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'Pedal Operated Dual chain Hacksaw Project' Idea where two separate chains were used to drive the Hacksaw. This might be costly or somewhat complicated. In this...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//m.gunkrazy.com/pedal-operated-direct-simple-hacksaw/" aria-label="View Post: Pedal Operated Direct Simple Hacksaw Project">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Pedal Operated Direct Simple Hacksaw Project","url":"\/\/m.gunkrazy.com\/pedal-operated-direct-simple-hacksaw\/","articleBody":"In previous article, we discussed 'Pedal Operated Dual chain Hacksaw Project' Idea where two separate chains were used to drive the Hacksaw. This might be costly or somewhat complicated. In this article we are going to discuss a Pedal operated simple hacksaw project Concept.\r\n\r\nIntroduction to Pedal Operated Simple Hacksaw machine:\r\n\r\nPedal Operation convert Energy Input given by Operator to Circular motion of the wheel. Pedaling also useful as an exercise. Pedal Power is converted into mechanical work. This Circular motion of the pedal crank is converted into reciprocating or sometime oscillatory motion to drive Hacksaw blade. Generally Hacksaw is operated by manually, hydraulically, electrically motor or pulley commonly used in industries and workshop. \u2018To and pro' motion of the hacksaw blade should cut the required material.\r\n\r\n\r\nFig. Pedal Operated Hacksaw project\r\n\r\nComponents requirement and their Design Guideline:\r\n\r\n1. Bicycle Model:\r\n\r\nProper and comfortable seating arrangement must be design so it will produce less Operator Fatigue. Seat height is selected according to Ergonomics principles and Using anthropometric data. Other Dimensions of Frame should be selected by considering same effect. Handles should be there for proper pulling force or griping purpose. Simple pipes can be welded together to form a Frame with Seating and Stand arrangement.\r\n\r\n2. Connecting Rod:\r\n\r\nIt is a simple rod which connect the Crank i.e. pedal shaft and Hacksaw Blade. The connection mechanism shown in figure. One end of rod is connected to pedal by using any scrap round part for exa.-Bearing recess. Hacksaw blade is connected by welding to other end of rod.\r\n\r\nFig. Connection mechanism for pedal and Rod\r\n\r\n\r\n3. Hacksaw:\r\n\r\nA hacksaw is a fine-tooth saw with a blade under tension in a frame, used for cutting materials such\r\nas metal or plastics. \u00a0Hand-held hacksaws consist of a metal arch with a handle, usually a pistol grip, with pins for attaching a narrow disposable blade.A screw or other mechanism is used to put the thin blade under tension.\r\n\u00a0\r\nRefer\u00a0:\u00a0Hacksaw Designation | How to Buy Hacksaw ?\r\n\r\n4. V Block\r\n\r\nV-Blocks are precision metalworking jigs typically used to hold round metal rods or pipes for performing drilling or milling operations. They consist of a rectangular steel or cast iron block with a 90-degree channel rotated 45-degrees from the sides, forming a V-shaped channel in the top. A small groove is cut in the bottom of the \"V\". They often come with screw clamps to hold the work. There are also versions with internal magnets for magnetic work holding. V-blocks are usually sold in pairs.\r\n\r\n\r\nFig. Job holding device- V Block\r\n\r\n5. Guide to Hacksaw\r\n\r\nHacksaw is guided by guide mechanism. One simple plate can be used to guide the Hacksaw blade.\r\n\r\nAdvantages:\r\n\u00a0\r\n\u2022 Power saving as it is manually operated\r\n\u2022 Easy mechanism and simple construction\r\n\u2022 As it is pedal operated so good for health\r\n\u2022 Comfortable then ordinary hacksaw\r\n\r\nDisadvantage:\r\n\u00a0\r\n\u2022 It\u2019s totally manually operated.\r\n\u2022 Time consuming \u00a0as compared to electrical power hacksaw\r\n\u2022 Without human effort it\u2019s not operated.\r\n\u2022 Not fit for heavy production.\r\n\r\nApplication :\r\n\r\nThis project can be applicable to cut small round, square Bars. Application range is depended on selection of Hacksaw blade as well as RPM required, type of material, type of jobs and total hardness of the material which is to be cut.\r\nDownload:\r\n\r\n1) PPT Presentation :\u00a0Free \u00a0Download PPT Presentation of 'Fabrication Of Pedal Powered Hacksaw Machine'\r\n\r\n\r\n\r\n\r\nMore Resources \/articles\r\nCAD Software | CAD Tutorials\r\nMaterial Handling Projects\r\nProject Sample report , Final report Download\r\nProduct Ideas , Innovative Machine Ideas Projects\r\nCAD \/ CAM Projects List - Abstract , Report Download\r\n\r\n\r\n\r\n&nbsp;","headline":"Pedal Operated Direct Simple Hacksaw Project","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/m.gunkrazy.com\/"},"datePublished":"2015-01-30","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2015\/01\/PedalOperatedHacksawmechanicalprojectcopy-300x180.jpg","height":180,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal "> <a href="//m.gunkrazy.com/fabrication-of-pedal-powered-dual-chain/" rel="nofollow"><div class="image-container" style="background-image: url('//m.gunkrazy.com/wp-content/uploads/2015/01/FabricationOfPedalPoweredHacksawMachine-300x191.jpg')"></div><span class="sr-only">link to Fabrication Of Pedal Powered Dual Chain Hacksaw Machine</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//m.gunkrazy.com/fabrication-of-pedal-powered-dual-chain/">Fabrication Of Pedal Powered Dual Chain Hacksaw Machine</a></p></header><div class="excerpt"><p>Fabrication Of Pedal Powered Dual Chain Hacksaw Machine
