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What is a central ac unit?
Central air conditioner unit is an energy moving or converted machines that are designed to cool or heat the entire house....</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/how-does-a-central-air-conditioning-system-work/" aria-label="View Post: how does a central air conditioning system work">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"how does a central air conditioning system work","url":"\/\/www.gunkrazy.com\/how-does-a-central-air-conditioning-system-work\/","articleBody":"how does a central air conditioning system work\r\nWhat is a central ac unit?\r\nCentral air conditioner unit is an energy moving or converted machines that are designed to cool or heat the entire house. It does not create heat or cool. It just removes heat from one area, where it is undesirable, to an area where it is less significant.\r\n\r\nCentral air conditions has a centralize duct system. The duct system (air distribution system) has an air handler, air supply system, air return duct and the grilles and register that circulates warm air from a furnace or cooled air from central air conditioning units to our room. It returns that air back to the system and starts again.\r\n\r\nIt uses Ac refrigerant (we may know it as Freon) as a substance to absorb the heat from indoor evaporator coils and rejects that heat to outdoor condenser coils or vice verse.\r\n\r\nRead More :\u00a0\u00a0Types Of HVAC Systems and Their Advantages\r\nCentral Air Conditioning Components :\u00a0\u00a0\r\nCentral air conditioning systems are typically combined with the furnace system, if your home has one (or use a dedicated air handler if it doesn't), and both use the same electrical system and duct-work.\r\n\r\nA central AC\u2019s main components are:\r\n\r\n \tFans that pull air through the system\r\n \tEvaporator coils that change refrigerant from liquid to gas\r\n \tA compressor that pressurizes refrigerant gas\r\n \tCondenser coils that turn refrigerant gas into a liquid\r\n \tRefrigerant lines that carry refrigerant between the coils\r\n \tAn expansion device that regulates refrigerant flowing to the evaporator\r\n\r\nCentral Air Conditioning working Diagram :\r\n central air conditioning Working Diagram\r\nHow Does an Air Conditioner Work?\r\n\r\n \tWhen a liquid turns into a gas or \u201cevaporates\u201d it absorbs heat. This is why pouring water over your skin makes you feel cooler in hot weather. Air conditioners use a chemical compound known as refrigerant that turns from liquid to gas at low temperatures. Refrigerant moves through the air conditioning system, absorbing heat from your house and transferring it outdoors in a continuous cycle.\r\n \tCold refrigerant is pumped through the evaporator coil. A fan blows air over the coil, and the refrigerant in the coil absorbs heat from the air. The now-cool air is blown into your ducts to be distributed through your home. As the refrigerant absorbs heat, it evaporates into a low-pressure gas.\r\n \tHot, low-pressure refrigerant gas moves to the compressor, which increases the pressure and temperature of the gas.\r\n \tHot, high-pressure refrigerant gas moves to the condenser. The gas releases heat and, as it does so, it condenses back into a liquid.\r\n \tThe liquid refrigerant flows to the expansion valve, which regulates how much refrigerant gets through to the evaporator. From here, the refrigerant flows to the evaporator to start the cooling cycle over again.\r\n\r\nTypes Of Central Air Conditioning :\r\n\r\nCentral air conditioning systems come in two basic designs: split and packaged. \r\n\r\n \tSplit systems are the most commonly used type, and are split between an outdoor and an indoor unit, as the name suggests. \r\n \tIn a packaged\/ductless system, all the components are housed in one unit that is installed outside your home. Split and packaged systems both contain the same components and can provide the same amount of cooling, but there are some differences.\r\n\r\nBenefits of Central Air Conditioning System\r\n\r\n \tIndoor comfort during warm weather \u2013 Central air conditioning helps keep your home cool and reduces humidity levels.