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Application</a></p></header><div class="excerpt"><p>What is Casting process | Advantages , Disadvantages and Application
CASTING: Introduction
Virtually nothing moves, turns, rolls, or flies without the benefit of cast metal products. The metal...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/what-is-casting-process-advantages-disadvantages-and-application/" aria-label="View Post: What is Casting process | Advantages , Disadvantages and Application">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"What is Casting process | Advantages , Disadvantages and Application","url":"\/\/www.gunkrazy.com\/what-is-casting-process-advantages-disadvantages-and-application\/","articleBody":"What is Casting process | Advantages , Disadvantages and Application\r\nCASTING: Introduction\r\nVirtually nothing moves, turns, rolls, or flies without the benefit of cast metal products. The metal casting industry plays a key role in all the major sectors of our economy. There are castings in locomotives, cars trucks, aircraft, office buildings, factories, schools, and homes. Casting means pouring molten metal into a mould with a cavity of the shape to be made, and allowing it to solidify. When solidified, the desired metal object is taken out from the mould either by breaking the mould or taking the mould apart.\r\n\r\nThe solidified object is called the casting. By this process, intricate parts can be given strength and rigidity frequently not obtainable by any other manufacturing process. The mould, into which the metal is poured, is made of some heat resisting material. Sand is most often used as it resists the high temperature of the molten metal.\r\n\r\nRead more :\r\n\r\nIntroduction to Metal Casting | Casting terms | Advantages and Disadvantages Of Casting\r\n\r\ncasting process\r\n\r\nCasting processes divide into two broad categories\r\n\r\n \tExpendable-mold casting (Sand Casting)\r\n \tPermanent-mold casting (Die Casting)\r\n\r\nCASTING: Facts\r\n\r\n \tOne of the earliest metal shaping methods known to human being.\r\n \tIt is the Process in which molten metal flows by gravity or other force into a mold where it solidifies in the shape of the mold cavity.\r\n \tCommonly, the term casting also applies to the part made in the process.\r\n \tThe process can be applied on metals, ceramics and plastics.\r\n \tThe term casting is commonly used for metals.The term molding is used for plastics.\r\n \tExamples of molds \u2013 cake-pan, an ice-cube-tray or the\r\n \tTypes of castings \u2013 sand casting and die casting\r\n \tSand casting \u2013 pouring molten metal into a sand mold, breaking up the mold to remove the casting. Sand casting requires a pattern \u2013 a full sized model of the part.\r\n \tDie casting is a permanent-mold-casting \u2013 molten metal is injected into the mold cavity under high pressure. Molds for die casting are named as dies.\r\n \tCasting is usually performed in a foundry.\r\nFoundry: Factory equipped for making molds, melting and handling molten metal, performing the casting process, and cleaning the finished casting.\r\n \tWorkers who perform casting are called foundrymen.\r\n \tSimple Steps in casting:\r\n1. Prepare mould (using pattern) \/die\r\n2. Melting and pouring molten metal into a mould\/die.\r\n3. Let it solidify ( Solidification and cooling)\r\n4. Removal, Cleaning, Finishing and Inspection processes\r\n\r\nCASTING: Advantages\r\n\r\n \tCasting can be used to create complex part geometries, including both external and internal shapes.\r\n \tSome casting processes are capable of producing parts to net shape. (No further manufacturing operations are required to achieve the required geometry and dimensions of the parts.)\r\n \tOther casting processes are near net shape, for which some additional shape processing is required (usually machining) in order to achieve accurate dimensions and details.\r\n \tCasting can be used to produce very large parts. Castings weighing more than 100 tons have been made.\r\n \tThe casting process can be performed on any metal that can be heated to the liquid state.\r\n \tSome casting methods are quite suited to mass production.\r\n\r\nCASTING: Disadvantages\r\n\r\nDifferent disadvantages for different casting methods. \r\n\r\nThese include \r\n\r\n \tlimitations on mechanical properties \r\n \tporosity\r\n \tpoor dimensional accuracy and surface finish for some casting processes,\r\n \tsafety hazards to humans when processing hot molten metals, \r\n \tEnvironmental problems.\r\n\r\nCASTING: Applications\r\n\r\n \tParts made by casting processes range in size from small components weighing only a few ounces up to very large products weighing tons.