Abstract:  Pedal operated hacksaw machine which can be used for industrial applications and Household needs in which no specific input...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//m.gunkrazy.com/fabrication-of-pedal-powered-dual-chain/" aria-label="View Post: Fabrication Of Pedal Powered Dual Chain Hacksaw Machine">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Fabrication Of Pedal Powered Dual Chain Hacksaw Machine","url":"\/\/m.gunkrazy.com\/fabrication-of-pedal-powered-dual-chain\/","articleBody":"Fabrication Of Pedal Powered Dual Chain Hacksaw Machine\r\nAbstract:\r\n\r\nPedal operated hacksaw machine which can be used for industrial applications and Household needs in which no specific input energy or power is needed. This project consists of a sprocket arrangement, the crank and slider mechanism, the chain drive. In the mechanism, chain drive is directly connected to the hacksaw for the processing of cutting the wooden blocks. The objective of the paper is using the conventional mechanical process which plays a vital role. The main aim is to reduce the human effort for machining various materials such as wooden blocks, steel, PVC etc.\r\n\r\n\r\nFig.\u00a0Fabrication Of Pedal Powered Dual Chain Hacksaw Machine\r\n\r\n\r\n\r\nIntroduction to\u00a0Pedal Powered Hacksaw Machine\r\n\r\n\r\nPedal power is the transfer of energy from a human source through the use of a foot pedal and crank system. This technology is most commonly used for transportation and has been used to propel bicycles for over a hundred years. Less commonly pedal power is used to power agricultural and hand tools and even to generate electricity. Some applications include pedal powered laptops, pedal powered grinders and pedal powered water wells. Some third world development projects currently transform used bicycles into pedal powered tools for sustainable development. This project concentrates on pedal powered hacksaw machining. An individual can generate four times more power (1\/4 HP) by pedaling than by hand-cranking. At the rate of \u00bc HP, continuous pedaling can be served for only short periods, approximately 10 minutes. However, pedaling at half this power (1\/8 HP) can be sustained for close to 60 minutes but power capability can depend upon age [1-2]. As a consequence of the brainstorming exercise, it was apparent that the primary function of pedal power one specific product was particularly useful: the bicycle. Many devices can be run right away with mechanical energy . A saw is a tool that uses a hard blade or wire with an abrasive edge to cut through softer materials. The cutting edge of a saw is either a serrated blade or an abrasive. A saw may be worked by hand, or powered by steam, water, electric or other power. An abrasive saw uses an abrasive disc or band for cutting, rather than a serrated blade.\r\n\r\nComponents required\u00a0\r\n\r\n\r\n \tPedal arrangement\r\n \tStand setup parts\r\n \tSupporting frame\r\n \tCrank and slider mechanism\r\n \tHacksaw assembly\u00a0\r\n \tRefer\u00a0:Hacksaw Designation | How to Buy Hacksaw ?\r\n \tDual chain drive assembly\r\n \tSprockets\u00a0\r\n\r\n\r\n\r\nFig. Pedal Operated dual chain hacksaw\r\n\r\n\r\n\r\nFabrication\u00a0\r\n\r\n\u00a01. Pedal arrangement\u00a0\r\n\u00a0\r\nA pair of pedals is attached to the stand setup in which the power will be generated manually. A typical Bicycle arrangement is used.\u00a0\r\n\r\n2. Stand setup parts\u00a0\r\n\u00a0\r\nStands are introduced to immobilize the apparatus. Various components used are fixed to this arrangement. The chassis of the bicycle is used as the stand setup parts\r\n\r\n3. Crank and slider mechanism\u00a0\r\n\u00a0\r\nThis mechanism is used to convert the rotary motion of the crank into the reciprocating motion of hacksaw. The lengths of the crank and connecting rods are made using trial and error method. The hack saw is guided by an aluminum plate. The vertical movement of the hacksaw will be guided by to iron rods. The vertical movement will act as a feeding unit. Two sets of chain drives are made. The primary chain drive will transmit the power from the pedal to the secondary chain drive. The secondary chain drive will increase the speed of the rotation.\u00a0\r\n\r\n\r\n\r\n\r\npedal operated hacksaw dual chain\r\n\r\n\r\n\r\nAdvantages:\r\n\r\n\r\n \tEasy to operate\r\n \tSimple in construction\r\n \tLow cost\r\n \tEasy to maintain\r\n \tCutting of soft and thin pieces\r\n \tSave the electrical power\r\n\r\nDisadvantages:\r\n&nbsp;\r\n\r\n \tNot suitable for continuous operation\r\n \tTime consuming as compared to electrical power hacksaw\r\n \tNot fit for heavy production.