\r\n \tCleaner air \u2013 As your central air conditioning system draws air out of various rooms in the house through return air ducts, the air is pulled through an air filter, which removes airborne particles such as dust and lint. Sophisticated filters may remove microscopic pollutants, as well. The filtered air is then routed to air supply duct-work that carries it back to rooms.\r\n \tQuieter operation \u2013 Because the compressor-bearing unit is located outside the home, the indoor noise level from its operation is much lower than that of a free-standing air conditioning","headline":"how does a central air conditioning system work","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-05-10","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/05\/central-air-conditioning-Working-Diagram-300x240.jpg","height":240,"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/milling-process-definition-milling-manufacturing-processes/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/05/milling-process-min-255x300.jpg')"></div><span class="sr-only">link to Milling Process &#8211; Definition , Milling Manufacturing Processes</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/milling-process-definition-milling-manufacturing-processes/">Milling Process &#8211; Definition , Milling Manufacturing Processes</a></p></header><div class="excerpt"><p>Milling Process - Definition , Milling Manufacturing Processes
Definition Of Milling :
Milling is a process performed with a machine in which the cutters rotate to remove the material from the work...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/milling-process-definition-milling-manufacturing-processes/" aria-label="View Post: Milling Process &#8211; Definition , Milling Manufacturing Processes">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Milling Process &#8211; Definition , Milling Manufacturing Processes","url":"\/\/www.gunkrazy.com\/milling-process-definition-milling-manufacturing-processes\/","articleBody":"Milling Process - Definition , Milling Manufacturing Processes\r\nDefinition Of Milling :\r\nMilling is a process performed with a machine in which the cutters rotate to remove the material from the work piece present in the direction of the angle with the tool axis. With the help of the milling machines one can perform many operations and functions starting from small objects to large ones.\r\n\r\nMilling machining is one of the very common manufacturing processes used in machinery shops and industries to manufacture high precision products and parts in different shapes and sizes.\r\nIntroduction to Milling :\r\nMilling machine is one of the important machining operations. In this operation the workpiece is fed against a rotating cylindrical tool. The rotating tool consists of multiple cutting edges (multipoint cutting tool). Normally axis of rotation of feed given to the workpiece. Milling operation is distinguished from other machining operations on the basis of orientation between the tool axis and the feed direction, however, in other operations like drilling, turning, etc. the tool is fed in the direction parallel to axis of rotation.\r\n\r\nThe cutting tool used in milling operation is called milling cutter, which consists of multiple edges called teeth. The machine tool that performs the milling operations by producing required relative motion between workpiece and tool is called milling machine. It provides the required relative motion under very controlled conditions. These conditions will be discussed later in this unit as milling speed, feed rate and depth of cut.\r\n\r\nNormally, the milling operation creates plane surfaces. Other geometries can also be created by milling machine. Milling operation is considered an interrupted cutting operation teeth of milling cutter enter and exit the work during each revolution. This interrupted cutting action subjects the teeth to a cycle of impact force and thermal shock on every rotation. The tool material and cutter geometry must be designed to bear the above stated conditions. Depending upon the positioning of the tool and workpiece the milling operation can be classified into different types.