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url('//www.gunkrazy.com/wp-content/uploads/2018/07/Orbital-Welding-Process-Equipment-Application-min-1.png')"> <a href="//www.gunkrazy.com/manufacturing-technology-notes/"><h2 class="card-title">Manufacturing Technology Notes</h2> </a></article></section><main id="main" class="site-main"><section class="articles-wrapper"><h2 class="section-header-text">Recent Posts</h2><article class="article-card horizontal "> <a href="//www.gunkrazy.com/drawing-for-90-degree-turning-steering/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2017/09/DRAWINGFOR90DEGREETURNINGSTEERINGMECHANISM-300x235.png')"></div><span class="sr-only">link to 90 DEGREE TURNING STEERING MECHANISM Automobile Mechanical Project</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/drawing-for-90-degree-turning-steering/">90 DEGREE TURNING STEERING MECHANISM Automobile Mechanical Project</a></p></header><div class="excerpt"><p>90 Degree Turning Steering Mechanism -Mechanical Projects  SYNOPSIS  In this project we are fabricate the four wheel drive with 90 degree rotation. This is a new innovative concept. Here we are...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/drawing-for-90-degree-turning-steering/" aria-label="View Post: 90 DEGREE TURNING STEERING MECHANISM Automobile Mechanical Project">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"90 DEGREE TURNING STEERING MECHANISM Automobile Mechanical Project","url":"\/\/www.gunkrazy.com\/drawing-for-90-degree-turning-steering\/","articleBody":"90 Degree Turning Steering Mechanism -Mechanical Projects\r\n\r\nSYNOPSIS\r\n\r\nIn this project we are fabricate the four wheel drive with 90 degree rotation. This is a new innovative concept. Here we are doing the equipment by the following arrangements with motor, chain drive, keypad, vehicle model, battery and control unit. This concept is very useful to reduce the parking time in shopping complex, hotels, etc\r\n\r\nWORKING PRINCIPLE\r\nIn this project battery provides the power supply to the control unit. The equipment contains totally six motors, two motors are coupled with the vehicle\u2019s left and right wheels of the front side, the next two motors are connected to the vehicle\u2019s left and right side of the back side. The four motors are used to run the vehicle. Another two motors are connected to rotate the vehicle wheel 90 degree by the chain drive arrangements. The keypad in the control unit has six keys they are left, right, forward, reverse, park left, and park right. We press the left key in the keypad the vehicle turns left side in a required angle, we press the right key in the keypad the vehicle turns at right side in a required angle, similarly the forward and reverse motion of the vehicle are controlled by the forward and reverse key in the keypad. We want to park the vehicle in left side by press the park left key then the motor connected in the chain drive is turns the wheel left side 90 degree automatically, then the vehicle is parked in the left side, this process is same as right side. Using this we can easily park the vehicle in various areas.\r\n\r\nDRAWING FOR 90 DEGREE TURNING STEERING MECHANISM\r\n\r\nMERITS\r\n\r\n\r\n \tEasy to operate\r\n \tLess maintenance\r\n \tGood efficient\r\n\r\n\r\nDEMERITS\r\n\r\n\r\n \tNeed a separate power to operate the control unit\r\n\r\n\r\nAPPLICATIONS\r\n\r\n\r\n \tApplicable in all electrical four wheeler vehicles","headline":"90 DEGREE TURNING STEERING MECHANISM Automobile Mechanical Project","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2017-09-30","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2017\/09\/DRAWINGFOR90DEGREETURNINGSTEERINGMECHANISM-300x235.png","height":235,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/www.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="//www.gunkrazy.com/19-design-consideration-in-sheet-meta/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2017/09/sheetmetaldesignConsidearationextrutedcut-300x160.jpg')"></div><span class="sr-only">link to 19 Design Consideration In Sheet Metal | Machine Design</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/19-design-consideration-in-sheet-meta/">19 Design Consideration In Sheet Metal | Machine Design</a></p></header><div class="excerpt"><p>19 Design Consideration In Sheet Metal | Machine Design
Following are some basic sheet metal design, Thump rules  for Sheet metal Design
 
1. Bends   For the ease of manufacturing,...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/19-design-consideration-in-sheet-meta/" aria-label="View Post: 19 Design Consideration In Sheet Metal | Machine Design">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"19 Design Consideration In Sheet Metal | Machine Design","url":"\/\/www.gunkrazy.com\/19-design-consideration-in-sheet-meta\/","articleBody":"19 Design Consideration In Sheet Metal | Machine Design\r\nFollowing are some basic sheet metal design, Thump rules \u00a0for Sheet metal Design\r\n\u00a0\r\n1.\u00a0Bends\r\n\r\n\r\n \t\u00a0For the ease of manufacturing, multiple\u00a0bends on the same plane should occur in\u00a0the same direction.\r\n \tAvoid large sheet metal parts with small\u00a0bent flanges.