\r\n \tWithout human effort it\u2019s not\r\n\r\nApplications :\r\n&nbsp;\r\n\r\n \tIt is applicable in small scale industries etc\u2026,\r\n\r\n--------------------------------------------------------------------------------------------------------------------------\r\nDownload:\r\n1) Literature Review :\u00a0Free Download Paper Related to 'Fabrication Of Pedal Powered Dual Chain Hacksaw Machine'\r\n\r\n2) PPT Presentation :\u00a0Free \u00a0Download PPT Presentation of 'Fabrication Of Pedal Powered Dual Chain Hacksaw Machine'\r\n\r\n--------------------------------------------------------------------------------------------------------------------------\r\n\r\n\r\nMore Resources \/articles\r\nCutting , Hacksaw Machine Projects\r\nMachine Shop Projects List , Abstract\r\nmaxbutton id=\"55\"]\r\nPedal Operated (Bicycle ) projects\r\nWater Pump Projects\r\nLatest seminar topic index - Report ,PPT Download\r\n\r\n\r\n\r\n&nbsp;","headline":"Fabrication Of Pedal Powered Dual Chain Hacksaw Machine","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/m.gunkrazy.com\/"},"datePublished":"2015-01-28","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2015\/01\/FabricationOfPedalPoweredHacksawMachine-300x191.jpg","height":191,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal "> <a href="//m.gunkrazy.com/seminar-shot-peening-full-report-and/" rel="nofollow"><div class="image-container" style="background-image: url('//m.gunkrazy.com/wp-content/uploads/2015/01/shotpeeningprinciple-300x121.jpg')"></div><span class="sr-only">link to Seminar | Shot Peening Full report and PPT Download</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//m.gunkrazy.com/seminar-shot-peening-full-report-and/">Seminar | Shot Peening Full report and PPT Download</a></p></header><div class="excerpt"><p>Introduction to Shot Peening 
Shot peening is a cold working process in which the surface of a part is bombarded with small spherical media called shot. Each piece of shot striking the metal acts...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//m.gunkrazy.com/seminar-shot-peening-full-report-and/" aria-label="View Post: Seminar | Shot Peening Full report and PPT Download">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Seminar | Shot Peening Full report and PPT Download","url":"\/\/m.gunkrazy.com\/seminar-shot-peening-full-report-and\/","articleBody":"Introduction to Shot Peening\u00a0\r\nShot peening is a cold working process in which the surface of a part is bombarded with small spherical media called shot. Each piece of shot striking the metal acts as a tiny peening hammer, imparting a small indentation or dimple on the surface. In order for the dimple to be created, the surface layer of the metal must yield in tension. Below the surface, the compressed grains try to restore the surface to its original shape, producing a hemisphere of cold-worked metal highly stressed in compression . Overlapping Dimples develop a uniform layer of residual compressive stress.\r\n\r\n\r\nshot peening principle\r\n\r\n&nbsp;\r\n\r\nPeening Action\u00a0\r\n\r\nWhen individual particles of shot in a high-velocity stream contact a metal surface, they produce slight, rounded depressions in the surface, stretching it radially and causing plastic flow of surface metal at the instant of contact. In the stress distribution that results, the surface metal has induced or residual compressive stress parallel to the surface, while metal beneath has reaction-induced tensile stress.\u00a0 Peening action improves the distribution of stresses in surfaces that have been disturbed by grinding, machining, or heat treating.\r\n\r\n\u00a0\r\n\r\nEquipment Used for Shot Peening\r\n\r\n\r\nThe principal components of shot peening equipment are a shot-propelling device, shot recycling and classification arrangements, and a work handling conveyor.\r\n\r\n\r\nThe air blast method introduces the shot, either by gravity or by direct pressure, into a stream of compressed air directed through a nozzle onto the work to be peened. Air blast method can develop higher intensities with small shot sizes, permits the peening of deep holes and cavities by using a long nozzle, consumes less shot in peening small areas on intricate parts, and has lower initial cost.\r\n\r\nFig. Shot Peening Machine\r\n\r\nMethods Used For Shot Peening\u00a0\r\n\r\n\r\nConventional (Mechanical) Shot Peening \u2013\r\nConventional shot peening is done by two methods. \u00a0Method one involves accelerating shot material with compressed air. \u00a0Shot is introduced into a high velocity air stream that accelerates the shot to speeds of up to 250 ft\/s. \u00a0The second method involves accelerating the shot with a wheel.