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Disadvantages</a></p></header><div class="excerpt"><p>External Gear Pump | Design , Advantages and Disadvantages
Gear pumps are less expensive but limited to pressures below 140 bar.It is noisy in operation than either vane or piston pumps. Gear pumps...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/external-gear-pump-design-advantages-and-disadvantages/" aria-label="View Post: External Gear Pump | Design , Advantages and Disadvantages">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"External Gear Pump | Design , Advantages and Disadvantages","url":"\/\/www.gunkrazy.com\/external-gear-pump-design-advantages-and-disadvantages\/","articleBody":"External Gear Pump | Design , Advantages and Disadvantages\r\nGear pumps are less expensive but limited to pressures below 140 bar.It is noisy in operation than either vane or piston pumps. Gear pumps are invariably of fixed displacement type, which means that the amount of fluid displaced for each revolution of the drive shaft is theoretically constant.\r\nExternal Gear Pumps\r\nExternal gear pumps are the most popular hydraulic pumps in low-pressure ranges due to their long operating life, high efficiency and low cost. They are generally used in a simple machine. The most common form of external gear pump is shown in Figs.\u00a0 and \r\n\r\nIt consist of a pump housing in which a pair of precisely machined meshing gears runs with minimal radial and axial clearance.One of the gears, called a driver,is driven by a prime mover. The driver drives another gear called a follower.As the teeth of the two gears separate, the fluid from the pump inlet gets trapped between the rotating gear cavities and pump housing.The trapped fluid is then carried around the periphery of the pump casing and delivered to outlet port. The teeth of precisely meshed gears provide almost a perfect seal between the pump inlet and the pump outlet.\r\n\r\nWhen the outlet flow is resisted, pressure in the pump outlet chamber builds up rapidly and forces the gear diagonally outward against the pump inlet. When the system pressure increases, imbalance occurs. This imbalance increases mechanical friction and the bearing load of the two gears.Hence, the gear pumps are operated to the maximum pressure rating stated by the manufacturer.\r\n\r\nIt is important to note that the inlet is at the point of separation and the outlet at the point of mesh. These units are not reversible if the internal bleeds for the bearings are to be drilled to both the inlet and outlet sides.So that the manufacturer\u2019s literature should be checked before attempting a reversed installation. If they are not drilled in this manner, the bearing may be permanently damaged as a result of inadequate lubrications. \r\n\r\nExpression for the theoretical flow rate of an external gear pump\r\n\r\nLet\r\nDo =the outside diameter of gear teeth\r\nDi= the inside diameter of gear teeth\r\nL =the width of gear teeth\r\nN=the speed of pump in RPM\r\nVD=the displacement of pump in m\/rev\r\nM= module of gear\r\nz=number of gear teeth\r\n\u03b1= pressure angle\r\n\r\noperation of an external gear pump\r\n\r\nAdvantages and disadvantages of gear pumps\r\n\r\nThe advantages are as follows:\r\n1.They are self-priming.\r\n2.They give constant delivery for a given speed.\r\n3. They are compact and light in weight.\r\n4. Volumetric efficiency is high.\r\n\r\nThe disadvantages are as follows:\r\n1. The liquid to be pumped must be clean, otherwise it will damage pump.\r\n2. Variable speed drives are required to change the delivery.\r\n3. If they run dry, parts can be damaged because the fluid to be pumped is used as lubricant.","headline":"External Gear Pump | Design , Advantages and Disadvantages","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2019-03-21","mainEntityOfPage":"False","dateModified":"February 20, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2019\/03\/operation-of-an-external-gear-pump-263x300.jpg","height":300,"width":263},"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/what-is-positive-displacement-pumps-types-and-advantages/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2019/03/Performance-curve-for-positive-and-Non-Postitive-displacement-Pumps-300x291.png')"></div><span class="sr-only">link to What is Positive Displacement Pumps | Types and Advantages</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/what-is-positive-displacement-pumps-types-and-advantages/">What is Positive Displacement Pumps | Types and Advantages</a></p></header><div class="excerpt"><p>What is Positive Displacement Pumps | Types and Advantages
Positive Displacement Pumps