\r\n\r\nRead More :\u00a0Working Principle Of Milling | Classification Of Milling Machine\r\nMilling Process\r\nThe milling machine involves the following processes or phases of cutting:\r\n\r\nMilling Cutters\r\nThere are a lot of cutting tools used in the milling process. The milling cutters named end mills have special cutting surfaces on their end surfaces so that they can be placed onto the work piece by drilling. These also have extended cutting surfaces on each side for the purpose of peripheral milling. The milling cutters have small cutters at the end corners. The cutters are made from highly resistant materials that are durable and produce less friction.\r\n\r\nSurface Finish\r\nAny material put through the cutting area of the milling machine gets regular intervals. The side cutters have got regular ridges on them. The distance between the ridges depends on the feed rate, the diameter of the cutter and the quantity of cutting surfaces. These can be the significant variations in the height of the surfaces.\r\n\r\nGang Milling \r\nThis means that more than two milling cutters are involved in a setup like the horizontal milling. All the cutters perform a uniform operation or it may also be possible that the cutter may perform distinct operations. This is an important operation for producing duplicate parts.\r\n\r\nMilling is a metal removal process by means of using a rotating cutter having one or more cutting teeth as illustrated in figure\u00a0\r\nCutting action is carried out by feeding the workpiece against the rotating cutter. Thus, the spindle speed, the table feed, the depth of cut, and the rotating direction of the cutter become the main parameters of the process. Good results can only be achieved with a well balanced settings of these parameters.\r\n\r\n milling process\r\nMilling Process cutting Parameter :\u00a0\r\nThere are three major cutting parameters to be controlled in any milling operation. These three parameters are cutting, speed, feed rate and depth of cut. These parameters are described below.\r\n\r\nCutting Speed\r\nCutting speed of a milling cutter is its peripheral linear speed resulting from operation. It is expressed in meters per minute. The cutting speed can be derived\r\nfrom the above formula.\r\n\r\nV =\u00a0\u03c0DN \/1000\r\n\r\nwhere,\r\n\r\nd = Diameter of milling cutter in mm,\r\nV = Cutting speed (linear) in meter per minute, and\r\nn = Cutter speed in revolution per minute.\r\n\r\nSpindle speed of a milling machine is selected to give the desired peripheral speed of cutter.\r\n\r\nFeed Rate\r\nIt is the rate with which the workpiece under process advances under the revolving milling cutter. It is known that revolving cutter remains stationary and feed is\r\ngiven to the workpiece through worktable. Generally feed is expressed in three ways.\r\n\r\nFeed per Tooth\r\nIt is the distance traveled by the workpiece (its advance) between engagement by the two successive teeth. It is expressed as mm\/tooth (ft).\r\n\r\nFeed per Revolution\r\nTravel of workpiece during one revolution of milling cutter. It is expressed as mm\/rev. and denoted by f(rev).\r\n\r\nFeed per Unit of Time\r\nFeed can also be expressed as feed\/minute or feed\/sec. It is the distance advances by the workpiece in unit time (fm).\r\n\r\nAbove described three feed rates are mutually convertible.\r\n(fm). = n x\u00a0 f(rev).\r\nwhere n = rpm of cutter.\r\n\r\nIt can be extended further as\r\n(fm). = n x\u00a0 f(rev). = z x n x\u00a0f(rev)\r\n\r\nwhere z = Number of teeth in milling cutter.\r\n\r\nRead More About Milling Cutter :\u00a0Types Of Milling Cutters used For Various Milling Operation\r\n\r\nDepth of Cut\r\nDepth of cut in milling operation is the measure of penetration of cutter into the workpiece. It is thickness of the material removed in one pairs of cutter under\r\nprocess. One pairs of cutter means when cutter completes the milling operation from one end of the workpiece to another end. In other words, it is the\r\nperpendicular distance measured between the original and final surface of workpiece. It is measured in mm.