\u00a0\r\n\r\n\r\nLaser-shot Peening \u2013\r\n\r\nLaser-shot peening utilizes shock waves to induce residual compressive stress. \u00a0The primary benefit of the process is a very deep compressive layer with minimal cold working. \u00a0Layer depths up to 0.40\u201d on carburized steel and 0.100\u201d on aluminum alloys have been achieved. \u00a0Mechanical peening methods can only produce 35% of these depths. \u00a0\r\n\r\nDual Peening\u00a0\r\nDual peening further enhances the fatigue performance from a single shot peen operation by re-peening the same surface a second time with smaller shot and lower intensity. \u00a0Peening the surface a second time drives the peaks into the valleys, further increasing the compressive stress at the surface.\r\n\r\nStrain Peening\u00a0\r\nWhere dual peening increases the compressive stress on the outer surface of the compressive layer, strain peening develops a greater amount of compressive stress throughout the entire compressive layer. \u00a0This additional stress is generated by preloading the part within its elastic limit prior to shot peening. \u00a0When the peening media impacts the surface, the surface layer is yielded further in tension because of the preloading. \u00a0The additional yielding results in additional compressive stress when the metal\u2019s surface attempts to restore itself.\r\n\r\nParameter Selection\r\n\r\nThe choice of shot peening parameters is dependent on a variety of conditions:\r\n\r\n \tKnowledge of the application of the component\r\n \tComponent geometry\r\n \tManufacturing method\r\n \t\u00a0Mechanical properties of the base material\r\n \tStrain sensitivity of the base material\r\n \t\u00a0Environment\r\n \tService conditions, loads and cycles\r\n \tCost sensitivity\r\n\r\n&nbsp;\r\n\r\nFollowing process controls are used and critical to maintaining process integrity: \u00a0\r\n\u2022 Media\r\n\u2022 Intensity\r\n\u2022 Coverage\r\n\u2022 Equipment &amp; Process Integrity\r\n\r\n\r\nApplication of Shot Peening \r\n\r\n\r\nAfter Some Manufacturing Processes\r\n\r\nProcesses like Grinding , Electro Discharge machining (EDM), Plating , Electro-Chemical Machining (ECM), Anodizing, Plasma, Decarburization\r\n\r\n\r\n\r\nSERVICE EFFECTS REMEDIED BY SHOT PEENING\r\n\r\nCavitation Damage, Fretting and Fretting Fatigue, Galling, Pitting, Crack Arrest, Stress Corrosion Cracking , Figure shows the concept of compressive crack arrest.\r\n\r\nPRODUCTS BENEFITTING FROM SHOT PEENING\r\n\r\n\r\n\r\n \tJet Engine Blades\r\n \tConnecting Rods\r\n \tCrankshafts\r\n \tGears\r\n \tShafts and Axles\r\n \tSprings\r\n \tTorsion Bars\r\n\r\nFig. Shot Peening Of the Gear\r\n\r\n\r\nBenefits Of Shot Peening\u00a0\r\n\r\n\r\n\r\n \tEnhances fatigue strength.\r\n \tImproves ultimate strength.\r\n \tPrevents cracking due to wear.\r\n \tPrevents corrosion.\r\n \tPrevents fretting.\r\n \tPossible to increase the fatigue strength of damaged parts extending the wear.\r\n \t\r\n \tIncreases lubricity by creating small pores in which lubricants can accumulate.\r\n \tLeaves a uniformly textured, finished surface ready for immediate use or paint and coatings.\r\n \tCan be used to curve metal or straighten shafts without creating tensile stress in a Peen forming process.\r\n\r\n\r\nShot Lining\r\n\r\n\r\nIn this method the thin foil can be joined to the surface of the substrate bringing about large plastic deformation and the pressure generated by the hit of many shots are utilized for the joining.\u00a0\r\nThe lining process using shot peening is suitable for the joining of thin and dissimilar foils required for the improvement of surface properties. By means of peening with many shots, the foil is successfully joined over the surface of the substrate.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nFig. Shot Lining\r\n\r\n\r\n--------------------------------------------------------------------------------------------------------------------------\r\n\r\n\r\nDownload\r\n\r\n1) Shot Peening Seminar PPT Presentation Free Download\r\n\r\nPPT includes Following Objectives:\r\n\r\n\r\n \tIntroduction to shot peening\u00a0\r\n \tDifference between shot peening and shot blasting ??\r\n \tEquipment used for shot peening\u00a0\r\n \t\r\n\r\nProcess specification\u00a0\r\n\r\nProcess control parameters\u00a0\r\n \t\r\nApplication of shot peening in for various purpose\r\n \t\r\nBenefits and limitations of shot peening\r\n\r\n\r\n\r\n\r\n\r\n2) Shot Peening Full Report in Pdf Free Download\r\n\r\n--------------------------------------------------------------------------------------------------------------------------\r\n\r\n\r\n\r\n\r\n\r\nMore Resources \/articles\r\nLatest seminar topic index - Report ,PPT Download\r\nTheory of Machine Article , Notes , Question and Answer\r\nMechanical Subjectwise Basic Concept Notes ,Articles\r\nLatest seminar topic index - Report ,PPT Download\r\n\r\n\r\n\r\n&nbsp;","headline":"Seminar | Shot Peening Full report and PPT Download","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/m.gunkrazy.com\/"},"datePublished":"2015-01-27","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2015\/01\/shotpeeningprinciple-300x121.jpg","height":121,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal "> <a href="//m.gunkrazy.com/gate-mechanical-mock-test-2015/" rel="nofollow"><div class="image-container" style="background-image: url('//m.gunkrazy.com/wp-content/uploads/2015/01/GATE-2015-Mock-TEST-300x203.jpg')"></div><span class="sr-only">link to GATE Mechanical Mock Test 2015</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//m.gunkrazy.com/gate-mechanical-mock-test-2015/">GATE Mechanical Mock Test 2015</a></p></header><div class="excerpt"><p>Gate 2015 examination is started on 1 Feb 2015. First of all, I would like to wish 'ALL THE BEST' for Gate Exam. Before appearing this exam., we all well known that Gate exam is a ONLINE Examination....