\r\n \tIn low carbon steel sheet metal, the\u00a0minimum radius of a bend should be one-\u00a0half the material thickness or 0.80 mm\u00a0(0.03 inch), whichever is larger.\r\n \tBends specified as angles may be\u00a0tolerance\u00a0at plus or minus one-half\u00a0degree at a location adjacent to the bends.\r\n\r\n\u00a0\r\n\r\nEdge Flange Design Consideration\r\n\r\n&nbsp;\r\n\r\n\r\nRead more :\u00a0Sheet Metal Projects Ideas topics For Mechanical Engineers\r\n\r\n\r\n2.\u00a0Curls\r\n\r\n\r\n \tThe minimum radius is two times the\u00a0material thickness with an opening to a\u00a0minimum of one material thickness.\r\n \tThe minimum distance between a curl and\u00a0the edge of a hole is the radius of the curl\u00a0plus the material thickness.\r\n \tThe minimum distance a curl should be\u00a0from an internal bend is six times the\u00a0material thickness plus the radius of the\u00a0curl.\r\n \tThe minimum distance a curl should be\u00a0from an external bend is nine times the\u00a0material thickness plus the radius of the curl.\r\n\r\n\r\n\r\n\r\nsheet metal design Consideration curls\r\n\r\n3. Dimples\r\n\r\n \tThe maximum diameter should be six times the material thickness, and a maximum depth of one-half the inside diameter.\r\n \tThe minimum distance that a dimple should \u00a0be from a hole is three times the material thickness plus the radius of the dimple.\r\n \tThe minimum distance that a dimple should \u00a0be from the edge is four times the material \u00a0thickness plus the inside radius of the \u00a0dimple.\r\n \tThe minimum distance that a dimple should be from a bend is two times the material thickness plus the inside radius of the dimple plus the radius of the bend.\r\n \tThe minimum distance between one dimple and another is four times the material thickness plus the inside radius of each dimple.\r\n\r\nsheet metal design Consideration dimple\r\n\r\n4. Embossments\r\n\r\n\r\n \t\r\nThe maximum depth is proportional to the internal radius or material thickness.\r\n \t\r\nThe maximum depth for a flat embossment is equal to the internal radius plus the external radius.\r\n \t\r\nThe maximum depth for a V embossment is equal to three times the material thickness.\r\n\r\n\r\n\r\nEmbossments\r\n\r\nThe minimum distance between two extruded holes is six times the material thickness\r\n\r\n\r\n5.\u00a0Extruded Holes\r\n\r\n\r\n \t\r\nThe minimum distance from an extruded hole to an edge is three times the material thickness.\r\n \t\r\nThe minimum distance from an extruded hole to a bend is three times the material thickness plus the bend radius.\r\n\r\n\r\n\u00a0\r\nExtrude Cut ,Holes\r\n6. Flanges gap\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\nThe minimum height of a bent flange is\r\n\r\n\r\ndirectly related to the material thickness, bend\r\n\r\n\r\n\r\n\r\nradius, and length of bend.\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\nThe minimum width of a bend relief is one\r\n\r\n\r\nmaterial thickness or 1.50 mm (0.06 inch),\r\n\r\n\r\n\r\n\r\nwhichever is greater.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\u00a0\r\nFlange Gap\r\n7. Gussets\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe width and depth,\r\n\r\n\r\n\r\n\r\nrecommended at an angle of 45\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\ndegrees, is directly proportional to\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nthe radius and meterial thickness.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance that a\r\n\r\n\r\n\r\n\r\ngusset should be from the edge of\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\na hole in\u00a0a parallel plane is eight\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\ntimes the material thickness plus\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nthe radius of the gusset.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\u00a0\r\nGussets\r\n8. Hems\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum diameter of a teardrop hem is equal to the material thickness, with a return flange height equal to or greater than four times the material thickness, and a minimum opening of 1\/4 of the material thickness.\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum diameter of an open hem is equal to the material thickness with a return flange height equal to or greater than four times the material thickness.\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum return flange height of a closed hem is equal to or greater than four times the material thickness (the diameter is zero). \r\n\r\nNOTE: Closed hems tend to fracture at the bend and cause entrapment of solutions during the finishing process.\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance from a hole to a hem is two times the material thickness plus the radius of the hem.\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance a hem should be from an internal bend is five times the material thickness.\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance a hem should be from an external bend is eight times the material thickness.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nHem Design\r\n9. Holes\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum diameter of a hole should be equal to the materials thickness or 1.00 mm (0.04 inch), whichever is greater.