\r\n \tThe list of parts includes dental crowns, jewelry, statues, wood-burning stoves, engine blocks and heads for automotive vehicles, machine frames, railway wheels, frying pans, pipes, and pump housings.\r\n \tAll varieties of metals can be cast, ferrous and nonferrous.","headline":"What is Casting process | Advantages , Disadvantages and Application","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2019-04-10","mainEntityOfPage":"False","dateModified":"February 20, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2019\/04\/casting-process-300x153.jpg","height":153,"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/superplastic-forming-process-of-sheet-metal/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2019/04/superplastic-forming-of-sheet-metal-1-300x262.jpg')"></div><span class="sr-only">link to Superplastic Forming Process of Sheet Metal</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/superplastic-forming-process-of-sheet-metal/">Superplastic Forming Process of Sheet Metal</a></p></header><div class="excerpt"><p>Superplastic Forming Process of Sheet Metal
Superplastic forming (SPF)  The superplastic forming process having the sheet metal to be formed and it placed on SPF die (or) mold, the die have simple...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/superplastic-forming-process-of-sheet-metal/" aria-label="View Post: Superplastic Forming Process of Sheet Metal">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Superplastic Forming Process of Sheet Metal","url":"\/\/www.gunkrazy.com\/superplastic-forming-process-of-sheet-metal\/","articleBody":"Superplastic Forming Process of Sheet Metal\r\nSuperplastic forming (SPF)\r\n\r\nThe superplastic forming process having the sheet metal to be formed and it placed on SPF die (or) mold, the die have simple or complex shape geometry, and then representative of final part to be formed together. During the super plastic forming process the elevated temperature will occur the sheet metal stress is very low.\r\n\r\nWhen the forming process the sheet metal and tooling are heated together and then high pressure of gas is applied. That case, the sheet metals are plastically deformed into desire shape of die cavity.\r\n\r\nWhich superplastic process the multiple sheets such as aluminium, titanium, stainless steel and more other matel to be joined into a flat sheet preform by using automated laser welding process.\r\n\r\nThe selected areas only weld to be done. Then other areas are separated stop off. After sheet metal welded for desired pattern, then the sheet is placed on the die and clamps by using clamping device the preformed heat of superplastic forming in die form.\r\n\r\nThe temperature range of titanium alloy is 900\u2070 and alluminium alloy is 500\u2070c. The pressurized inert gas (up to 2 Mpa) is introduced in between unweld area and sheet metal. The processing time nearly 4 hours approximately. That time interval the formed into die cavity achieved. When the process the material are elongated exceeding in 200%.\r\n\r\n superplastic forming of sheetmetal\r\n\r\nThe preform of sheet metal is elongated into integral stiffing member between outer sheets of metal. The stiffness of metal core is determined by pattern of laser welding sinusoidal, truss core and other internal stiffening geometric are produced a single form step by using automatic weld pattern. The pressure of forming and single step processing are more significantly reduce tooling cost and that compare to conventional method.\r\nAdvantage of superplastic forming:\r\n\r\n \tLower strength require the tooling\r\n \tThe most complex can be formed\r\n \tNo residual stress induced during the parts of formed\r\n \tTooling cost low\r\n \tHigh rate of forming\r\n\r\nMaterials:\r\n\r\n \tThe superplastic forming process suitable for some certain material only. That having very fine grain structure of less than 10 to 15 um size.\r\n \tThe below material of SFP:\r\n \tIron based high carbon alloy\r\n \tIncol 100\r\n \t7475- T6 aluminium alloy\r\n \tIncoloy 718\r\n \tT1- 6A1- 4v titanium alloy\r\n\r\nSPF can be formed complex shape with stiffening rims and other structural features. And also thermal and mechanical processing lead to increase in super plasticity performance.\r\n\r\nThe superplastic forming evaluates the new material and best optimize form cycle. Accurately mechanical test methods to help develop material constitutive relationship and processing models.\r\nApplication:\r\n\r\n \tFresh coater panels\r\n \tWater closet\r\n \tCooler outlet ducts\r\n \tHeat- exchanger ducts\r\n \tLeading edge slatsFuselage bulkheads.