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Types of Limit Switches</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/limit-switches-working-principles-types-limit-switches/">Limit Switches Working Principles &#8211; Types of Limit Switches</a></p></header><div class="excerpt"><p>Limit Switches Working Principles - Types of Limit Switches
What is Limit Switches :
Mechanical limit switches are contact sensing devices widely used for detecting the presence or position of...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/limit-switches-working-principles-types-limit-switches/" aria-label="View Post: Limit Switches Working Principles &#8211; Types of Limit Switches">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Limit Switches Working Principles &#8211; Types of Limit Switches","url":"\/\/www.gunkrazy.com\/limit-switches-working-principles-types-limit-switches\/","articleBody":"Limit Switches Working Principles - Types of Limit Switches\r\nWhat is Limit Switches :\r\nMechanical limit switches are contact sensing devices widely used for detecting the presence or position of objects in industrial applications. The term limit switch is derived from the operation of the device it-self. As an object (or target) makes contact with the operator of the switch, it eventually moves the actuator to the \"limit\" where the electrical contacts change state.\r\n\r\nA limit switch is an electromechanical device that consists of an actuator mechanically linked to a set of contacts. When an object comes into contact with the actuator, the device operates the contacts to make or break an electrical connection.\r\n\r\nMechanical Limit Switches :\u00a0\r\n\r\nMechanical limit switches typically consist of a mounted actuator arm that operates a set of a electrical contacts when the arm is displaced.\r\nTypes Of Mechanical limit Switches :\u00a0\r\nTwo examples are shown in illustrates the operation of a Lever-type limit switch and illustrates a plunger, or push-type, limit switch. \r\n\r\nWorking Of Limit Switches :\r\n\r\nIn the case of the lever type, the actuator arm is a rod connected to a lever shaft, which is free to rotate when the rod is displaced. When the forces displacing the rod are removed, the lever shaft is returned to its normal position by a return spring. The lever shaft has a roller mounted on its bottom, which rotates a rocker as it changes position from right side to left side. This mechanical action operates one or more sets of contacts, which are mounted on the other side of the limit switch, as shown in the back view. The rocker shaft is connected through the housing to the contact lever assembly, the head of which moves a set of electrical contacts. The electrical contact may either be closed or open initially. The action of the actuator and lever arms takes it from its normal, or deactivated, state to the other state. Hence, a normally open limit switch will be closed when activated and a normally closed limit switch will be open when activated.\r\n\r\nLimit Switch Diagram :\r\n\r\n&nbsp;\r\n\r\ntypes of mechanical limit switches\r\n\r\nFigure b. illustrates the more direct action of a push-type limit switch. It shows a set of contacts operated from the contact lever assembly. Contact set a-b is normally closed; set c-d is normally open. When the lever is depressed, each contact goes to its opposite state. When installed, the user wires the appropriate contact pair back to the controller, which distinguishes the state of the system by sensing the presence of voltage or current supplied through the contact.\r\n\r\nLimit switches come in several varieties and designs; Figure simply shows two concepts. They are designed for heavy-duty applications in which there is physical\r\ncontact between the actuator and the process being sensed. For example, limit switches are often used on machine tools to limit the travel of a machine axis. They are sometimes used in materials handling applications, e.g. to indicate the passage of a part along a conveyor. They are typically designed to handle relatively high voltages, both AC and DC. This means they cannot be directly wired to the input port of a computer without having their signal converted to TTL level.\r\n\r\nFeatures and Benefits of Limit Switches\r\n\r\n \tCan be used in almost any industrial environment\r\n \tVery precise in terms of accuracy and repeatability\r\n \tConsume little electrical energy\r\n \tCan switch loads with high inductance\r\n \tCan control multiple loads\r\n\r\nLimitations of Limit Switches\r\n\r\n \tGenerally restricted to equipment operating at relatively low speeds.\r\n \tMust make direct contact with target.\r\n \tMoving mechanical parts will wear out.","headline":"Limit Switches Working Principles &#8211; Types of Limit Switches","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-04-26","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/04\/types-of-mechanical-limit-switches-300x141.jpg","height":141,"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/product-engineering-role-duties-skills-product-engineers/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/04/sw-product-300x223.png')"></div><span class="sr-only">link to What is Product Engineering &#8211; Role ,Duties ,Skills For Product Engineers</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/product-engineering-role-duties-skills-product-engineers/">What is Product Engineering &#8211; Role ,Duties ,Skills For Product Engineers</a></p></header><div class="excerpt"><p>What is Product Engineering - Role ,Duties ,Skills For Product Engineers