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance between holes is directly proportional to the size and shape fo the hole feature and the material thickness\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance the edge of a hole should be from a form is three times the material thickness plus the form radius.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance the edge of a hole should be from a bend is two times the material thickness plus the bend radius.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance between a hole and the edge of the material is directly proportional to the size and shap of the hole and the material thickness.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance between the leading edge of a hole through a bend should be equal to the thickness of material plus the bend radius or two times the material thickness, whichever is greater.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nRead More :\u00a0What is Trepanning -Drilling large Holes in sheetmetal\r\n\r\n\r\n\r\n\r\n\r\n\r\n10.\u00a0Lances\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum width of an open lance is two times the material thickness or 3.00 mm (0.125 inch), whichever is greater, with a maximum length of five times the width.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum width of a closed lance is two times the material thickness or 1.60 mm (0.06 inch), whichever is greater, and a maximum height of five times the material thickness at a 45-degree angle.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance from a lance to a bend in a parallel plane is eight times the material thickness plus the radius of the bend.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n11.\u00a0\u00a0Notches\/ Relief cut\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum width is equal to the material thickness\u00a0or 1.00 mm (0.04 inch), whichever is greater.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe maximum length for a straight\/radius end notch is equal to five times the width.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe maximum length for a V notch is equal to two times the width.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance between a hole and the edge of a notch is directly proportional to the size\/shape of the hole and the material thickness.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance from a notch to a bend in a parallel plane is eight times the material thickness plus the radius of the bend.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance from a notch to a bend in a perpendicular plane is three times the material thickness plus the radius of the bend.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance beyond the bend on the side edge is equal to the thickness of the material plus the bend radius, or two times the material thickness, whichever is greater.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nNotches and Relief Cut\r\n\r\nThe maximum inside radius is equal to three times the material thickness, with a maximum depth of the inside radius.\r\n\r\n\r\n\r\n12.Ribs\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance from a center line of a rib to the edge of a hole is three times the material thickness plus the radius of the rib.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance a rib should be from an edge in a perpendicular plane is four times the material thickness plus the radius of the rib.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance a rib should be from an edge in a parallel plane is eight times the material thickness plus the radius of the rib.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \t\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe minimum distance a rib should be from a bend perpendicular to the rib is two times the material thickness, plus the radius of the rib, plus the radius of the bend.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n13.\u00a0\u00a0Semi-Pierced Hole\r\n\r\n\r\n\r\n\r\n \tThe minimum distance from a semi-pierced hole and a form is three times the material thickness plust the form radius.\r\n \tThe minimum distance from a semi-pierced hole and a bend is two times the material thickness plus the bend radius.\r\n \tThe minimum distance between semi-pierced holes is eight times the material thickness.\r\n\r\n\r\n14. Slots\r\n\r\n\r\n \tThe minimum width of a slot is equal to the material thickness or 1.00 mm (0.04 inch), whichever is greater.\r\n \tThe minimum distance from the inside surface of a bend to the edge of a slot is directly proportional to the length of the slot, material thickness, and radius of the bend.\r\n \tWhen using slots and tabs the maximum width of the slot must be greater than the thickness of the tab and the tab length should equal the material thickness.\r\n\r\n\r\n15. Tabs\r\n\r\n\r\n \tThe minimum width is equal to two times the material thickness or 3.200 mm, whichever is greater, while the maximum length is five times the width.\r\n \tThe minimum distance between tabs is equal to the material thickness or 1.00 mm (0.04 inch), whichever is greater.\r\n\r\n\r\n16. Counterbores\r\n\r\n\r\n \tThe minimum distance between two counterbores is eight times the material thickness.