</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//m.gunkrazy.com/gate-mechanical-mock-test-2015/" aria-label="View Post: GATE Mechanical Mock Test 2015">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"GATE Mechanical Mock Test 2015","url":"\/\/m.gunkrazy.com\/gate-mechanical-mock-test-2015\/","articleBody":"Gate 2015 examination is started on 1 Feb 2015. First of all, I would like to wish 'ALL THE BEST' for Gate Exam. Before appearing this exam., we all well known that Gate exam is a ONLINE Examination. So, there may be chance of confusion and mistakes while attending the Online Exam Process.To avoid this posibility Official Mock test is provided by\u00a0http:\/\/gate.iitk.ac.in\/\u00a0.\u00a0\r\n\r\nI suggest everybody should take a look of MOCK TEST rather Tutorial of examination. It will definitely build your confidence and create well awareness about examination Process.\r\n\r\n\r\n\r\nHow to Start MOCK TEST for Mechanical Engg.\r\n1) \u00a0Click here to start the MOCK TEST 2015 .\r\n\r\n2) Login to Mock Test by default Roll No and Password (you need not to do anything on this page, just hit Sign in \u00a0Button)\r\n\r\n3) Instruction Pop-up window : After clicking Login,\u00a0Instruction window will come. Read all General Instruction carefully.\r\n\r\n4) At last you will get a tick mark box - tick there by mouse (without tick mark test will not start)\r\n\r\n5) Click on 'I am Ready To Begin'\r\n\u00a0\r\n6) Attend the test.","headline":"GATE Mechanical Mock Test 2015","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/m.gunkrazy.com\/"},"datePublished":"2015-01-26","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2015\/01\/GATE-2015-Mock-TEST-300x203.jpg","height":203,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal "> <a href="//m.gunkrazy.com/project-pedal-poweredoperated-centrifugal-pump/" rel="nofollow"><div class="image-container" style="background-image: url('//m.gunkrazy.com/wp-content/uploads/2015/01/PedalOperatedcentrifugalpumpproject-300x236.jpg')"></div><span class="sr-only">link to Project | Pedal Powered/Operated Centrifugal Pump (PPCP)</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//m.gunkrazy.com/project-pedal-poweredoperated-centrifugal-pump/">Project | Pedal Powered/Operated Centrifugal Pump (PPCP)</a></p></header><div class="excerpt"><p>Introduction to Pedal Powered/Operated Centrifugal Pump (PPCP)
Pedal Powered Centrifugal Pump (PPCP) is an eco friendly water pump. The PPCP works on mechanical energy without electricity. PPCP...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//m.gunkrazy.com/project-pedal-poweredoperated-centrifugal-pump/" aria-label="View Post: Project | Pedal Powered/Operated Centrifugal Pump (PPCP)">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Project | Pedal Powered\/Operated Centrifugal Pump (PPCP)","url":"\/\/m.gunkrazy.com\/project-pedal-poweredoperated-centrifugal-pump\/","articleBody":"Introduction to\u00a0Pedal Powered\/Operated Centrifugal Pump\u00a0(PPCP)\r\nPedal Powered Centrifugal Pump (PPCP) is an eco friendly water pump. The PPCP works on mechanical energy without electricity. PPCP provides drinking water and irrigation in remote areas where electricity is not available. PPCP is not only free from pollution but also provide healthy exercise. PPCP reduces the rising energy costs. PPCP \u00a0is \u00a0designed \u00a0as \u00a0a \u00a0portable \u00a0one \u00a0which \u00a0can be used for irrigation \u00a0in \u00a0various places. \u00a0PPCP consists of a centrifugal pump operated by pedal power. The centrifugal pump is positioned on its stand in such a way that driven shaft of the centrifugal pump is butted to the bicycle wheel. By pedaling the bicycle, the bicycle wheel rotates, thereby rotating the centrifugal pump which in turns discharges water from the sump. \u00a0\r\n\r\nConstruction Of Pedal Operated Centrifugal Pump :\r\n\r\n\r\nFig. Rough sketch of Pedal Operated Centrifugal Pump Project.\r\n\r\nThe mechanism consists of single centrifugal pump which is fixed with the rear wheel bicycle. Paddling for just a minute for just a minute or two is enough to pump 30-40 liters of water to a height of 100 feet. Our project could prove helpful for rural areas. It can be used mainly for irrigation and water drawing from wells and other water bodies. The centrifugal water pump which is run by rotating the pedal of a cycle. The system comprises a bicycle, rim, impeller, pulley and inlet and delivery pipes. A bigger pulley is connected to rear wheel of bicycle. Smaller pulley is mounted on Centrifugal pump's shaft. This two pulleys are hold with 'V' type of belt.