A Product Engineer is a Mechanical Engineer who specializes in designing products and their corresponding manufacturing...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/product-engineering-role-duties-skills-product-engineers/" aria-label="View Post: What is Product Engineering &#8211; Role ,Duties ,Skills For Product Engineers">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"What is Product Engineering &#8211; Role ,Duties ,Skills For Product Engineers","url":"\/\/www.gunkrazy.com\/product-engineering-role-duties-skills-product-engineers\/","articleBody":"What is Product Engineering - Role ,Duties ,Skills For Product Engineers\r\nA Product Engineer is a Mechanical Engineer who specializes in designing products and their corresponding manufacturing processes. They are also responsible for transitioning the product from design to manufacturing at scale. Virtually every industry that involves manufacturing products for sale employs Product Engineers. Their work environment is typically on-site at a manufacturing plant or in the corporate office working on designs and meeting with stakeholders.\r\n\r\nProduct engineering refers to the process of designing and developing a device, assembly, or system such that it be produced as an item for sale through some production manufacturing process. Product engineering usually entails activity dealing with issues of cost, producibility, quality, performance, reliability, serviceability, intended lifespan and user features. These product characteristics are generally all sought in the attempt to make the resulting product attractive to its intended market and a successful contributor to the business of the organization that intends to offer the product to that market. It includes design, development and transitioning to manufacturing of the product. The term encompasses developing the concept of the product and the design and development of its mechanical, electronics and software components. After the initial design and development is done, transitioning the product to manufacture it in volumes is considered part of product engineering.\r\n\r\nFor example, the engineering of a digital camera would include defining the feature set, design of the optics, the mechanical and ergonomic design of the packaging, developing the electronics that control the various component and developing the software that allows the user to see the pictures, store them in memory and download them to a computer.\r\n\r\nProduct engineering is an engineering discipline that deals with both design and manufacturing aspects of a product.\r\n\r\nproduct engineers\r\nProduct Engineer Duties and Responsibilities\r\nDesigning products and the processes to manufacture them at scale involves several duties and responsibilities. We read through several Product Engineer job descriptions to compile this list of the most common Product Engineer tasks.\r\n\r\nManage the Design of Products and Processes\r\n\r\nDesigning products and their processes for manufacturing is where a Product Engineer spends a good portion of time. This involves using Computer Aided Design (CAD) software to build digital models of product concepts.\r\n\r\nCreate and Test Product Prototypes\r\n\r\nOnce a digital model of a product is created, the Product Engineer then creates and tests product prototypes. This requires complex problem solving skills, as the initial build of a prototype is rarely a smooth process.\r\n\r\nSelect Materials for Product Manufacturing\r\n\r\nThe Product Engineer is in charge of sourcing the materials necessary to build a prototype, and then scale that prototype in a cost-effective manner. This process involves working closely with Logisticians and Shipping Managers.\r\n\r\nCollaborate with Product Development Teams\r\n\r\nSpeaking of collaboration, a Product Engineer has to collaborate with the Product Development team to turn concepts into reality. Good communication skills are required here, as debates between departments can get heated.\r\n\r\nEnsure Manufacturing is up to Specifications and Safety Standards\r\n\r\nSafety is one of the Product Engineer\u2019s primary concerns. They must ensure product design meets any and all safety regulations, and that goes for the manufacturing process as well.\r\n\r\nProduct Engineer Skills\r\n\r\nIt is easy to assume that the role of Product Engineer is all about technical skills. While having a high degree of technical skill is important, being a Product Engineer also requires several soft skills. Product Engineers are almost always part of a team, so they may be able to thrive in a collaborative environment. Product Engineers also must be proficient multi-taskers to ensure all aspects of engineering a product are addressed. We analyzed several job descriptions to compile the following list of core skills required by most employers, as well as some advanced skills that will impress employers.\r\n\r\nCore Skills:\r\n\r\nThe following are core skills you should work on acquiring if you want to be a Product Engineer.\r\n\r\nArea of responsibility\r\n\r\n \tProduct engineers define the yield road map and drive the fulfillment during ramp-up and volume production,\r\n \tIdentify and realize measures for yield improvement, test optimization and product cost-ability methods,\r\n \tDefine qualification plan and perform feasibility analysis.\r\n \tProduct engineers are the technical interface between the component development team and the production side (Front End and Back End), especially after the development phase and qualifications when the high volume production is running.