designed to ensure the pitch circles of engaging gears roll on each other without slipping, providing a smooth transmission of rotation from one gear to the next. 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.
The gear train consists of five external gears and 4 internal annulus gears, including sun and planet gears forming an epicyclic gear train. Gear trains gear mechanics free 30day trial scribd. Add another 8tooth gear to the right of the 40tooth gear. The gear tooth thickness can be conveniently measured by a gear tooth vernier as shown in the fig. Worm and wheel gear sets are used for steering gear, winch blocks, e. Download our free mechanical gear powerpoint template. For large velocities, compound arrangement is preferred.
This chapter will explore the theory of gear tooth action and. 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. Click the download link below to open or save to your computer. The train university of kentucky college of engineering. Look at the compound gear train, it has one more 30 teeth gear, and the other 3 gears are the same.
Used to cushion shock and strain on cars from movement. Instead, a lubricated chain connects together the gear wheels known as sprockets on the pedal with those on the back wheel. 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. An internal gear is simply a gear with teeth on the inside. The rack and pinion converts the rotational motion of a gear the pinion to the linear motion of a rack.
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. Find powerpoint presentations and slides using the power of, find free presentations research about gear train ppt. Since the gear tooth thickness varies from the tip to the base circle of the tooth, the instrument must be capable of measuring the tooth thickness at a specified position on the tooth. The pinion is just like any other spur gear, and it meshes with the rack, which is a rail with teeth. Ppt spur gear powerpoint presentation free to download. Choose and download from hundreds of powerpoint gears premade slides. Gears play an important role in trucks, car, buses, motor bikes and even geared cycles. In a reverted gear train, the motion of the first gear and the last gear is same.
Download free gears powerpoint templates for presentations. The main applications of epicyclic bevel gear train are humpages speed reduction gear and differential gear of an automobile. Using the gear s2s3, you can switch between slides, start, stop, and navigate between pages. Epicyclic gear train solution techniques with application. The most common of the gear train is the gear pair connecting parallel shafts. This style is based on thin twopixel lines and is optimized for 50x50 px. Gear train to be used in the human powered vehicle teams design effort using williss 1 method for finding the kinematic solution of the gear train, it was found that the mechanism was governed by 1 5 2 6. Clearance is the amount by which the dedendum in a given gear exceeds the addendum of its mating gear. The modern flat gears powerpoint template is a presentation template which provides editable gear illustrations. Whole depth is the sum of the addendum and dedendum. 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.
Ppt simple gear train powerpoint presentation, free download. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 8,897 icons, all in the same style and quality. Search, discover and share your favorite download gifs. 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.
Introduction to mechanisms carnegie mellon school of. Thus we see that in a reverted gear train, the motion of the first gear and the last gear is like. The righthand purple gear in the train is actually made in two parts, as shown. The lego gear train on the last slide had two sets of gears, each had a ratio of 408 or 51. The working of the above gears are mentioned in the below ppt. Thats simply because the pedal and the back wheel are some distance apart and a chain is the easiest way to link them together. But in case of epicyclic gear trains, the axes of the shafts on which the gears are mounted may move relative to a. After most railroads converted to semiautomatic janney couplers, the link andpin survived on forestry railways. Let t1 number of teeth on gear 1, r1 pitch circle radius of gear 1, and n1 speed of gear 1 in r. Students learn about various types of gears and how they work in machines. Mechanical gear powerpoint template free powerpoint template.
Gears aka gear wheels are metaphors that evoke motion, connections, interactions or synchronization. The teeth of this type can be spur, helical or herringbone. How many turns of the 8tooth gear on the left does it take to make 1 turn of the new 8tooth gear on the right. The transmission of rotation between contacting toothed wheels. 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. Simple gear train is one in which each shaft carries only one gear. Provide a varied leverage between the engine and the drive wheels provide means to transfer power in opposite direction. Different types of gears are used in many engineering devices, including windup toys, bicycles, cars and nondigital clocks. People might not notice them, but gears are everywhere. Gear trains a gear train is two or more gear working together by meshing their teeth and turning each other in. A multipurpose template perfectly suits for reports and presentations at marketing conferences, business meetings. Bevel gear precision forging production line according to user requirements for the bevel gear accuracy, the forging process is also very different.
The term power transmission is defined as the move ment of. Simple gear train when there is only one gear on each shaft it is known as simple gear train. Introduction to gear trainsintroduction to gear trains. 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. Download powerpoint graphics and slide layouts with gears to represent business processes or make awesome slide designs using metaphors of mechanics and working engines. Ppt types of gear trains powerpoint presentation, free download.
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