\r\n \tThe minimum distance from a counterbore to an edge is four times the material thickness.\r\n \tThe minimum distance from a counterbore to a bend is four times the material thickness plus the bend radius.\r\n\r\n\r\n17.Countersinks\r\n\r\n\r\n \t\u00a0The maximum depth is 3.5 times the material thickness at an angle of the hardware.\r\n \tA minimum of 50% contact between the hardware and the countersink is required.\r\n \tThe minimum distance between two countersinks is eight times the material thickness.\r\n \tThe minimum distance from one countersink and an edge is four times the material thickness.\r\n \tThe minimum distance from a countersink and a bend is four times the material thickness plus the bend radius.\r\n\r\n\r\n18.Welding\r\n\r\n\r\n \tSpot welding should be restricted to joining coplanar surfaces.\r\n \tThe minimum distance between welds is 10 times the material thickness. Using 20 times the material thickness is ideal.\r\n \tThe minimum distance between a weld and the edge is two times the diameter of the spot weld.\r\n \tThe minimum distance from a weld to a form is the spot diameter plus the bend radius.\r\n \tUse PEMs instead of threaded inserts.\r\n\r\nRead more about Welding : Welding\u00a0Online Notes , Objective and Interview Questions\r\n\r\n\r\n19. Plating\r\n\r\n\r\n \tOutside sharp corners receive twice as much plating as flat surfaces.\r\n \tAllow for pitch diameters for screw threads, which can increase four times the plating thickness.\r\n \tTapped holes may need to be re-tapped after plating to ensure accuracy.\r\n \tProjections accumulate more plating than other areas.\r\n \tRecessed areas may be difficult to plate, resulting in little or no coverage.\r\n \tLap-welded joints trap plating solutions. One solution is to raise welds on embossed areas by 0.015 in. (0.3 mm) to allow for flushing and blow drying between the surfaces.\r\n \tMaskings of stampings and fabrications to anodize certain areas is not recommended.\r\n \tDesign drain holes\/vent holes for plating solutions and rinsing.\r\n \tDesign tabs\/holes for attachment to part rack.\r\n\r\n\r\nRead more :\u00a0Chrome plating - Process , Application , Advantages\r\n\r\n\r\n\r\nMore Resources \/articles\r\nMachine Design Notes , article , Interview Que. and Ans.\r\nManufacturing Technology Notes , Articles\r\nCAD Software | CAD Tutorials\r\nMachine Tool , Manufacturing Projects List - Abstract , Report\r\nNew Mechanical Projects 2020 ( All Projects Post Index List )\r\n\r\n\r\n\r\n&nbsp;","headline":"19 Design Consideration In Sheet Metal | Machine Design","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2017-09-28","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2017\/09\/sheetmetaldesignConsidearationextrutedcut-300x160.jpg","height":160,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/www.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="//www.gunkrazy.com/design-and-fabrication-of-shaft-drive/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2017/09/DesignandFabricationofShaftDriveforBicycle-300x140.jpg')"></div><span class="sr-only">link to Design and Fabrication of Shaft Drive for Bicycle | Mini Diploma project</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/design-and-fabrication-of-shaft-drive/">Design and Fabrication of Shaft Drive for Bicycle | Mini Diploma project</a></p></header><div class="excerpt"><p>Design and Fabrication of Shaft Drive for Bicycle | Mini Diploma project
Abstract:   This project is developed for the users to rotate the back wheel of a two wheeler using propeller shaft....</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/design-and-fabrication-of-shaft-drive/" aria-label="View Post: Design and Fabrication of Shaft Drive for Bicycle | Mini Diploma project">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Design and Fabrication of Shaft Drive for Bicycle | Mini Diploma project","url":"\/\/www.gunkrazy.com\/design-and-fabrication-of-shaft-drive\/","articleBody":"Design and Fabrication of Shaft Drive for Bicycle\u00a0| Mini Diploma project\r\nAbstract:\u00a0\r\n\r\nThis project is developed for the users to rotate the back wheel of a two wheeler using propeller shaft. Usually in two wheelers, chain and sprocket method is used to drive the back wheel. But in this project, the Engine is connected at the front part of the vehicle. The shaft of the engine is connected with a long rod. The other side of the long rod is connected with a set of bevel gears. The bevel gears are used to rotate the shaft in 90 o angle. The back wheel of the vehicle is connected with the bevel gear(driven). Thus the back wheel is rotated in perpendicular to the engine shaft. Thus the two wheeler will move forward. According to the direction of motion of the engine, the wheel will be moved forward or reverse. This avoid the usage of chain and sprocket method.\r\n\r\nINTRODUCTION\u00a0\r\n\r\nA shaft-driven bicycle is a bicycle that uses a drive shaft instead of a chain to transmit power from the pedals to the wheel arrangement displayed in the following fig 1. Shaft drives were introduced over a century ago, but were mostly supplanted by chain-driven bicycles due to the gear ranges possible with sprockets and derailleur. Recently, due to advancements in internal gear technology, a small number of modern shaft-driven bicycles have been introduced. Shaft-driven bikes have a large bevel gear where a conventional bike would have its chain ring. This meshes with another bevel gear mounted on the drive shaft which is shown in fig.