\r\nMilling Operations\r\nOwing to the variety of shapes possible and its high production rates, milling is one of the most versatile and widely used machining operations. The geometric form created by milling fall into three major groups:\r\n\r\n \tPlane surfaces: the surface is linear in all three dimensions. The simplest and most convenient type of surface;\r\n \tTwo-dimensional surfaces: the shape of the surface changes in the direction of two of the axes and is linear along the third axis. Examples include cams;\r\n \tThree-dimensional surfaces: the shape of the surface changes in all three directions Examples include die cavities, gas turbine blades, propellers, casting patterns, etc.","headline":"Milling Process &#8211; Definition , Milling Manufacturing Processes","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-05-10","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/05\/milling-process-min-255x300.jpg","height":300,"width":255},"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/types-of-fluid-flow-in-pipe-basic-of/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/05/types-of-flow-in-pipe-300x139.jpg')"></div><span class="sr-only">link to Types Of Fluid Flow in a Pipe- Basic Of fluid Mechanics</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/types-of-fluid-flow-in-pipe-basic-of/">Types Of Fluid Flow in a Pipe- Basic Of fluid Mechanics</a></p></header><div class="excerpt"><p>Types Of Fluid Flow in a Pipe- Basic Of fluid Mechanics  Types of Flows in a Pipe -  The type of flow of a liquid depends upon the manner in which the particles unite and move. Though there are...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/types-of-fluid-flow-in-pipe-basic-of/" aria-label="View Post: Types Of Fluid Flow in a Pipe- Basic Of fluid Mechanics">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Types Of Fluid Flow in a Pipe- Basic Of fluid Mechanics","url":"\/\/www.gunkrazy.com\/types-of-fluid-flow-in-pipe-basic-of\/","articleBody":"Types Of Fluid Flow in a Pipe- Basic Of fluid Mechanics\r\n\r\nTypes of Flows in a Pipe -\r\n\r\n\r\nThe type of flow of a liquid depends upon the manner in which the particles unite and move. Though there are many types of flows, yet the following are important :\r\n\r\ntypes of flow in pipe\r\n\r\n\r\n\r\n\r\n\r\n1. Uniform flow:\u00a0\r\n\r\n\r\n\r\n\r\nA flow, in which the liquid particles at all sections of a pipe or channel have\u00a0\u00a0the\u00a0same velocities, is called a uniform flow.\r\n\r\n\r\n\r\n\r\n2. Non-uniform flow:\u00a0\r\n\r\n\r\n\r\n\r\nA flow, in which the liquid particles at different sections of a pipe or channel have different velocities, is called a non-uniform flow.\r\n\r\n\r\n\r\n\r\n3. Streamline flow:\u00a0\r\n\r\n\r\n\r\n\r\nA flow, in which each liquid particle has a definite path and the paths of individual particles do not cross each other, is called a streamline flow.\r\n\r\n\r\n\r\n\r\n4. Turbulent flow:\u00a0\r\n\r\n\r\n\r\n\r\nA flow, in which each liquid particle does not have a definite path and the paths of individual particles also cross each other, is called a turbulent flow.\r\n\r\n\r\n\r\n\r\n5. Steady flow:\u00a0\r\n\r\n\r\n\r\n\r\nA flow, in which the quantity of liquid flowing per second is constant, is called a steady flow. A steady flow may be uniform or non - uniform.\r\n\r\n\r\n\r\n\r\n6. Unsteady flow:\u00a0\r\n\r\n\r\n\r\n\r\nA flow, in which the quantity of liquid flowing per second is not constant, is called an unsteady flow.\r\n\r\n\r\n\r\n\r\n7. Compressible flow:\u00a0\r\n\r\n\r\n\r\n\r\nA flow, in which the volume of a fluid and its density changes during the flow, is called a compressible flow. All the gases are considered to have compressible flow.","headline":"Types Of Fluid Flow in a Pipe- Basic Of fluid Mechanics","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-05-10","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/05\/types-of-flow-in-pipe-300x139.jpg","height":139,"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/what-is-pirani-gauge-working-application-advantages/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/05/pirani-vacuum-gauges-300x255.jpg')"></div><span class="sr-only">link to What is Pirani gauge &#8211; Working ,Application , Advantages</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/what-is-pirani-gauge-working-application-advantages/">What is Pirani gauge &#8211; Working ,Application , Advantages</a></p></header><div class="excerpt"><p>What is Pirani gauge - Working ,Application , Advantages