\u00a0 We drive a bicycle by using a paddling the wheel of the bicycle rotates a particular rpm. And this wheel rotates the impellers of the centrifugal pump by sliding action between wheel and pulley but the rpm of the wheel is very low so we can\u2019t get require head and power effort on the paddling is low so we can use the pulley which is mounted on the shaft of the pump and create the high rpm by using less power.\r\n\r\n\r\n\r\n\r\nFig. Pulleys and belt- Power Generation\r\n\r\n\r\nIn process operations, liquids and their movement and transfer from place to place, plays a large part in the process. Liquid can only flow under its own power from one elevation to a lower elevation or, from a high pressure system to a lower pressure system. \u00a0The flow of liquid is also affected by friction, pipe size, liquid viscosity and the bends and fittings in the piping.\r\nWorking mechanism of a Rotary Pump\u00a0\r\nA centrifugal pump is one of the simplest pieces of equipment in any process plant. Its purpose is to\r\nconvert energy of a prime mover (a electric motor or turbine) first into velocity or kinetic energy and then into pressure energy of a fluid that is being pumped. The energy changes occur by virtue of two main parts of the pump, the impeller and the volute or diffuser. The impeller is the rotating part that converts driver energy into the kinetic energy. The volute or diffuser is the stationary part that converts the kinetic energy into pressure energy.\u00a0\r\n\r\nCentrifugal Pumps\r\nThe pumps employing centrifugal effects for increasing fluid pressure have been in use for more than a century.The centrifugal pump, by its principle, is converse of the Francis turbine. The flow is radially outward, and the hence the fluid gains in centrifugal head while flowing through it. Because of certain inherent advantages,such as compactness, smooth and uniform flow, low initial cost and high efficiency even at low heads, centrifugal pumps are used in almost all pumping systems. However, before considering the operation of a pump in detail, a general pumping system is discussed as follows.\r\n\r\nThe simplest from of a centrifugal pump is shown in Figure . It consists of three important parts:\r\n\u00a0(i) the rotor, usually called as impeller,\u00a0\r\n(ii) the volute casing and\u00a0\r\n(iii) the diffuser ring.\u00a0\r\nThe impeller is a rotating solid disc with curved blades standing out vertically from the face of the disc. The impeller may be single sided (Figure.a) or double sided (Figure b). A double sided impeller has a relatively small flow capacity.\r\n\r\n\r\ncentrifugal pump\r\n\r\nPerformance characteristics of a pump\r\nPump curves relate flow rate and pressure (head) developed by the pump at different impeller sizes and rotational speeds. The centrifugal pump operation should conform to the pump curves supplied by the manufacturer. In order to read and understand the pump curves, it is very important to develop a clear understanding of the terms used in the curves.\r\n\r\nThere are there performance characteristics of pump:\r\n1. Head developed by the pump (H)\r\n2. Brake horse power (BHP)\r\n3. Efficiency of the pump\u00a0\r\n-all plotted against the flow rate.\r\n\r\n\r\n\r\nFig. Performance characteristics of a pump\r\n\r\n\r\n\r\nConclusion (Or\u00a0Advantages):\r\n\r\nThe whole study over the topic that the wheel deal bicycle powered water pump is a very advantageous especially for rural areas\u00a0\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0The problem of energy crises is very big in India and many rural powered water pump by use of this project we save electricity and get a particular water head and we supply the water in irrigation. We will operate a water pump by using bicycle mechanism in the project and we can fill the water tank of housing power and get construction work. when we drive a bicycle the wheel of bicycle are rotate so we can provide a pulley over the wheel the pulley is mounted on the shaft impeller of impeller of the pump the impeller is rotate due to rotating of wheel with rotation of \u00a0pulley. So we operate the pump and deliver the water at a particular head this project is installed any of the place where water. Create a simple and efficient way of pumping water utilizing a human powered bicycle for communities where electricity is unavailable or impractical. Isolated community with or without electricity \u00a0in \u00a0need \u00a0of \u00a0efficient \u00a0water pumping. Pumps can be adapted to fit individual community needs.