\r\n\r\nProduct engineers improve the product quality and secure the product reliability by balancing cost of test and test coverage that could impact the production fall-off. They support failure analysis request from customers.\r\n\r\nProduct Engineering Tools:\r\n\r\nA product engineer will use a wide range of tools and software, possibly including: 20\/20, AutoCad, CATIA, PTC Creo, Solidworks, Unigraphics, Labview, JMP, DataConductor.","headline":"What is Product Engineering &#8211; Role ,Duties ,Skills For Product Engineers","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-04-24","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/04\/sw-product-300x223.png","height":223,"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/steps-engineering-design-process-engineering-design/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/04/Steps-In-Engineering-Design-Process-Engineering-Design-300x222.png')"></div><span class="sr-only">link to Steps In Engineering Design Process &#8211; Engineering Design</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/steps-engineering-design-process-engineering-design/">Steps In Engineering Design Process &#8211; Engineering Design</a></p></header><div class="excerpt"><p>Steps In Engineering Design Process - Engineering Design
The engineering design process is a series of steps that guides engineering teams as we solve problems. The design process is iterative,...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/steps-engineering-design-process-engineering-design/" aria-label="View Post: Steps In Engineering Design Process &#8211; Engineering Design">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Steps In Engineering Design Process &#8211; Engineering Design","url":"\/\/www.gunkrazy.com\/steps-engineering-design-process-engineering-design\/","articleBody":"Steps In Engineering Design Process - Engineering Design\r\nThe engineering design process is a series of steps that guides engineering teams as we solve problems. The design process is iterative, meaning that we repeat the steps as many times as needed, making improvements along the way as we learn from failure and uncover new design possibilities to arrive at great solutions.\r\n\r\nThe engineering design process is a methodical series of steps that engineers use in creating functional products and processes. The process is highly iterative - parts of the process often need to be repeated many times before another can be entered - though the part(s) that get iterated and the number of such cycles in any given project may vary.\r\n\r\nRead also:\u00a0Introduction to machine Design | Types Of Machine Design\r\nThe steps of the engineering design process are to:\r\n\r\n \tDefine the Problem\r\n \tDo Background Research\r\n \tSpecify Requirements\r\n \tBrainstorm Solutions\r\n \tChoose the Best Solution\r\n \tDo Development Work\r\n \tBuild a Prototype\r\n \tTest and Redesign\r\n\r\n Steps In Engineering Design Process - Engineering Design\r\n\r\n1. Define the Problem. \r\n\r\nThe engineering design process starts when you ask the following questions about problems that you observe:\r\n\r\nWhat is the problem or need?\r\nWho has the problem or need?\r\nWhy is it important to solve?\r\n\r\n2.\u00a0 Do Background Research: \r\n\r\nLearn from the experiences of others \u2014 this can help you find out about existing solutions to similar problems, and avoid mistakes that were made in the past. So, for an engineering design project, do background research in two major areas:\r\n\r\n \tUsers or customers\r\n \tExisting solutions\r\n\r\n3.\u00a0Specify Requirements:\r\n\r\n Design requirements state the important characteristics that your solution must meet to succeed. One of the best ways to identify the design requirements for your solution is to analyze the concrete example of a similar, existing product, noting each of its key features.\r\n\r\n4.\u00a0Brainstorm Solutions:\r\n\r\nThere are always many good possibilities for solving design problems. If you focus on just one before looking at the alternatives, it is almost certain that you are overlooking a better solution. Good designers try to generate as many possible solutions as they can.\r\n\r\n5.\u00a0Choose the Best Solution:\r\n\r\n Look at whether each possible solution meets your design requirements. Some solutions probably meet more requirements than others. Reject solutions that do not meet the requirements.\r\n\r\n6. Develop the Solution: \r\n\r\nDevelopment involves the refinement and improvement of a solution, and it continues throughout the design process, often even after a product ships to customers.\r\n\r\n7. Build a Prototype: \r\n\r\nA prototype is an operating version of a solution. Often it is made with different materials than the final version, and generally it is not as polished. Prototypes are a key step in the development of a final solution, allowing the designer to test how the solution will work.\r\n\r\n8. Test and Redesign: \r\n\r\nThe design process involves multiple iterations and redesigns of your final solution. You will likely test your solution, find new problems, make changes, and test new solutions before settling on a final design.\r\n\r\n9. Communicate Results: \r\n\r\nTo complete your project, communicate your results to others in a final report and\/or a display board. Professional engineers always do the same, thoroughly documenting their solutions so that they can be manufactured and supported.","headline":"Steps In Engineering Design Process &#8211; Engineering Design","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-04-23","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/04\/Steps-In-Engineering-Design-Process-Engineering-Design-300x222.png","height":222,"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/engine-seized-happens-engine-gets-seized/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/04/Engine-Seized-What-happens-when-an-engine-gets-seized-300x223.jpg')"></div><span class="sr-only">link to Engine Seized -What happens when an engine gets seized</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/engine-seized-happens-engine-gets-seized/">Engine Seized -What happens when an engine gets seized</a></p></header><div class="excerpt"><p>Engine Seized - What happens when an engine gets seized