The Pirani gauge is a robust thermal conductivity gauge used for the measurement of the low pressures in vacuum systems  Construction and...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/what-is-pirani-gauge-working-application-advantages/" aria-label="View Post: What is Pirani gauge &#8211; Working ,Application , Advantages">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"What is Pirani gauge &#8211; Working ,Application , Advantages","url":"\/\/www.gunkrazy.com\/what-is-pirani-gauge-working-application-advantages\/","articleBody":"What is Pirani gauge - Working ,Application , Advantages\r\nThe Pirani gauge is a robust thermal conductivity gauge used for the measurement of the low pressures in vacuum systems\r\n\r\nConstruction and Working Of Pirani Gauges :\u00a0\r\n\r\nThe Pirani gauge consists of a metal filament (usually platinum) suspended in a tube which is connected to the system whose vacuum is to be measured. Connection is usually made either by a ground glass joint or a flanged metal connector, sealed with an o-ring. The filament is connected to an electrical circuit from\r\nwhich, after calibration, a pressure reading may be taken.\r\nA conducting wire (platinum filament) gets heated when electric current flows through it. This wire suspended in a gas will lose heat to the gas as its molecules collide with the wire and remove heat. As the gas pressure is reduced (by the vacuum pumps) the number of molecules present will fall proportionately, the conductivity of the surrounding media will fall and the wire will lose heat more slowly. Measuring the heat loss is an indirect indication of pressure.\r\n\r\npirani vacuum gauges\r\n\r\nThe electrical resistance of the wire varies with its temperature, so the measurement of resistance also indicates the temperature of wire. Now the change in resistance of the filament is determined using the bridge. This change in resistance of the pirani gauge filament becomes a measure of the applied pressure\r\nwhen calibrated.\r\n\r\nIn many systems, the wire is maintained at a constant resistance R by controlling the current I through the wire. The resistance can be set using a bridge circuit. The power delivered to the wire is I2R, and the same power is transferred to the gas. The current required to achieve this balance is therefore a measure of the\r\nvacuum.\r\nThe gauge may be used for pressures between 0.5 Torr to 10\u22123 Torr. The thermal conductivity and heat capacity of the gas may affect the readout from the meter, and therefore the apparatus may need calibrating before accurate readings are obtainable. For lower pressure measurement other instruments such as a Penning gauge are used.\r\n\r\nApplications of Pirani gauge\r\nUsed to measure low vacuum and ultra high vacuum pressures.\r\n\r\nAdvantages of Pirani gauge\r\n\r\n \tThey are rugged and inexpensive\r\n \tGive accurate results\r\n \tGood response to pressure changes.\r\n \tRelation between pressure and resistance is linear for the range of use.\r\n \tReadings can be taken from a distance.\r\n\r\nLimitations of Pirani gauge\r\n\r\n \tPirani gauge must be checked frequently.\r\n \tPirani gauge must be calibrated from different gases.\r\n \tElectric power is a must for its operation.","headline":"What is Pirani gauge &#8211; Working ,Application , Advantages","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-05-09","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/05\/pirani-vacuum-gauges-300x255.jpg","height":255,"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/die-casting-types-steps-pressure-die-casting-process/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/05/steps-in-hot-chamber-die-casting-and-steps-in-cold-chamber-die-casting-300x280.jpg')"></div><span class="sr-only">link to Die Casting &#8211; Types , Steps in Pressure die Casting Process</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/die-casting-types-steps-pressure-die-casting-process/">Die Casting &#8211; Types , Steps in Pressure die Casting Process</a></p></header><div class="excerpt"><p>Die Casting - Types , Steps in Pressure die Casting Process
What is Die casting ?