\r\n\r\nAlternative mechanism for this project:\r\n\r\n\r\nFig. Pedal Operated Centrifugal Pump Project Mechanism\r\n\r\n\r\n\u00a0\r\n\r\n\r\n\r\nMore Resources \/articles\r\nMaterial Handling Projects\r\nMachine Shop Projects List , Abstract\r\nAgricultural Project List - Abstract , Report Download\r\nTheoretical Project, Experimental Based projects\r\n\r\n\r\n\r\n&nbsp;","headline":"Project | Pedal Powered\/Operated Centrifugal Pump (PPCP)","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/m.gunkrazy.com\/"},"datePublished":"2015-01-26","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2015\/01\/PedalOperatedcentrifugalpumpproject-300x236.jpg","height":236,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal "> <a href="//m.gunkrazy.com/project-pedal-operated-washing-machine/" rel="nofollow"><div class="image-container" style="background-image: url('//m.gunkrazy.com/wp-content/uploads/2015/01/workingmodelofpedaloperatedwashingmachine-300x180.jpg')"></div><span class="sr-only">link to Project | Pedal Operated Washing Machine</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//m.gunkrazy.com/project-pedal-operated-washing-machine/">Project | Pedal Operated Washing Machine</a></p></header><div class="excerpt"><p>Project | Pedal Operated Washing Machine 
Abstract:
Pedal Powered Washing Machine (PPWM) is a low cost washing machine made up of easily and readily available scrap parts in daily life. It is a...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//m.gunkrazy.com/project-pedal-operated-washing-machine/" aria-label="View Post: Project | Pedal Operated Washing Machine">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Project | Pedal Operated Washing Machine","url":"\/\/m.gunkrazy.com\/project-pedal-operated-washing-machine\/","articleBody":"Project | Pedal Operated Washing Machine\u00a0\r\nAbstract:\r\nPedal Powered Washing Machine (PPWM) is a low cost washing machine made up of easily and readily available scrap parts in daily life. It is a machine which generates power through human pedaling and with the drive mechanism, converts the pedaling motion into required rotary motion of the drum. Its innovation lies in its simple design, use of inexpensive parts, very low repairing and maintenance cost, affordability to each member of the society and it does not affect the environment. Our team intends to directly address the problems faced in washing clothes, and thus have developed a new design for easy effort in washing, rinsing and drying clothes. PPWM is a completely new concept, which in its one laundry cycle does washing, rinsing and drying of clothes similar to that of an automatic washing machine available in the market.\r\n\r\nPedal Operated Washing Machine\r\n\r\n\r\n\r\nProject has the following objectives \u2013\r\n1) Provide a low cost machine.\r\n2)\u00a0A very effective machine which is not only cheap but \u00a0has low maintenance cost. It should have readily available components and should be ergonomically efficient.\r\n3) Wash any type of cloth.\r\n4) Must have all the mechanisms \u2013 Washing, Rinsing, and Spinning.\r\n\r\nDesign Of Pedal Operated Washing Machine:\r\nClothes are washed in pedal powered washing machine like in any other washing machine in 3 basic steps:\r\n1. Washing\r\n2. Rinsing\r\n3. Spin drying\r\n\r\nDesign of Wash Mechanism\u00a0\r\n\r\nThe washing of clothes in front loading washing machines requires that the tub of the washing machine executes rotations in both senses i.e. clockwise for some time, then anti-clockwise for some-time and then again clockwise and so on. The shaft connected to the bicycle rotates in one direction\r\nonly so some mechanism had to be designed by which the sense of rotation could be changed i.e. the power obtained from a shaft rotating in one direction had to be modified so as to execute rotation in both senses in a periodic way. Thus rack and pinion arrangement was used. In this mechanism the rack would reciprocate and a pinion would mesh with the reciprocating rack, as the direction of motion of the rack changes, the sense of rotation of the pinion would also change and the required objective shall be accomplished. The reciprocating motion of the rack from a shaft rotating in one\r\ndirection could be achieved in two ways:\r\n\r\n\u00a0i. Quick Return Mechanism\r\nii. Slider Crank Mechanism\r\n\r\n\r\nDesign of wash mechanism\r\n\r\n\r\n\r\nDesign of Rinse and Spin dry Mechanism\u00a0\r\n\r\nFor the rinsing and spin dry the tub needs to rotate in one direction only. One of the important parameters for rinse and spin dry processes is the speed at which the tub rotates. Since there was no need for us to change the sense of rotation for rinsing and spin dry processes, it could be achieved simply by meshing of gears having the proper gear ratio. In the case of pedal powered washing machine, we required a reduction ratio of 2 for the spin and rinsing processes, so appropriate gears were made to mesh and the drive was finally sent to the tub to execute rotations at high speeds for the rinsing and spin dry processes.