\r\n \tElectric vehicle aluminum battery tray","headline":"Superplastic Forming Process of Sheet Metal","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2019-04-10","mainEntityOfPage":"False","dateModified":"February 20, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2019\/04\/superplastic-forming-of-sheet-metal-1-300x262.jpg","height":262,"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/hydrostatic-extrusion-advantages-disadvantages/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2019/04/hydrostatic-extrusion-300x201.jpg')"></div><span class="sr-only">link to Hydrostatic Extrusion &#8211; Advantages and Disadvantages</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/hydrostatic-extrusion-advantages-disadvantages/">Hydrostatic Extrusion &#8211; Advantages and Disadvantages</a></p></header><div class="excerpt"><p>Hydrostatic Extrusion - Advantages and Disadvantages
HYDROSTATIC EXTRUSION
In hydrostatic extrusion the work piece is held in a sealed chamber surrounded by pressurized liquid. Hydrostatic...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/hydrostatic-extrusion-advantages-disadvantages/" aria-label="View Post: Hydrostatic Extrusion &#8211; Advantages and Disadvantages">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Hydrostatic Extrusion &#8211; Advantages and Disadvantages","url":"\/\/www.gunkrazy.com\/hydrostatic-extrusion-advantages-disadvantages\/","articleBody":"Hydrostatic Extrusion - Advantages and Disadvantages\r\nHYDROSTATIC EXTRUSION\r\nIn hydrostatic extrusion the work piece is held in a sealed chamber surrounded by pressurized liquid. Hydrostatic extrusion is actually a form of direct extrusion. The force delivered through the ram is what pressurizes the liquid. The liquid applies pressure to all surfaces of the work billet. When the ram moves forward, it is the force from the incompressible fluid that pushes the work through the die, extruding the metal part.\r\nA critical aspect of manufacturing by this process is setup. The metal work billet must first be tapered to fit through the die opening, thus creating a seal. This is done before adding the liquid, in order to prevent leaking. Since the liquid is under great pressure, this taper must be precise to create a robust bond. Many different shapes may be manufactured by this process, using a variety of materials. Liquid pressure from all directions also greatly decreases the chances of buckling of the work.\r\n\r\nMore article about Extrusion :\r\n\r\n \tWhat is Extrusion Process | Types Of Extrusion process\r\n \tTypes Of Extrusion And Advantages of Extrusion\r\n\r\nhydrostatic extrusion\r\n\r\nHydrostatic extrusion may be performed at room or elevated temperatures, depending upon the manufacturing process. When performed hot, the liquid will insulate the work from thermal gradients between the container and work material.\r\nAn advanced variation of this process is called fluid to fluid extrusion. This process is basically the same, except that the part is extruded into a second chamber also containing pressurized liquid. The liquid in the second chamber is of a lower pressure than the first. Several different kinds of liquids are used when manufacturing by hydrostatic extrusion, including oils, waxes, melted polymers and molten glass.\r\n\r\nHydrostatic extrusion has not had much use in manufacturing industry, due to the complicated equipment and procedures, work preparation, long cycle times and dangers of working with hot, high pressure liquid.\r\n\r\nAdvantages of Hydrostatic Extrusion\r\n\r\n \tNo friction amidst the container and billet. This minimizes the force requirements, allowing higher reduction ratios, faster speeds, &amp; lower billet temperatures.\r\n \tFriction of the die can be largely reduced by a film of pressurized lubricant amidst the die surface and deforming metal.\r\n \tOn applying high pressures, the ductility of material increases.\r\n \tEven flow of material.\r\n \tLarge billets &amp; large cross-sections are extruded.\r\n \tUniform hydrostatic pressure inside the container eliminates the requirement of billets being straightened and extrusion of coiled wire.\r\n \tNo billet residue is left on the walls of container.\r\n\r\nLimitations of Hydrostatic Extrusion\r\n\r\nThere are a number of limitations in the hydrostatic extrusion, especially when a large volume of fluid is used in comparison with the billet volume, which is to be extruded. These limitations are as follows:\r\n\r\n \tIncreased handling for the injection and removal of the fluid for every extrusion cycle.\r\n \tDecreased control of speed of the billet &amp; stopping because of potential stick slip and enormous stored energy in the compressed fluid.