\r\n\r\n\r\nDesign and Fabrication of Shaft Drive for Bicycle\r\n\r\n\r\nThe use of bevel gears allows the axis of the drive torque from the pedals to be turned through 90 degrees. The drive shaft then has another bevel gear near the rear wheel hub which meshes with a bevel gear on the hub\u00a0where the rear sprocket would be on a conventional bike, and canceling out the first drive torque change of axis.\r\n\r\nUse of drive shaft\r\nThe torque that is produced from the pedal and transmission must be transferred to the rear wheels to push the vehicle forward and reverse. The drive shaft must provide a smooth, uninterrupted flow of power to the axles. The drive shaft and differential are used to transfer this torque.\r\nFunctions of the Drive Shaft\r\n1. First, it must transmit torque from the transmission to the foot pedal.\r\n2. During the operation, it is necessary to transmit maximum low-gear torque developed by the pedal.\r\n3. The drive shafts must also be capable of rotating at the very fast speeds required by the vehicle.\r\n4. The drive shaft must also operate through constantly changing angles between the transmission, the differential and the axles.\r\n\r\nDesign Assumptions\r\n1. The shaft rotates at a constant speed about its longitudinal axis.\r\n2. The shaft has a uniform, circular cross section.\r\n3. The shaft is perfectly balanced, i.e., at every cross section, the mass center coincides with the Geometric center.\r\n4. All damping and nonlinear effects are excluded.\r\n5. The stress-strain relationship for composite material is linear &amp; elastic; hence, Hooke\u201fs law is Applicable for composite materials.\r\n6. Acoustical fluid interactions are neglected, i.e., the shaft is assumed to be acting in a vacuum.\r\n7. Since lamina is thin and no out-of-plane loads are applied, it is considered as under the plane Stress","headline":"Design and Fabrication of Shaft Drive for Bicycle | Mini Diploma project","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2017-09-26","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2017\/09\/DesignandFabricationofShaftDriveforBicycle-300x140.jpg","height":140,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/www.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="//www.gunkrazy.com/metal-sheet-spinning-process-sheetmeta/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2017/09/sheetspinningprocess-227x300.jpg')"></div><span class="sr-only">link to Metal Sheet Spinning process | Sheetmetal Forming</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/metal-sheet-spinning-process-sheetmeta/">Metal Sheet Spinning process | Sheetmetal Forming</a></p></header><div class="excerpt"><p>Metal Sheet Spinning process | Advantages and Disadvantages of Spinning  Introduction
SPINNING is a method of forming sheet metal into seamless, axisymmetric shapes by a combination of rotation...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/metal-sheet-spinning-process-sheetmeta/" aria-label="View Post: Metal Sheet Spinning process | Sheetmetal Forming">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Metal Sheet Spinning process | Sheetmetal Forming","url":"\/\/www.gunkrazy.com\/metal-sheet-spinning-process-sheetmeta\/","articleBody":"Metal Sheet Spinning process | Advantages and Disadvantages of Spinning\r\n\r\nIntroduction\r\nSPINNING is a method of forming sheet metal into seamless, axisymmetric shapes by a combination of rotation and force. On the basis of techniques used, applications, and results obtainable, the method can be divided into three categories: Manual spinning , Power spinning, Tube Spinning.\r\n\r\n\r\n\r\nSheet metal Spinning Process\r\n\r\n\r\n\r\nApplicability\r\n\r\nManual spinning is used to form flanges, rolled rims, cups, cones, and double-curved surfaces of revolution (such as bells). Several typical shapes formed by manual spinning are shown in Fig. 1. Products include light reflectors, tank ends, covers, housings, shields, and components for musical instruments. Manual spinning is also extensively used for the production of aircraft and aerospace components, often with mechanical assistance for increased force.\r\n\r\nClassification Of Metal Spinning Processes:\r\n\r\nManual (Conventional) Spinning\r\n\r\n\r\n\r\n\r\n \tPracticed by pressing a tool against a circular metal preform.\r\n \tInvolves no significant thinning of work metal; essentially a shaping process.\r\n \tUsed for prototype manufacture or in production runs less than 1000 pieces.\r\n\r\n\r\nPower Spinning\r\n\r\n\r\n\r\n\r\n\r\n\r\n \tMetal is deformed using high shear forces.\r\n \tUse of automated CNC machines.\r\n \tSignificant thinning of metal preforms.\r\n \tSuitable for high production runs.\r\n\r\n\r\n\r\nTube Spinning\r\nThickness of cylindrical parts reduced by spinning them on \u00a0cylindrical mandrel rollers.\r\n\r\n\r\nSteps in Spinning Process\r\n\r\nStep 1 :Metal Forming\r\nThis step involves the laying down of the material onto the mandrel.