Positive displacement pumps, in contrast, have very little slips, are self-priming and pump against very high...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/what-is-positive-displacement-pumps-types-and-advantages/" aria-label="View Post: What is Positive Displacement Pumps | Types and Advantages">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"What is Positive Displacement Pumps | Types and Advantages","url":"\/\/www.gunkrazy.com\/what-is-positive-displacement-pumps-types-and-advantages\/","articleBody":"What is Positive Displacement Pumps | Types and Advantages\r\nPositive Displacement Pumps\r\nPositive displacement pumps, in contrast, have very little slips, are self-priming and pump against very high pressures, but their volumetric capacity is low. Positive displacement pumps have a very close clearance between rotating and stationary parts and hence are selfpriming. Positive displacement pumps eject a fixed amount of fluid into the hydraulic system per revolution of the pump shaft. Such pumps are capable of overcoming the pressure resulting from mechanical loads on the system as well as the resistance of flow due to friction. This equipment must always be protected by relief valves to prevent damage to the pump or system. By far, a majority of fluid power pumps fall in this category, including gear, vane and piston pumps.Performance curves for positive and non-positive displacement pumps are shown in Fig\r\n\r\n Performance curve for positive and Non Positive displacement Pumps\r\n\r\nAlso Read :\u00a0What is Non-Positive Displacement Pumps | Advantages and Disadvantages\r\n\r\nPositive displacement pumps are classified based on the following characteristics:\r\n\r\n1. Type of motion of pumping element: Based on the type of motion of pumping element, positive displacement pumps are classified as follows:\r\n\r\n \tRotary pumps, for example, gear pumps and vane pumps.\r\n \tReciprocating pumps, for example, piston pumps.\r\n\r\n2. Displacement characteristics: Based on displacement characteristics, positive displacement pumps are classified as follows:\r\n\r\n \tFixed displacement pumps.\r\n \tVariable displacement pumps.\r\n\r\n3. Type of pumping element.\r\n\r\nAdvantages Of Positive Displacement Pumps :\r\n\r\nThe advantages of positive displacement pumps over non-positive displacement pumps are as follows:\r\n1. They can operate at very high pressures of up to 800 bar (used for lifting oils from very deep oil wells).\r\n2. They can achieve a high volumetric efficiency of up to 98%.\r\n3. They are highly efficient and almost constant throughout the designed pressure range.\r\n4. They are a compact unit, having a high power-to-weight ratio.\r\n5. They can obtain a smooth and precisely controlled motion.\r\n6. By proper application and control, they produce only the amount of flow required to move the load at the desired velocity.\r\n7. They have a great flexibility of performance. They can be made to operate over a wide range of pressures and speeds.","headline":"What is Positive Displacement Pumps | Types and Advantages","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2019-03-21","mainEntityOfPage":"False","dateModified":"February 20, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2019\/03\/Performance-curve-for-positive-and-Non-Postitive-displacement-Pumps-300x291.png","height":291,"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/gate-2020-syllabus-for-mechanical-engineering-pdf-download/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2019/03/gate-paper-pattern-300x129.jpg')"></div><span class="sr-only">link to GATE 2020 syllabus for mechanical engineering pdf Download</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/gate-2020-syllabus-for-mechanical-engineering-pdf-download/">GATE 2020 syllabus for mechanical engineering pdf Download</a></p></header><div class="excerpt"><p>GATE 2020 syllabus for mechanical engineering pdf Download
GATE 2020 – Graduate Aptitude Test in Engineering (GATE) is a national level PG Engineering entrance exam. It is conducted jointly by...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/gate-2020-syllabus-for-mechanical-engineering-pdf-download/" aria-label="View Post: GATE 2020 syllabus for mechanical engineering pdf Download">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"GATE 2020 syllabus for mechanical engineering pdf Download","url":"\/\/www.gunkrazy.com\/gate-2020-syllabus-for-mechanical-engineering-pdf-download\/","articleBody":"GATE 2020 syllabus for mechanical engineering pdf Download\r\nGATE 2020 \u2013\u00a0Graduate Aptitude Test in Engineering (GATE) is a national level PG Engineering entrance exam. It is conducted jointly by the Indian Institute of Science, Bangalore, and 7 Indian Institute of Technology (IITs). GATE 2020 will be conducted for a\u00a0total of 24 subject papers, among which Statistics (ST) is the newest addition. It is expected to be held in the month of February 2020. The registration for the exam will open in the month of September 2019. Students who are planning to appear for GATE 2020 must check the GATE 2020 eligibility criteria. The score of GATE is also used by PSUs for junior engineer and other recruitment.