\r\n\r\n\r\nDesign of Drive Selector\u00a0\r\n\r\nIn order to switch between the wash mode and the rinse and spin dry mode a drive selector was designed by the use of which the tub could be made to rotate in the desired mode by the user. The drive selector has a very simple design; it consists of a hollow pipe on which a gear (drive selector gear) is mounted. The hollow pipe has a hole for a bolt to pass through. This hollow pipe can move over a solid pipe which has holes in two positions where the hollow pipe can be bolted. In one of the positions, the drive selector gear meshes with the spin and rinse gear as shown in the image and in the\r\nother position it meshes with the wash gear. Accordingly the tub rotates in the desired mode.\r\n\r\n\r\n\r\nDetails of part design is explained in pdf file.\r\n\r\nDesign of Drive Selector\r\n\r\n\r\n--------------------------------------------------------------------------------------------------------------------------\r\n\r\nADVANTAGES\u00a0\r\n\u00a0\r\nPPWM offers certain advantages over a standard (simple) washing machine used. Listed below are some of the\r\n\r\nAdvantages \u2013 \u00a0\r\n1. \u00a0Eco friendly and non-polluting in every way.\r\n2. \u00a0Less noisy\r\n3. The machine has low manufacturing cost. It is highly economical and affordable to all class of people.\r\n4. Works without electricity so it can be an ideal machine for the people in the electricity deficient Indian villages\r\n5. Less tiring than conventional washing techniques by hand. This would greatly contribute in increasing the productivity of the manual laundries all over the world.\r\n6. Lesser chances of failure than electronic washing machine as the mechanical systems used in the machine have stood the test the time.\r\n7. More reliable: \u00a0Due to simplicity of design the chances of failure are reduced drastically thus making the machine all the more reliable.\r\n8. \u00a0Lesser maintenance required: Maintenance of PPWM involves mostly lubricating the various parts which can be done even at home so maintenance cost are drastically cut down.\r\n9. Zero operating cost: Since the machine is manually driven.\r\n10. Very effective in protecting the hands of washer men from the harmful effects of the chemicals in the detergents.\r\n11. \u00a0It would help to reduce the physical stress which is applied on the hands during washing clothes.\r\n\r\nCONCLUSION\u00a0\r\n\r\nThe main objective is to provide a product with an alternative \u00a0way to wash clothes when there is no electricity. It has to be \u00a0understood that in rural areas, it is a very stressful and laborious task. So the product which is a pedal driven machine, it satisfies the need of rural people by giving them an\r\nalternative way of washing clothes which is quick, cost effective and eco-friendly. The product designed has zero operating cost, is cost-effective, and it can be used with minimal effort.\r\nReference:http:\/\/www.ijstr.org\/final-print\/nov2014\/Pedal-Powered-Washing-Machine-ppwm.pdf\r\n(Adarsh Ranjan, Kushagra Sharan, Sudeep Mazumdar)\r\n\r\n\r\n\r\nMore Resources \/articles\r\nMachine Tool , Manufacturing Projects List - Abstract , Report\r\nSheet Metal Fabrication Projects\r\nWater Pump Projects\r\nStrength of material- Notes , articles , Interview Que. &amp; Ans\r\n&nbsp;\r\n\r\n\r\n\r\n&nbsp;","headline":"Project | Pedal Operated Washing Machine","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/m.gunkrazy.com\/"},"datePublished":"2015-01-26","mainEntityOfPage":"False","dateModified":"January 19, 2023","image":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2015\/01\/workingmodelofpedaloperatedwashingmachine-300x180.jpg","height":180,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <nav class="pagination-wrapper" aria-label="article pagination"> <a class="prev page-numbers" href="?page_num=332">&laquo; PREV</a> <a class="page-numbers" href="?page_num=1"><span class="screen-reader-text">Page </span>1</a> <span class="page-numbers dots">&hellip;</span> <a class="page-numbers" href="?page_num=331"><span class="screen-reader-text">Page </span>331</a> <a class="page-numbers" href="?page_num=332"><span class="screen-reader-text">Page </span>332</a> <span aria-current="page" class="page-numbers current"><span class="screen-reader-text">Page </span>333</span> <a class="page-numbers" href="?page_num=334"><span class="screen-reader-text">Page </span>334</a> <a class="page-numbers" href="?page_num=335"><span class="screen-reader-text">Page </span>335</a> <span class="page-numbers dots">&hellip;</span> <a class="page-numbers" href="?page_num=338"><span class="screen-reader-text">Page </span>338</a> <a class="next page-numbers" href="?page_num=334">NEXT &raquo;</a></nav></section></main><aside id="secondary" class="widget-area"><div class="about-wrapper"><h2 class="widget-title" style="background: #d693c6; color: #ff392e">About Us</h2><div class="about-image" style="background-image: url('//m.gunkrazy.com/wp-content/uploads/2020/03/Sachin-Thorat-300x300-min.png')"></div><p class="about-copy">LearnMech.Com is a Mechanical Project-oriented platform run by Sachin Thorat who is a B-Tech Graduate in Mechanical Engineering. 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