\r\nIt is accomplished with short inside to outside moves.Material gets easier to form as the part is closer to completion\r\n\r\n\u00a0\r\n\r\nSteps In Sheet Metal Forming Process\r\n\r\nStep 2 :Trimming\u00a0\r\nParts having been spun are trimmed at the end to blunt sharp edges and also to bring the component\u00a0to the desired length.\r\n\r\nStep 3 :\u00a0Finishing\r\n\r\nFinishing is done at very high RPMs (1200+) so that a minimum of force need be applied and verysmooth strokes can be used.\u00a0The flat side of Duckbill spinning tool is used for straight surfaces an\u00a0rounded side for curves and radii.\r\n\r\nSheet-metal Spinning Machine Specification:\u00a0\r\n\r\n\r\n \tMachines for spinning are specified by the diameter and length of the largest component that can be spin\r\n \tThey are also specified by the maximum load that can be applied to the work.\r\n \tThe capacity of spinning machines ranges from 0.455m in diameter and 0.380m in length to 6m in diameter and 6m in length.\r\n \tMetal spinning machines can be both vertical or horizontal.\r\n \tMachines used for spinning large diameters, such as 1.8m or more are usually vertical.\r\n \tMostly lathe based machine tools ( both conventional and CNC-based) are employed for spinning operation.\r\n \tMost modern machines used for spinning are at least semi-automated; that is, they are loaded and unloaded by the operator, but the entire spinning cycle is controlled automatically.\r\n\r\n\r\nAdvantages and Disadvantages\r\n\r\nManual spinning has several advantages over a competitive process such as press forming:\r\n\r\n\r\n \tTooling costs less, and investment in capital equipment is relatively small\r\n \tSetup time is shorter\r\n \tDesign changes in the workpiece can be made at minimum expense\r\n \tChanges in work metal composition or thickness require a minimum of tool changes\r\n\r\n\r\nThe disadvantages of manual spinning include:\r\n\r\n\r\n \tSkilled operators are required, because uniformity of results depends greatly on operator skill\r\n \tManual spinning is usually slower than press forming\r\n \tAvailable force is more likely to be inadequate in manual spinning than in press forming Equipment\r\n\r\nApplication Of Sheet Spinning :\r\n\r\nThe following are examples of products that can be manufactured by metal spinning:\r\n\r\n\r\n \tVases, baskets, basins and bowls.\r\n \tBottoms for tanks, hoppers and kettles.\r\n \tHousings for blowers, fans, filters and fly-wheels.\r\n \tLadles, nozzles, orifices and tank outlets.\r\n \tCones, covers and cups.\r\n \tFunnels, cylinders, domes and drums.\r\n \tRings, hemispheres and shells.\r\n \tVents, venturis and fan wheels.","headline":"Metal Sheet Spinning process | Sheetmetal Forming","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2017-09-25","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2017\/09\/sheetspinningprocess-227x300.jpg","height":300,"width":227},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/www.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="//www.gunkrazy.com/automobile-clutch-function-and-major/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2017/09/singleplateclutchtypesofclutch-300x174.jpg')"></div><span class="sr-only">link to Automobile Clutch | Function and Major Types Of Clutches</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/automobile-clutch-function-and-major/">Automobile Clutch | Function and Major Types Of Clutches</a></p></header><div class="excerpt"><p>Automobile Clutch | Use Of Clutches, Types Of Clutches
Introduction:
The Transmission system is one of the useful systems in the Automobile vehicle; it helps to transmit the engine power or kinetic...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/automobile-clutch-function-and-major/" aria-label="View Post: Automobile Clutch | Function and Major Types Of Clutches">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Automobile Clutch | Function and Major Types Of Clutches","url":"\/\/www.gunkrazy.com\/automobile-clutch-function-and-major\/","articleBody":"Automobile Clutch | Use Of Clutches, Types Of Clutches\r\nIntroduction:\r\nThe Transmission system is one of the useful systems in the Automobile vehicle; it helps to transmit the engine power or kinetic energy to the driving wheels. It is an interconnected system of the Clutch, Gear box, Propeller shaft, Differential, Axles and the Driving wheels.\r\n\r\nWhat are Clutch and its functions?\r\nThe Clutch is one of the parts of a Transmission system in Automobile and helps to achieve the movement of it. It is a device or set of a number of components which are connected at the end of the engine to the Flywheel used to engage and disengage the driving and pinion shafts.\r\nIts function is to engage and disengage the pinion shaft of the gear to the main shaft or crank shaft of the engine in different power transmission stages, for a smooth movement of torque. It is also the controlling part of the speed of a vehicle with a manual transmission by partially engaging the clutch plate using the clutch pedal.\r\nWhen the clutch is applied, the total pressure is taken by the pressure plate then the total device moves to back position, it refers the disengaged position of the clutch. When we release the clutch, the original position is achieved due to the springs then the driver shaft is engaged to the pinion shaft. It refers to the engaged position of the clutch.