\r\nGATE 2020 Syllabus\r\nGATE 2020 Syllabus is a thing which every student must have with them. It is important because if they will have the syllabus with them, they will be able to prepare in a much better manner since they would have an idea as to how and what all topics they have to learn and prepare. Check the expected GATE 2020 Syllabus. It is likely to remain the same.\r\n\r\nGATE 2020 Syllabus Topic-wise\u00a0Chapters List For Mechanical students :\r\n\r\nEngineering Mathematics: Linear Algebra\r\n\u25cf Matrix Algebra\r\n\u25cf Systems of linear equations\r\n\u25cf Eigenvalues and eigenvectors\r\n\r\nEngineering Mathematics: Calculus\r\n\r\n\u25cf Functions of single variable limit\r\n\u25cf Limit\r\n\u25cf Continuity and differentiability\r\n\u25cf Mean value theorems\r\n\u25cf Indeterminate forms\r\n\u25cf Evaluation of definite and improper integrals\r\n\u25cf Double and triple integrals\r\n\u25cf Partial derivatives\r\n\u25cf Total derivatives\r\n\u25cf Taylor series (in one and two variables)\r\n\u25cf Maxima and minima\r\n\u25cf Fourier series\r\n\u25cf Gradient\r\n\u25cf Divergence and curl\r\n\u25cf Vector identities\r\n\u25cf Directional derivatives\r\n\u25cf Line\r\n\u25cf Surface and volume integrals\r\n\u25cf Applications of Gauss, Stokes and Green\u2019s theorems\r\n\r\nEngineering Mathematics: Differential Equation\r\n\u25cf First order equations (linear and nonlinear)\r\n\u25cf Higher order linear differential equations with constant coefficients\r\n\u25cf Euler-Cauchy equation\r\n\u25cf Initial and boundary value problems\r\n\u25cf Laplace transforms\r\n\u25cf Solutions of Heat, Wave and Laplace's equations.\r\n\r\nEngineering Mathematics: Complex Variable\r\n\u25cf Analytic functions\r\n\u25cf Cauchy-Riemann equations\r\n\u25cf Cauchy\u2019s integral theorem and Integral formula\r\n\u25cf Taylor and Laurent series\r\n\r\nEngineering Mathematics: Probability and Statistics\r\n\u25cf Definitions of probability\r\n\u25cf Sampling theorems,\r\n\u25cf Conditional probability\r\n\u25cf Mean\r\n\u25cf Median\r\n\u25cf Mode and standard deviation\r\n\u25cf Random variables\r\n\u25cf Binomial\r\n\u25cf Poisson and Normal Distributions\r\n\r\nEngineering Mathematics: Numerical Methods\r\n\u25cf Numerical solutions of linear and non-linear algebraic equations\r\n\u25cf Integration by trapezoidal and Simpson\u2019s rules\r\n\u25cf Single and multi-step methods for differential equations.\r\n\r\nStrength of Material\r\n\u25cf Stress and strain\r\n\u25cf Elastic constants\r\n\u25cf Poisson's ratio\r\n\u25cf Mohr\u2019s circle for plane stress and plane strain;\r\n\u25cf Thin cylinders\r\n\u25cf Shear force and bending moment diagrams\r\n\u25cf Bending and shear stresses\r\n\u25cf Deflection of beams\r\n\u25cf Torsion of circular shafts\r\n\u25cf Euler\u2019s theory of columns\r\n\u25cf Energy methods\r\n\u25cf Thermal stresses\r\n\u25cf Strain gauges and rosettes\r\n\u25cf Testing of materials with universal testing machine\r\n\u25cf Testing of hardness and impact strength.\r\n\r\nEngineering Mechanics\r\n\u25cf Free-body diagrams and equilibrium\r\n\u25cf Trusses and frames\r\n\u25cf Virtual work\r\n\u25cf Kinematics and dynamics of particles and of rigid bodies in plane motion\r\n\u25cf Impulse and momentum (linear and angular) and energy formulations collisions\r\n\r\nMachine Design\r\n\u25cf Design for static and dynamic loading\r\n\u25cf Failure theories\r\n\u25cf Fatigue strength and the S-N diagram\r\n\u25cf Principles of the design of Machine elements such as bolted\r\n\u25cf Riveted and welded joints\r\n\u25cf Shafts\r\n\u25cf Gears\r\n\u25cf Rolling and sliding contact Bearings\r\n\u25cf Brakes and clutches\r\n\u25cf Springs\r\n\r\nIndustrial Engineering\r\n\u25cf Production Planning and Control\r\n\u25cf Forecasting models\r\n\u25cf Aggregate production planning\r\n\u25cf Scheduling\r\n\u25cf Materials requirement planning.\r\n\u25cf Inventory Control:\r\n\u25cf Deterministic models\r\n\u25cf Safety stock inventory control\r\n\u25cf Operations Research:\r\n\u25cf Linear programming\r\n\u25cf Simplex method\r\n\u25cf Transportation\r\n\u25cf Assignment\r\n\u25cf Network flow models\r\n\u25cf Simple queuing models\r\n\u25cf PERT and CPM\r\n\r\nTheory of Machines\r\n\u25cf Displacement\r\n\u25cf Velocity and acceleration analysis of plane mechanisms\r\n\u25cf Dynamic analysis of linkages\r\n\u25cf Cams\r\n\u25cf Gears and gear trains\r\n\u25cf Flywheels and governors\r\n\u25cf Balancing of Reciprocating and Rotating masses\r\n\u25cf Gyroscope\r\n\u25cf Vibrations\r\n\u25cf Free and forced vibration of single degree of freedom systems\r\n\u25cf Effect of damping\r\n\u25cf Vibration isolation\r\n\u25cf Resonance\r\n\u25cf Critical speeds of shafts\r\n\r\nFluid Mechanics\r\n\u25cf Fluid properties\r\n\u25cf Fluid statics\r\n\u25cf Manometry\r\n\u25cf Buoyancy\r\n\u25cf Forces on submerged bodies\r\n\u25cf Stability of floating bodies\r\n\u25cf Control-volume analysis of mass momentum and energy\r\n\u25cf Fluid acceleration\r\n\u25cf Differential equations of continuity and momentum\r\n\u25cfBernoulli\u2019s equation\r\n\u25cf Dimensional analysis\r\n\u25cf Viscous flow of incompressible fluids\r\n\u25cf Boundary layer\r\n\u25cf Elementary turbulent flow\r\n\u25cf Flow through pipes\r\n\u25cf Head losses in pipes\r\n\u25cf Bends and fittings\r\n\r\nTurbomachinery\r\n\u25cf Impulse and reaction principles, velocity diagrams\r\n\u25cf Pelton-wheel\r\n\u25cf Francis and Kaplan turbines.