\r\n \tDecreased process efficiency in terms of billet-to-container volume ratio.\r\n \tEnhanced complications, when extrusion is done at elevated temperatures.","headline":"Hydrostatic Extrusion &#8211; Advantages and Disadvantages","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2019-04-10","mainEntityOfPage":"False","dateModified":"February 20, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2019\/04\/hydrostatic-extrusion-300x201.jpg","height":201,"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/friction-welding-advantages-disadvantages-and-applications/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2019/04/friction-welding-diagram-300x97.jpg')"></div><span class="sr-only">link to Friction Welding | Advantages ,Disadvantages and Applications</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/friction-welding-advantages-disadvantages-and-applications/">Friction Welding | Advantages ,Disadvantages and Applications</a></p></header><div class="excerpt"><p>Friction Welding | Advantages ,Disadvantages and Applications
FRICTION WELDING
Friction Welding (FRW) is a solid state welding process which produces welds due to the compressive force contact of...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/friction-welding-advantages-disadvantages-and-applications/" aria-label="View Post: Friction Welding | Advantages ,Disadvantages and Applications">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Friction Welding | Advantages ,Disadvantages and Applications","url":"\/\/www.gunkrazy.com\/friction-welding-advantages-disadvantages-and-applications\/","articleBody":"Friction Welding | Advantages ,Disadvantages and Applications\r\nFRICTION WELDING\r\nFriction Welding (FRW) is a solid state welding process which produces welds due to the compressive force contact of work pieces which are either rotating or moving relative to one another. Heat is produced due to the friction which displaces material plastically from the faying surfaces. The basic steps explaining the friction welding process are shown in Fig.4.4.1. In friction welding the heat required to produce the joint is generated by friction heating at the interface. The components to be joined are first prepared to have smooth, square cut surfaces. One piece is held stationary while the other is mounted in a motor driven chuck or collet and rotated against it at high speed. A low contact pressure may be applied initially to permit cleaning of the surfaces by a burnishing action. This pressure is then increased and contacting friction quickly generates enough heat to raise the abutting surfaces to the welding temperature.\r\n\r\nRead More :\u00a0Seminar On Friction Stir Welding report Pdf Download\r\n\r\nfriction welding diagram\r\n\r\nAs soon as this temperature is reached, rotation is stopped and the pressure is maintained or increased to complete the weld. The softened material is squeezed out to form a flash. A forged structure is formed in the joint. If desired, the flash can be removed by subsequent machining action. Friction welding has been used to join steel bars upto 100 mms in diameter and tubes with outer diameter up to 100 mm.\r\nInertia welding is a modified form of friction welding, where the moving piece is attached to a rotating flywheel. The flywheel is brought to a specified rotational speed and is then separated from the driving motor. The rotating assembly is then pressed against the stationary member and the kinetic energy of the flywheel is converted in to frictional heat. The weld is formed, when the flywheel stop its motion and the pieces remain pressed together. Since the conditions of the inertia welding are easily duplicated, welds of consistent quality can be produce and the process can be easily automated. The heat affected zones are usually narrow, since the time period is very short for heating and cooling. The radial and orbital FRW are shown in figure.\r\nAdvantages of Friction Welding\u00a0\r\n1. No filler metal, flux or shielded gases are needed\r\n2. It is an environment-friendly process with generation of smoke, fumes or gases.\r\n3. No material is melted so the process is in solid state with narrow HAZ\r\n4. Oxides can be removed after the welding process.\r\n5. The process is very efficient and comparatively very rapid welds are made.\r\n6. The weld is strength is stronger than the weaker of the two materials being joined\r\nDisadvantages of Friction Welding\u00a0\r\n1. The process is restricted to joining round bars or tubes of same diameter\r\n2. Dry bearing and non-forgeable materials cannot be welded. (i.e. one of the material must be ductile)\r\n3. Preparation and alignment of the work piece may be critical for developing uniform rubbing and heating\r\n4. Equipment and tooling cost are high\r\n5. Free machining alloys are difficult to weld.