\r\nWhat a simple Clutch Consist of?\r\nA simple clutch consists of a number of components like Pressure Plate, Disc or Friction plate or Clutch Plate, Fingers, Spacers, Bushes, Levers, etc. These are the main components used in a Clutch construction. These components will vary according to the type of Clutch.\r\nTypes Of Automobile Clutches:\u00a0\r\nAccording to the speed, efficiency, performance and day by day researches Clutches are of different types, they are\r\n1. Single-Plate Clutch.\r\n2. Multi-Plate Clutch.\r\n3. Cone Clutch.\r\n4. Centrifugal Clutch.\r\n\r\nLet us start to learn about them individually. Starting with Single-Plate and Multi-Plate Clutch.\r\n\r\nSingle-Plate and Multi-Plate Clutch:\r\nIn the Single-Plate Clutch, there will be only one Plate and it is connected to the Pressure plate adjoining to the Flywheel with the help of bolts and Springs to regain its position. The disc will in the middle of Pressure plate and Flywheel which is free to rotate.\r\n\r\n\r\n\r\nsingle plate clutch types of clutch\r\n\r\n\r\nWhen the Force is applied on the Clutch Pedal or Pressure Plate, then the disc will get disengage with the Flywheel and no Transmission of Torque takes place between Input (Flywheel) shaft and Output Shaft. In the meanwhile, we change the Gear with help of Gear road then after gearing when we release the force on Pressure Plate, the Disc again Engages with the Flywheel automatically.\r\n\r\n\r\nFigure 2 Multi-Plate Clutch\r\n\r\n\r\nThis Working procedure is same in both Single-Plate and Multi-Plate but in Multi-Plate, there is a number of Clutch plate which will results a more Torque transmission due to the Friction, between the plates and increase in efficiency too when compared to Single-Plate.\r\nCone Clutch:\u00a0\r\n\r\n\r\n\r\ncone clutch types of clutches\r\n\r\n&nbsp;\r\n\r\nThis type of Clutch is used in the Off-Road Vehicles. Racing vehicles and in Power boats.The sole aim of the Cone Clutch is to transmit the maximum Torque by minimizing the losses in earlier Clutches so in this type; the Plates will be in the shape of Wedge and is called as the Cone. Due to this Wedge or Cone shape, the Torque transmission will be higher and acquires a great efficiency.\r\nCentrifugal Clutch:\r\n\r\n\r\nDiagram of centrifugal clutches\r\n\r\n\r\n\r\nAs we know that, Centrifugal is the acting force tends the body to move away from its center.\r\nThere working procedure is same as the normal Clutches. This type of clutches are specially designed for Lower Speeds and Higher Speed Conditions, the Pressure by springs on the plate will be exerted at Low speeds and this pressure force will increase with the increase of speed and springs will come backward movement. Due to this backward movement, the driver will feel strain to clutch so to decrease such strain and to maintain the constant pressure force on the plates Semi-Centrifugal and Centrifugal Clutches will exert an outward force on the plates. It makes the springs to engage with the plate even at High Speeds.\r\n\r\nAbout Author:\u00a0\r\nSai Shankar Rudra- He Is Mechanical Engineer From JNT\u00a0University , Hyderabad.\u00a0\r\nCheck This : \u00a0MechanicalBasicss\r\nAboutcarsforme.com","headline":"Automobile Clutch | Function and Major Types Of Clutches","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2017-09-23","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2017\/09\/singleplateclutchtypesofclutch-300x174.jpg","height":174,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/www.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="//www.gunkrazy.com/stud-arc-welding-fastener-welding/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2017/09/studweldinghowfastenersareweldedtoplate-300x182.jpg')"></div><span class="sr-only">link to Stud Arc Welding | Fastener Welding- Advantages and Application</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/stud-arc-welding-fastener-welding/">Stud Arc Welding | Fastener Welding- Advantages and Application</a></p></header><div class="excerpt"><p>Stud Arc Welding | Fastener Welding- Advantages and Application
Stud welding is a technique similar to flash welding where a fastener or specially formed nut is welded onto another metal part,...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/stud-arc-welding-fastener-welding/" aria-label="View Post: Stud Arc Welding | Fastener Welding- Advantages and Application">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Stud Arc Welding | Fastener Welding- Advantages and Application","url":"\/\/www.gunkrazy.com\/stud-arc-welding-fastener-welding\/","articleBody":"Stud Arc Welding | Fastener Welding- Advantages and Application\r\nStud welding is a technique similar to flash welding where a fastener or specially formed nut is welded onto another metal part, typically a base metal or substrate. The fastener can take different forms, but typically fall under threaded, unthreaded or tapped. The bolts may be automatically fed into the spot welder. Weld nuts generally have a flange with small nubs that melt to form the weld. Weld studs are used in stud welding systems.