\r\n\r\nHeat Transfer\r\n\u25cf Modes of heat transfer\r\n\u25cf One dimensional heat conduction\r\n\u25cf Resistance concept and electrical analogy\r\n\u25cf Heat transfer through fins\r\n\u25cf Unsteady heat conduction\r\n\u25cf Lumped parameter system\r\n\u25cf Heisler's charts\r\n\u25cf Thermal boundary layer\r\n\u25cf Dimensionless parameters in free and forced convective heat\r\n\u25cf transfer correlations for flow over flat plates and through pipes\r\n\u25cf Effect of turbulence\r\n\u25cf Heat exchanger performance\r\n\u25cf LMTD and NTU methods\r\n\u25cf Radiative heat transfer\r\n\u25cf Stefan-boltzmann law\r\n\u25cf Wien's displacement law\r\n\u25cf Black and grey surfaces View factors\r\n\u25cf Radiation network analysis.\r\n\r\nI.C. Engine\r\n\u25cf Air-standard Otto\r\n\u25cf Diesel and dual cycles\r\n\r\nThermodynamics\r\n\u25cf Thermodynamic systems and processes\r\n\u25cf Properties of pure substances\r\n\u25cf Behaviour of ideal and real gases\r\n\u25cf Zeroth and first laws of thermodynamics\r\n\u25cf Calculation of work and heat in various processes\r\n\u25cf Second law of thermodynamics\r\n\u25cf Thermodynamic property charts and tables\r\n\u25cf Availability and irreversibility thermodynamic relations.\r\n\r\nPower Engineering\r\n\u25cf Air and gas compressors\r\n\u25cf Vapour and gas power cycles\r\n\u25cf Concepts of regeneration and reheat.\r\n\r\nMachine tool operations\r\n\u25cf Mechanics of machining\r\n\u25cf Basic machine tools\r\n\u25cf Single and multi-point cutting tools\r\n\u25cf Tool geometry and materials\r\n\u25cf Tool life and wear\r\n\u25cf Economics of machining\r\n\u25cf Principles of non-traditional machining processes\r\n\u25cf Principles of work holding\r\n\u25cf Design of jigs and fixtures\r\n\r\nMetrology and Inspection\r\n\u25cf Limits\r\n\u25cf Fits and tolerances\r\n\u25cf Linear and angular measurements comparators\r\n\u25cf Gauge design\r\n\u25cf Interferometry\r\n\u25cf Form and finish measurement\r\n\u25cf Alignment and testing methods\r\n\u25cf Tolerance analysis in manufacturing and assembly\r\n\r\nCasting, Forming and Joining Process\r\n\u25cf Different types of castings\r\n\u25cf Design of patterns moulds and cores solidification and cooling,\r\n\u25cf Riser and gating design\r\n\u25cf Plastic deformation and yield criteria\r\n\u25cf Fundamentals of hot and cold working processes\r\n\u25cf Load estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing, deep drawing, bending) metal forming processes\r\nprinciples of powder metallurgy\r\n\u25cf Principles of welding\r\n\u25cf Brazing\r\n\u25cf Soldering and adhesive bonding.\r\n\r\nEngineering Materials\r\n\u25cf Structure and properties of engineering materials\r\n\u25cf Phase diagrams\r\n\u25cf Heat treatment\r\n\u25cf Stress-strain diagrams for engineering materials.\r\n\r\nComputer Integrated Manufacturing\r\n\u25cf Basic concepts of CAD\/CAM and their integration tools.\r\n\r\nRefrigeration and Air Conditioning\r\n\u25cf Vapour and gas refrigeration and heat pump cycles\r\n\u25cf Properties of moist air\r\n\u25cf Psychrometric chart\r\n\u25cf Basic psychrometric processes\r\n\r\nGATE Paper Pattern\r\n\r\n gate paper pattern\r\n\r\nTypes of Question\r\n1. Numerical Answer Type (NAT) Questions\r\n2. Multiple Choice Questions (MCQ)\r\n\r\nStandard Books \/ Resources\r\n\u25cf Engineering Mathematics: H.K. Dass, B.S. Grewal, D.T. Deshmukh\r\n\u25cf Strength Of Material: Ramamrutham, Timoshenko (O)\r\n\u25cf Engineering Mechanics: H.C. Verma Vol. 1\r\n\u25cf Machine Design: V.B. Bhandari\r\n\u25cf Industrial Engineering: Hira &amp; Gupta, Ravi Shankar, J.K. Sharma (O)\r\n\u25cf Theory of Machines: S.S. Rattan\r\n\u25cfFluid Mechanics: Cengel, Modi &amp; Seth\r\n\u25cf Turbomachinery: Modi &amp; Seth, R.K. Rajput (O)\r\n\u25cf Heat Transfer: Cengel, D.S. Kumar\r\n\u25cf I.C. Engine: V. Ganeshan\r\n\u25cf Thermodynamics: Cengel, P.K. Nag\r\n\u25cf Power Engineering: P.K. Nag, P.C. Sharma (O)\r\n\u25cf Refrigeration and Air Conditioning: C.P. Arora\r\n\u25cf Machine Tool Operations: P.C. Sharma, P.N. Rao, Kalpakjian\r\n\u25cf Forming Process: P.C. Sharma, P.N. Rao\r\n\u25cf Metrology and Inspection: P.C. Sharma. R.K. Jain\r\n\u25cf Casting, Joining Process: P.N. Rao\r\n\u25cf Engineering Materials: Callister, P.N. Rao, V.D. Kodgire\r\n\u25cf Computer Integrated Manufacturing: P.C. Sharma, Mikell Groover\r\nDownload PDF Copy Of Above Information :\r\nPdf Created by :Lohit Kumar Yadav\r\n\r\nClick here to Download GATE 2020 Syllabus ,Important Points ,Reference Books From here .