Die casting is a moulding process in which the molten metal is injected under high pressure and velocity into a...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/die-casting-types-steps-pressure-die-casting-process/" aria-label="View Post: Die Casting &#8211; Types , Steps in Pressure die Casting Process">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Die Casting &#8211; Types , Steps in Pressure die Casting Process","url":"\/\/www.gunkrazy.com\/die-casting-types-steps-pressure-die-casting-process\/","articleBody":"Die Casting - Types , Steps in Pressure die Casting Process\r\nWhat is Die casting ?\r\nDie casting is a moulding process in which the molten metal is injected under high pressure and velocity into a split mould die. It is also called pressure die casting. The split mould used under this type of casting is reusable.\r\n\r\nTypes Of Die Casting :\r\n\r\nDie casting is categorized two types namely-\r\n\r\n \tHot chamber Die Casting Process and Cold chamber Die Casting Process\u00a0\r\n\r\nMetals like Zinc, tin and lead alloys are casted in hot chamber die casting having melting point below 3900C whereas aluminum alloys are casted in cold chamber\r\ndie casting machine. Aluminum dissolves ferrous parts in the die chamber and hence preferred to be used in cold chamber die casting. Continuous contact of molten metal is avoided by using a ladle for introducing molten metal directly to the machine.\r\n\r\nThe Hot-Chamber Die Casting Process \r\nHot-chamber die casting, sometimes called gooseneck casting, is the more popular of the two die casting processes. In this process, the cylinder chamber of the injection mechanism is completely immersed in the molten metal bath. A gooseneck metal feed system draws the molten metal into the die cavity.\r\n\r\nWhile direct immersion in the molten bath allows for quick and convenient mold injection, it also results in increased corrosion susceptibility. Due to this fact, the hot-chamber die casting process is best suited for applications that utilize metals with low melting points and high fluidity. Good metals for the hot-chamber die casting process include lead, magnesium, zinc and copper.\r\n\r\nThe Cold-Chamber Die Casting Process\r\nThe cold-chamber die casting process is very similar to hot-chamber die casting. With a design that focuses on minimizing machine corrosion rather than production efficiency, the melted metal is automatically- or hand-ladled into the injection system. This eliminates the necessity for the injection mechanism to be immersed in the molten metal bath.\r\n\r\nFor applications that are too corrosive for the immersion design of hot-chamber die casting, the cold-chamber process can be an excellent alternative. These applications include the casting of metals with high melting temperatures, such as aluminum and aluminum alloys.\r\nSteps in Hot chamber Die Casting Process \/ Steps In Cold Chamber Die Casting Process\u00a0\r\nsteps in hot chamber die casting and steps in cold chamber die casting\r\n\r\nApart from these two, there are also several other variations of die casting process, such as:\r\n\r\nLow Pressure Die Casting \u2013 Vehicle wheels and other Aluminum components are fabricated using this process. The removal of the feeders from the process ensures high casting yields.\r\n\r\nVacuum Die Casting \u2013 Applications that have post casting heat treatment uses are made through this process. The advantages of this process include reduced turbulence and limited gas inclusions. Vacuum die casting also ensures enhanced strength and low porosity to the material.\r\n\r\nSqueeze Die Casting \u2013 This process is mostly used for the strengthening of fiber, and it is mostly related to molten Aluminum. It allows for casting metals and allows much lower fluidity.\r\n\r\nSemi-Solid Die Casting \u2013 It provides minimum porosity and maximum density into the casted material. Also called Thixo-forming, this process gives an added advantage of better precision; it is most commonly used for non-ferrous metals such as Magnesium and Aluminum alloys.\r\n\r\nRead More :\u00a0Types Of Casting Processes and their Applications\r\nAdvantages of the die casting process\r\n1. High production rate.\r\n2. High accuracy in part dimensions.\r\n3. Smooth surface finish for minimum mechanical finishing.\r\n4. Ability to make many intricate parts such as hole opening slot trademark number etc.\r\n5. Much thinner wall sections can be produced which can\u2019t be produced by other casting\r\nmethods.\r\n6. Varieties of alloys can be used as per design requirements. For example zinc can be used for intricate forms and plasticity, aluminum for higher structural strength, rigidity and light weight.\r\n7. Ability to cast inserts such as pins studs shafts, fasteners etc.\r\nDisadvantages of the die casting process\r\n1. Microporosityinthe die casting products is a common problem because of faster solidification, trapped air and vaporized die lubricants.