\r\n\r\n\r\n\r\nStud Arc Welding | Fastener Welding\r\n\r\nStud welding is a complete one-step fastening system, using fasteners called weld studs. Weld studs come in a variety of designs, threaded, unthreaded, tapped, etc., sizes and shapes for a wide range of applications.Stud welding, also known as \"drawn arc stud welding\", joins a stud and another piece of metal together by heating both parts with an arc. The stud is usually joined to a flat plate by using the stud as one of the electrodes. The polarity used in stud welding depends on the type of metal being used. Welding aluminum, for example, would usually require direct-current electrode positive (DCEP). Welding steel would require direct-current electrode negative (DCEN).\r\nStud welding uses a type of flux called a ferrule, a ceramic ring which concentrates the heat generated, prevents oxidation and retains the molten metal in the weld zone. The ferrule is broken off of the fastener after the weld is completed. This lack of marring on the side opposite the fastener is what differentiates stud welding from other fastening processes.\r\n\r\n\r\nStud Welding Equipment\r\nThe equipment required for stud welding is composed of the following:\r\n\r\n\r\n \tA direct current Power Supply\r\n \tA Controller\r\n \tA Weld Gun\r\n \tCables to tie the system components and base metal together\r\n\r\n\r\nIn most systems, the power supply and controller are combined as one component called the \"Welder\".\r\n\r\nA type of stud welding called capacitor-discharge (CD) stud welding differs from regular stud welding in that capacitor-discharge welding does not require flux. The weld time is shorter, enabling the weld to bond with little oxidation and no need for heat concentration. It also allows for small-diameter studs to be welded to thin,lightweight materials. This process uses a direct-current arc from a capacitor. The weld time in this process is between 1 and 6 milliseconds. Capacitor discharge stud welding with the latest equipment can create a weld without burn through showing on the opposite side of very thin metals. CD stud welding is often used for smaller diameter studs and pins, as well as on non-standard materials and for accuracy. On the other hand, arc stud welding is primarily for structural purposes and larger diameter weld studs.\r\n\r\nThe Stud Welding Process\r\nStud welding is a process by which a metal stud is joined to a metal workpiece by heating both parts with an arc. A key factor that differentiates stud welding from other fastening processes is that the fastener is attached to the workpiece without marring the other side.\r\n\r\n\r\ncapacitor discharge stud welding\r\n\r\nThe arc stud welding method provides highly reliable fastening for a wide variety of applications. This method allows almost any size or configuration of a metal stud to be welded quickly to a workpiece, while providing maximum weld penetration and reliability.\r\nArc stud welding permits strong, one-sided welds on base metals with thicknesses starting at 0.048\u2033 (1.2 mm). It produces welds in as little as 0.06 seconds.\r\n\r\nArc stud welding utilizes a DC power supply to create the arc, a stud welding tool, metal fasteners, and in some cases, ferrules. There are three common techniques of Arc stud welding:\r\n\r\n\r\n \tDrawn arc stud welding\r\n \tShort arc stud welding\r\n \tGas arc stud welding\r\n\r\n\r\n\r\n\r\nThe Benefits of Stud Welding\r\nStud welding has many advantages over other joining processes:\r\n\r\n\r\n \tIt is fast. Welding a 3\/4\u201d fastener will take less than one second.\r\n \tIt is single sided. This means that access to the other side of the work piece is not required.\r\n \tIt is secure. Unlike the peripheral weld that would be used to weld a bolt in place, a stud weld is a full cross sectional weld. This means the full face of the fastener is welded in place providing a strong, worry-free weld.\r\n \tIt is cosmetically superior. As a single sided fastener there are no indicators that a fastener is attached.\r\n \tIt is welded and will not work free like a press-in fastener\r\n \tRequires no special skills and little training to install.","headline":"Stud Arc Welding | Fastener Welding- Advantages and Application","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2017-09-21","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2017\/09\/studweldinghowfastenersareweldedtoplate-300x182.jpg","height":182,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/www.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=222">&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=221"><span class="screen-reader-text">Page </span>221</a> <a class="page-numbers" href="?page_num=222"><span class="screen-reader-text">Page </span>222</a> <span aria-current="page" class="page-numbers current"><span class="screen-reader-text">Page </span>223</span> <a class="page-numbers" href="?page_num=224"><span class="screen-reader-text">Page </span>224</a> <a class="page-numbers" href="?page_num=225"><span class="screen-reader-text">Page </span>225</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=224">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('//www.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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