\r\n\r\n&nbsp;","headline":"GATE 2020 syllabus for mechanical engineering pdf Download","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2019-03-21","mainEntityOfPage":"False","dateModified":"February 20, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2019\/03\/gate-paper-pattern-300x129.jpg","height":129,"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/pneumatic-bench-vice-model-mechanical-project-report-download/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2019/03/pneumatic-bench-vice-300x137.jpg')"></div><span class="sr-only">link to Pneumatic Bench Vice Model &#8211; Mechanical Project Report Download</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/pneumatic-bench-vice-model-mechanical-project-report-download/">Pneumatic Bench Vice Model &#8211; Mechanical Project Report Download</a></p></header><div class="excerpt"><p>Pneumatic Bench Vice Model - Mechanical Project Report Download
ABSTRACT
The goal of this project is to create a model of bench vice which is pneumatically operated. Using air pressure to create...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/pneumatic-bench-vice-model-mechanical-project-report-download/" aria-label="View Post: Pneumatic Bench Vice Model &#8211; Mechanical Project Report Download">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Pneumatic Bench Vice Model &#8211; Mechanical Project Report Download","url":"\/\/www.gunkrazy.com\/pneumatic-bench-vice-model-mechanical-project-report-download\/","articleBody":"Pneumatic Bench Vice Model - Mechanical Project Report Download\r\nABSTRACT\r\nThe goal of this project is to create a model of bench vice which is pneumatically operated. Using air pressure to create mechanical motion in the spindle of the vice provides a safe &amp; efficient way to reduce human effort.\r\nThe mechanical motion in the spindle is created with the help of a double actuating cylinder which is operated by a 5\/2 pilot valve &amp; two 3\/2 push buttons with the help of the air hoses.\r\n\r\nINTRODUCTION\r\nIt\u2019s a device used to hold the work pieces for different machining operations such as fitting, finishing etc. &amp; is fixed to the work table with the bolts &amp; nuts through slots provided on the vice base.\r\n\r\nIt consists of four main parts:\r\n\r\nFIXED JAW: It is usually cast integral with vice body or base.\r\nMOVABLE JAW: It slides on the ways of the casting &amp; is operated with a screw or spindle.\r\nSCREW: It gives movable jaw the forward or backward movement.\r\nCASTING: It constitutes the base of the vice &amp; has ways for the movable bar.\r\n\r\nPneumatic is the discipline that deals with the mechanical properties of gases such as pressure &amp; density &amp; applies the principle to use compressed gas as a source of power to solve engineering problem. The most widely used compressed gas is air &amp; thus its use has become synonymous with the term pneumatics.\r\nToday the most important property of the medium air is the simple conversion of pressure into force &amp; translational displacement using a piston in a circular bore.\r\n\r\nRead more :\u00a0Difference Between Power System | Mechanical , Hydraulic , Electrical , Pneumatic\r\n\r\nADVANTAGES OF AIR\r\n\r\n \tDoes not generate sparks.\r\n \tPoses no health hazard.\r\n \tCan be easily stored.\r\n \tAtmospheric air is free &amp; this had led to statement that compressed air is a cheap form of energy.\r\n\r\npneumatic bench vice\r\n\r\nTHE MODEL\r\nA model of bench vice coupled with double acting cylinder which is operated by 5\/2 pilot valve &amp; 3\/2 push button (spring return) is used for the test purpose.\r\n\r\n\u00a0EXPERIMENTAL TARGET\r\nThe experiment was designed to hold the workpiece with the help of the pneumatic force provided by the double acting cylinder rod.\r\n\r\nEXPERIMENTAL STRATEGY\r\nThe experimental strategy was to design a bench vice with mild steel as a material &amp; then couple it with the rod of the double acting cylinder so as to obtain the desired pneumatic force which is used to hold the workpiece.\r\n\r\nPROCEDURE\r\n1. Design a bench vice with the mild steel as its material. (Designing is done in CATIA V5 which can be seen on APPENDIX I)\r\n2. A double acting cylinder is coupled with the 5\/2 pilot valve &amp; 3\/2 push button with the help of air hoses &amp; its working has been checked. (pneumatic drawing is done with the help of FESTO FLUID DRAW 5 DEMO which can be seen on APPENDIX II ).\r\n3. The bench vice is bolted to the wooden work table.\r\n4. The double acting cylinder is now bolted to the wooden work table from one side &amp; on another side it is placed in a frame which is bolted to the wooden work table at a specified distance.\r\n\r\nCONCLUSION\r\nThe project undertaken on operating a model of bench vice with the help of the mechanical motion obtained due to application of pneumatic force in an actuator is found to be fully functional.\r\nAlso, it has been seen that pneumatic vice reduces the human effort for holding the work piece in comparison to the conventional used one.