\r\nApplication of Friction welding :\u00a0\r\n\r\n \tTongs hold to critical aircraft engine components\r\n \tAutomotive parts like engine valve and shock absorber\r\n \tHydraulic piston rod and track roller in agricultural equipment.\r\n \tFriction welded assemblies are often used to replace expensive casting and forgings","headline":"Friction Welding | Advantages ,Disadvantages and Applications","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2019-04-10","mainEntityOfPage":"False","dateModified":"February 20, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2019\/04\/friction-welding-diagram-300x97.jpg","height":97,"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/electroslag-welding-diagram-working-advantages-and-disadvantages/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2019/04/electroslag-Welding-237x300.jpg')"></div><span class="sr-only">link to Electroslag Welding &#8211; Diagram , Working , advantages and Disadvantages </span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/electroslag-welding-diagram-working-advantages-and-disadvantages/">Electroslag Welding &#8211; Diagram , Working , advantages and Disadvantages </a></p></header><div class="excerpt"><p>Electroslag Welding - Diagram , Working , advantages and Disadvantages 
Electroslag Welding
Electro slag Welding is a welding process, in which the heat is generated by an electric current passing...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/electroslag-welding-diagram-working-advantages-and-disadvantages/" aria-label="View Post: Electroslag Welding &#8211; Diagram , Working , advantages and Disadvantages ">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Electroslag Welding &#8211; Diagram , Working , advantages and Disadvantages\u00a0","url":"\/\/www.gunkrazy.com\/electroslag-welding-diagram-working-advantages-and-disadvantages\/","articleBody":"Electroslag Welding - Diagram , Working , advantages and Disadvantages\u00a0\r\nElectroslag Welding\r\nElectro slag Welding is a welding process, in which the heat is generated by an electric current passing between the consumable electrode (filler metal) and the work piece through a molten slag covering the weld surface. Prior to welding the gap between the two work pieces is filled with a welding flux. Electroslag Welding is initiated by an arc between the electrode and the work piece (or starting plate). Heat, generated by the arc, melts the fluxing powder and forms molten slag. The slag, having low electric conductivity, is maintained in liquid state due to heat produced by the electric current.\r\n\r\nThe slag reaches a temperature of about 3500\u00b0F (1930\u00b0C). This temperature is sufficient for melting the consumable electrode and work piece edges. Metal droplets fall to the weld pool and join the work pieces. The weld pool is contained within this space and\u2014due to contact with the copper blocks\u2014it cools, solidifies, and is shaped. Electro-Slag welds are started and finished on run-off plates. This is known as starting or finishing tabs\u2014they improve the quality of the weld metal. Circumferential seams can be welded by the electro-slag process, using special devices to overcome the difficulty of joining the start and finish of a weld. The bead on the reverse side can be moulded by a water-cooled copper chill-ring, a permanent steel-ring, or a travelling shoe. Pieces of variable cross-sections can be electro-slag welded using consumable electrode guides.\r\n\r\nAn A.C. or D.C. power source in the range 300-800 amps is suitable, as used for automatic and MMA processes. Electroslag welding is capable of welding plates with thicknesses ranging from 50 mm to more than 900 mm and welding is done in one pass. The current required is about 600 A at 40 to 50 Volts although higher currents are used for thick plates. The travel speed of the weld is in the range from 12 to 36 mm\/min. Weld quality is high. This process is used for large structural-steel sections, such as heavy machinery, bridges, ships and nuclear reactor vessels.\r\n\r\nelectroslag Welding\r\nAdvantages of Electroslag Welding :\r\n\r\n \tHigh deposition rate - up to 20 kg\/h\r\n \tLow slag consumption (about 5% of the deposited metal weight);\r\n \tLow distortion;\r\n \tUnlimited thickness of work piece.