\r\n2. Undercuts cannot be found in simple two piece dies.\r\n3. Hollow shapes are not readily casted because of the high metal pressure.\r\n4. Limited sizes of the products can be produced based on the availability of the equipment\r\n5. High melting temperature alloys are practically not die casted\r\n6. Flash is present except for very small zinc die casting.","headline":"Die Casting &#8211; Types , Steps in Pressure die Casting Process","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-05-08","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/05\/steps-in-hot-chamber-die-casting-and-steps-in-cold-chamber-die-casting-300x280.jpg","height":280,"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/diaphragm-pressure-gauge-diagram-application-advantages/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/05/Diaphragm-pressure-gauge-233x300.jpg')"></div><span class="sr-only">link to Diaphragm pressure gauge &#8211; Diagram , Application ,Advantages</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/diaphragm-pressure-gauge-diagram-application-advantages/">Diaphragm pressure gauge &#8211; Diagram , Application ,Advantages</a></p></header><div class="excerpt"><p>Diaphragm pressure gauge - Diagram , Application ,Advantages
Pressure gauge with diaphragm is pressure gauge which uses diaphragm to measure pressure. The meaning of diaphragm is a material which...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/diaphragm-pressure-gauge-diagram-application-advantages/" aria-label="View Post: Diaphragm pressure gauge &#8211; Diagram , Application ,Advantages">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Diaphragm pressure gauge &#8211; Diagram , Application ,Advantages","url":"\/\/www.gunkrazy.com\/diaphragm-pressure-gauge-diagram-application-advantages\/","articleBody":"Diaphragm pressure gauge - Diagram , Application ,Advantages\r\nPressure gauge with diaphragm is pressure gauge which uses diaphragm to measure pressure. The meaning of diaphragm is a material which easy to bend or so-called membrane, which is usually made \u200b\u200bof thin metal, leather, rubber, clan, etc. The working principle pressure gauge with diaphragm is shown in Figure 1 based on the resilience properties of metal \/ thin plate due to the curvature of iteration pressure at membrane plane, the membrane device is used to measure the difference of two different pressures.\r\n\r\nSee Also :\u00a0Bourdon Pressure Gauge -Working , Advantages ,Application\r\n\r\nThe ability of pressure gauge with diaphragm to read the different pressure is based on:\r\n\r\n \tThe area of \u200b\u200bmembrane.\r\n \tThick membrane.\r\n \tType of membrane material.\r\n\r\nDiaphragm pressure gauge\r\n\r\nThe advantages of pressure gauge with diaphragm as follow:\r\n\r\n- Very sensitive due to changes in pressure\r\n- Can be used to measure the height of liquid surface\r\n- Can be used for different pressure\r\n- Can be used at transmitter\r\n- Can be used to measure flow\r\nDiaphragm pressure gauge Diagram :\r\nPressure Gauge with Diaphragm\r\nTypes of diaphragm pressure transducers \r\nTwo types of diaphragm are generally used: \r\n\r\n1) Metallic diaphragm gauge -\u00a0It consists of a thin flexible diaphragm made of materials such as brass or bronze. The motion of the diaphragm operates an indicating or a recording type of instrument.\r\n\r\nThis type of gauge is capable of working in any position and is portable, and therefore well adapted for use or for installation in moving equipments such as aircrafts.\r\n\r\n2) Slack diaphragm gauge-\u00a0 It is more difficult to measure pressure below the atmospheric pressure because the changes are small. The full range from atmospheric pressure to a perfect vacuum is only 14.7 psi (1 kg\/cm2)\r\n\r\nA slack diaphragm gauge with a weak spring and a large area can be used over pressure ranges as low as 0.01- 0.40 mm Hg (torr). It is possible to achieve accuracies of 1-2%.","headline":"Diaphragm pressure gauge &#8211; Diagram , Application ,Advantages","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-05-07","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/05\/Diaphragm-pressure-gauge-233x300.jpg","height":300,"width":233},"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=191">&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=190"><span class="screen-reader-text">Page </span>190</a> <a class="page-numbers" href="?page_num=191"><span class="screen-reader-text">Page </span>191</a> <span aria-current="page" class="page-numbers current"><span class="screen-reader-text">Page </span>192</span> <a class="page-numbers" href="?page_num=193"><span class="screen-reader-text">Page </span>193</a> <a class="page-numbers" href="?page_num=194"><span class="screen-reader-text">Page </span>194</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=193">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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