\r\nDownload Report :\r\nPneumatic Bench Vice Model - Mechanical Project Report Download -Click here to Download pdf report\u00a0","headline":"Pneumatic Bench Vice Model &#8211; Mechanical Project Report Download","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2019-03-19","mainEntityOfPage":"False","dateModified":"February 20, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2019\/03\/pneumatic-bench-vice-300x137.jpg","height":137,"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-screw-conveyor-report-download/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2019/03/screw-conveyor-project-300x174.jpg')"></div><span class="sr-only">link to Design and Fabrication of Screw Conveyor Report Download</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/design-and-fabrication-of-screw-conveyor-report-download/">Design and Fabrication of Screw Conveyor Report Download</a></p></header><div class="excerpt"><p>Design and Fabrication of Screw Conveyor Report Download
Abstract
SCREW CONVEYORS are one of the oldest and simplest method of moving bulk material and consist primarily of a conveyor screw...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/design-and-fabrication-of-screw-conveyor-report-download/" aria-label="View Post: Design and Fabrication of Screw Conveyor Report Download">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Design and Fabrication of Screw Conveyor Report Download","url":"\/\/www.gunkrazy.com\/design-and-fabrication-of-screw-conveyor-report-download\/","articleBody":"Design and Fabrication of Screw Conveyor Report Download\r\nAbstract\r\nSCREW CONVEYORS are one of the oldest and simplest method of moving bulk material and consist primarily of a conveyor screw rotating in a stationary trough. Conveyors find application mostly in productive factories where transportation is fairly of continuous and uniform character, the individual loads being very high. Screw conveyors are compact, easily adapted to congested locations and can be mounted horizontally, vertically and inclined. Their supports are simple and easily installed. These versatile conveyors can be used to control the flow of material in processing operations which depend upon accurate batching or as a mixer, agitator or stirrer to mix and blending dry or fluid ingredients provide crystallization or coagulation action or maintain solutions in suspension.\r\n\r\nScrew conveyors can be effectively sealed to prevent dust or fumes from escaping or dirt or moisture from entering. They can be jacketed to serve as a dryer or cooler, or furnished in a wide variety of materials to resist corrosion, abrasion or heat. Screw conveyors are used as a earth augers to dig past holes or to bore under highways for installation of culverts. They are also used extensively on threshing machines hay balers fodder blowers and many other farm machines.\r\n\r\nRead more ;\u00a0Design and fabrication of a screw conveyor\r\n\r\nSCOPE\r\n\r\n \tThis manual is helpful in designing of screw conveyors using calculations in metric units.\r\n \tSaving of labour and time.\r\n \tTo increase the output:With the help of conveyors more work can be done with a given floor space, blocks are avoided.\r\n \tTo utilize existing building for new purposes: Conveying plant enables two or more detached building to be connected together and used for several operations in proper sequence.\r\n \tReducing personal hazardous: The enclosing trough can be made tight enough to contain toxic dust and vapours.\r\n \tMaterial in transit can be heated or cooled by jacketing the trough.\r\n\r\nscrew conveyor project\r\n\r\nTYPES OF SCREW CONVEYORS\r\n\r\n\u00a0INCLINED UNITS:\r\nInclined screw conveyors, in general handle products that can be conveyed in horizontal screw conveyors. Being compact, say contained and fully enclosed they can be readily applied in congested areas. Feature insuring sanitation and ease of cleaning are available. For inclines of about 20 degrees or less, conveyor screws of regular pitch operating in troughs are usually employed. Inclines above 20 degrees ordinarily require the use of short pitch conveyor; screw operating in a tabular or shrouded trough.\r\n\r\nA vertical screw elevator is a unit that conveys material vertically. These units can satisfy many conveying problems and have the further advantage of being compacted, requiring less space than other forms of elevating equipment. These units find it difficult to handle materials containing large lumps and materials that are very dense or extremely abrasive.\r\n\r\nDESIGN CONSIDERATIONS\r\nThe key to any successful screw design is, firstly through a thorough under standing of the characteristics of the material to be handled.\r\nSecondly the action of a screw conveyor is important to understand. It is most important to have thorough knowledge of, and understanding of the way material flows and effects of variation in the flow.\r\nCapacities are usually given in TPH. Also the apparent density in the material could vary. The conveyor size and speed must be based on maximum volume and the apparent conveyed density of the material. Surge loads should be taken in account.