\r\n\r\nDisadvantages of Electroslag Welding\u00a0\r\n\r\n \tCoarse grain structure of the weld;\r\n \tLow toughness of the weld;\r\n \tOnly vertical position is possible.","headline":"Electroslag Welding &#8211; Diagram , Working , advantages and Disadvantages\u00a0","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2019-04-10","mainEntityOfPage":"False","dateModified":"February 20, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2019\/04\/electroslag-Welding-237x300.jpg","height":300,"width":237},"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/co2-moulding-process-advantages-and-application/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2019/04/carbon-di-oxide-processes-300x211.jpg')"></div><span class="sr-only">link to Co2 Moulding process &#8211; Advantages and Application</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/co2-moulding-process-advantages-and-application/">Co2 Moulding process &#8211; Advantages and Application</a></p></header><div class="excerpt"><p>Co2 Moulding process - Advantages and Application
CO2 Molding
Introduction: 
CO2 Casting is a kind of sand casting process. In this process the sand molding mixture is hardened by blowing gas over...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/co2-moulding-process-advantages-and-application/" aria-label="View Post: Co2 Moulding process &#8211; Advantages and Application">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Co2 Moulding process &#8211; Advantages and Application","url":"\/\/www.gunkrazy.com\/co2-moulding-process-advantages-and-application\/","articleBody":"Co2 Moulding process - Advantages and Application\r\nCO2 Molding\r\nIntroduction: \r\nCO2 Casting is a kind of sand casting process. In this process the sand molding mixture is hardened by blowing gas over the mold. This process is favoured by hobby metal casters because a lot of cost cutting can be done. In addition, one can be sure of getting dimensionally accurate castings with fine surface finish. But, this process is not economical than green sand casting process.\r\n\r\nProcess: \r\n\r\nThe Mold for CO2 Casting is made of a mixture of sand and liquid silicate binder which is hardened by passing CO2 gas over the mold. The equipment of the molding process includes CO2 cylinder, regulator, hoses and hand held applicator gun or nozzle. Carbon di oxide molding delivers great accuracy in production. Any existing pattern can be used for the molding purpose which can be placed in the mold before the mold is hardened. This method helps in producing strong mold and cores that can be used for high end applications. If the process is carefully executed then casting can be as precise as produced by the shell casting method.\r\n\r\nCarbon di oxide casting is favored both by the commercial foundry men and hobbyist for a number of reasons. In commercial operations, foundry men can assure customers of affordable castings which require less machining. The molding process which can be fully automated is generally used for casting process that require speed, high production runs and flexibility. In home foundries this is one of the simplest process that improves the casting quality.\r\n\r\ncarbon di oxide processes\r\nApplications of Co2 Molding :\r\nCO2 casting process is ideal where speed and flexibility is the prime requirement. Molds and cores of a varied sizes and shapes can be molded by this process.\r\nAdvantages of Co2 molding :\r\nThis process has many advantages in comparison to other forms of castings some of them are as follows:\r\na. Compared to other casting methods cores and molds are strong\r\nb. Reduces fuel cost since gas is used instead of to other costly heating generating elements\r\nc. Reduces large requirement for number of mold boxes and core dryers\r\nd. Provides great dimensional tolerance and accuracy in production\r\ne. Moisture is completely eliminated from the molding sand\r\nf. This process can be fully automated.","headline":"Co2 Moulding process &#8211; Advantages and Application","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2019-04-09","mainEntityOfPage":"False","dateModified":"February 20, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2019\/04\/carbon-di-oxide-processes-300x211.jpg","height":211,"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=77">&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=76"><span class="screen-reader-text">Page </span>76</a> <a class="page-numbers" href="?page_num=77"><span class="screen-reader-text">Page </span>77</a> <span aria-current="page" class="page-numbers current"><span class="screen-reader-text">Page </span>78</span> <a class="page-numbers" href="?page_num=79"><span class="screen-reader-text">Page </span>79</a> <a class="page-numbers" href="?page_num=80"><span class="screen-reader-text">Page </span>80</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=79">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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