\r\n\r\nCONCLUSION\r\nThis project titled \"DESIGN AND FABRICATION OF A SCREW CONVEYOR \" explains the design and manufacturing of a screw conveyor, basic application of which is to transport cement for a distance of one meter horizontally.\r\nThis project gives detailed information about the various factors that me taken into account before designing and selecting different components, which form a part of screw conveyor, it also gives the details of be assembly as per the standard procedure\r\nemployed in the industry. Moving ahead from designing stage this project gives a detailed count of the fabrication of the screw conveyor, its installation and its maintenance for a better performance and a longer life. Finally the project highlights the major advantages of the screw conveyor and its superiority over other conveyor designs.\r\n\r\nDownload Report :\r\n\r\nDesign and Fabrication of Screw Conveyor Report Download -Click here to Download Report in PDF Format\u00a0","headline":"Design and Fabrication of Screw Conveyor Report Download","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2019-03-19","mainEntityOfPage":"False","dateModified":"February 20, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2019\/03\/screw-conveyor-project-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/design-and-fabrication-of-sugarcane-cutting-machine-report-download/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2019/03/sugarcane-cutting-machine-300x199.jpg')"></div><span class="sr-only">link to Design And Fabrication of Sugarcane Cutting Machine Report Download</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/design-and-fabrication-of-sugarcane-cutting-machine-report-download/">Design And Fabrication of Sugarcane Cutting Machine Report Download</a></p></header><div class="excerpt"><p>Design And Fabrication of Sugarcane Cutting Machine Report Download
SYNOPSIS
India is an agricultural country, In which 70% people are farmers. As, the population of India is growing, the demand of...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/design-and-fabrication-of-sugarcane-cutting-machine-report-download/" aria-label="View Post: Design And Fabrication of Sugarcane Cutting Machine Report Download">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Design And Fabrication of Sugarcane Cutting Machine Report Download","url":"\/\/www.gunkrazy.com\/design-and-fabrication-of-sugarcane-cutting-machine-report-download\/","articleBody":"Design And Fabrication of Sugarcane Cutting Machine Report Download\r\nSYNOPSIS\r\nIndia is an agricultural country, In which 70% people are farmers. As, the population of India is growing, the demand of food is also increasing. Therefore, we should try to bring more land under cultivation. Under these circumstances, we are in need of fast cutting process\r\ninstead of traditional cutting methods. In past, agri-related activities were taken care by means of manual force. But now a days in most parts of our country there is scarity of labours; hence labours are not available when required. So the labour cost is increased as for cutting of sugarcanes only skilled labours are required.\r\nTo minimize the labour cost and to get work done in minimum, time at cheap cost we have designed \u201cSUGARCANE CUTTER\u2019. It is simple in\r\nconstruction. It does not need skilled labour.\r\n\r\nINTRODUCTION\r\nIn primitive India, agri-related activities were taken care of by manual means. But in most of the parts of our country, there is a scarcity of labours and hence labours are not available when required. This gives an opportunity to develop some new method. So, mechanization of agriculture equipment becomes necessary. INDIA is the country of farmers and near about 70% of it's Population depends on agriculture. The History of Indian farmers tells us today how they have achieved the comfortable position. He acquired the skill of raising crops which provided food whenever he found good fertile land, he settled down and took to agriculture and also followed other pursuits of its which made him richer and more comfortable.\r\n\r\nAs the population Increased food was not sufficient and surplus population of more on the other areas not so productive. As a result of demand of food is increased, man is trying to bring and more land under cultivation, under these circumstances we are in need of fast cutting procedure instead of manual crop cutting.\r\nSo we have to adopt mechanical means for the purpose of cutting crops. This alternative is not only fast but also very cheaper than the conventional manual crop, cutting.\r\n\r\nSee also :\u00a0\r\n\r\nFABRICATION OF SUGARCANE BUD CHIPPER-Agricultural Project\r\n\r\nDesign and Fabrication Of Small Scale Sugarcane Harvesting Machine\r\n\r\nManual Sugarcane Cutting By Sickle\r\nGenerally manual sugar cane cutting involves slicing and tearing action that results in plant structure failure due to compression, tension or shear. This manual sugar cane cutting practice is followed by majority of farmers because of socioeconomically and agro-technological reasons. Different types of sickles are used in different part of country.\r\nPrinciple of Sickle\r\nDesigns of sickles are based on principles of two types of cutting friction and shear. It is assume that the cutting action is taken place due to friction when the knife-edge of the cutter slips around the stalk.\r\nThe serrated sickle combines the slicing and sawing action. The Serrated edge used in cutting devices restricts the sliding action of the plant on the blade for adequate action of the plant on the blade for adequate cutting. It has been Reported that sickle with serrated edge do not required the repeated sharpening needed by smooth edge sickles.\r\n\r\nCutter Blade\r\n\r\nBlade Sharpness :-\r\nThe sharpness of blade is an important parameter in cutting process. It was observed that sharpness is affected power requirements. A blade having Leading edge thickness less than 0.127 -mm required 35% less energy.\r\n\r\nBlade Velocity :-\r\nBlade velocity is the another important parameter in cutting process. This velocity depends upon diameter of blade and no. of RPM. As diameter &amp; RPM are less the time and force required for cutting will be more and vice- versa and hence optimum value of diameter &amp; RPM must be taken into consideration.\r\n\r\nDia. of Stem :-\r\nCutting forces are changed according to the dia. of stem. According to the category of sugarcane. The strength &amp; diameter of stem varies and thus the Cutting force also changes.\r\n\r\nsugarcane cutting machine\r\nDETAILS OF SUGARCANE CUTTING\r\n\u00a0Sugarcane Considerations :-\r\nThe soil and water are two variables, which either have to be suitably adjusted for the plant to grow. The plant showed be so bred and adjusted that it will adjust to given soil and water conditions, sugar cane takes one year to matured on the basis of life of crop. It is known as a seasonal, annual and perennial. India is a country of small farmers whose holdings are not only small but fragmented. They carry-out many farm operation with hand tools.\r\n\r\nParts Description of Sugarcane Cutting Machine :-\r\n\r\nFrame :-\r\nFrame is the body of machine which is made of mild steel (90x690xl6) THK. The frame is of rectangular shaped. Frame acts as a chassis. This is made by welding the M.S. Plate.\r\n\r\nPulley :-\r\nPulleys are used to transmit power from driver shaft to driven shaft with the help of belts.\r\n\r\nV-belt :-\r\nV-belt is used to transmit power from driver pulley to the driven pulley V belts are advantageous over the other types by it has negligible slip. The design for V belt is explained in chapter no.5.\r\n\r\n\u00a0Cutter :-\r\nCutters are used to cut the sugarcane. It is circular in shape. Cutter is of 12 inch (both) in diameter and 3mm in thickness. There are two number of cutters.\r\n\r\nBearings :-\r\nBearings are used to support the shafts and to prevent the overhanging of shaft. These are total 4 in number, bearings used in our assembly. This bearing should be greased properly. Two are ball bearings, 2 are taper roller bearings, sustaining all types of loads.\r\n\r\nStepped Spindle :-\r\nShafts are used to transmit the power. There are 2 shafts in our machine Both are made in 4 steps. On first step pulley is mounted. On two succeeding steps, housing arrangement with seal for bearing is made. On last step, cutter is mounted.\r\n\r\nSpecial Purpose linkage :-\r\nThe sugar cane cutting machine is attached with the Frame of cultivator by making the additional T-arrangement. This T-section is bolted with Frame of Cultivator. Finally the Frame is connected with top link and load link of tractor. The cutter height from the ground level is adjusted by using hydraulic arrangement, which is in built with tractor.\r\nDownload Report :\r\nDesign And Fabrication of Sugarcane Cutting Machine Report Download - Click Here to Download Report in Pdf Format\u00a0","headline":"Design And Fabrication of Sugarcane Cutting Machine Report Download","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2019-03-19","mainEntityOfPage":"False","dateModified":"February 20, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2019\/03\/sugarcane-cutting-machine-300x199.jpg","height":199,"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=101">&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=100"><span class="screen-reader-text">Page </span>100</a> <a class="page-numbers" href="?page_num=101"><span class="screen-reader-text">Page </span>101</a> <span aria-current="page" class="page-numbers current"><span class="screen-reader-text">Page </span>102</span> <a class="page-numbers" href="?page_num=103"><span class="screen-reader-text">Page </span>103</a> <a class="page-numbers" href="?page_num=104"><span class="screen-reader-text">Page </span>104</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=103">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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