Normally when an engine is "seized up" it is frozen to the point that the crankshaft will not turn in the bearings. This is caused by heat...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/engine-seized-happens-engine-gets-seized/" aria-label="View Post: Engine Seized -What happens when an engine gets seized">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Engine Seized -What happens when an engine gets seized","url":"\/\/www.gunkrazy.com\/engine-seized-happens-engine-gets-seized\/","articleBody":"Engine Seized - What happens when an engine gets seized\r\nNormally when an engine is \"seized up\" it is frozen to the point that the crankshaft will not turn in the bearings. This is caused by heat most times the car has been run low or out of oil. The parts that have seized or melted together could be main or rod bearings, piston rings etc. If the engine will not turn over by hand it probably time for a complete rebuild or a new engine.\r\n\r\nGenerally, there is a thin layer of oil between the piston and the inside wall of the cylinder for lubrication purposes. When this dries out, the bearings\u201dspin\u201d. This causes Engine Seizure.\r\n\r\nAnother likely reason for engine seizures are due to driving through water which leads to \"Hydrostatic lock\". In this situation, water enters the space between the piston and the cylinder, and since fluids are \u201cincompressible\u201d in nature, the piston while trying to compress water either leads to bent con rods, sheared cylinder heads, blown crank cases or even bent broken crank shafts. Depending on the damage magnitude it is decided whether original block and cylinder head will work or not. If its a crack, blown case engine needs to be replaced, if only con rod has bent then you can do away with only sets of new con rod, pistons and bearings but of course, crank shaft conditions and cylinder head and crank case planes need to be checked for perfect alignment before repairing.\r\n\r\n Engine Seized -What happens when an engine gets seized\r\nWhat happens when an engine gets seized\r\nWhat is Scoring :\u00a0\r\n\r\nTo understand what is seizure and what causes it ,one must first understand what is scoring. Between the piston and the cylinder walls there is always a presence of oil film(lubricating oil) that avoids the metal to metal contact.Now consider a situation when an oil film is temporarily missing. This causes a metal to metal contact and a scraping sort of action takes place.Now this causes little lining indents in the cylinder walls.The problem is not a performance robber until the oil film is resumed shortly.The above is a condition called scoring.\r\n\r\nNow consider the same situation only difference being the oil lubrication does not resume and this scraping continues for some time.After only a few strokes the piston and the cylinder wall start to draw material from each other.Imagine this metal drawn as a small ball which continues to grow with every continuing stroke.Then there is a time when it is significantly large enough to push the piston the other side generating large pressure on the opposite side of the wall where scoring initally took place till scoring starts at the other end of the piston as well.Now all this happens when your engine is running at its normal speeds.The final blow happens when this molten aluminium iron mix of ball accumulated due to metal drawn from piston and cylinder wall finds its way to cylinder ring and accumulates there.This is what causes seizure and the crankshaft motion is stopped.\r\n\r\nThere could be many reasons why seizure can take place.Some being improper lubrication or dirt logging in the lubrication system. Other could be improper clearance between the piston and the cylinder walls.Some other reasons could also include improper heat dissipation from the cylinder and piston walls causing them to expand and change clearances.","headline":"Engine Seized -What happens when an engine gets seized","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-04-23","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/04\/Engine-Seized-What-happens-when-an-engine-gets-seized-300x223.jpg","height":223,"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/shot-blasting-shot-blasting-machine-types/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/04/sand-blasting-pocess-300x195.jpg')"></div><span class="sr-only">link to What Is Shot Blasting &#8211; Shot Blasting machine types</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/shot-blasting-shot-blasting-machine-types/">What Is Shot Blasting &#8211; Shot Blasting machine types</a></p></header><div class="excerpt"><p>What Is Shot Blasting - Shot Blasting machine types
Introduction to Shot Blasting
Shot Blasting is a surface treatment process using high velocity steel abrasive. Shot blasting is method through...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/shot-blasting-shot-blasting-machine-types/" aria-label="View Post: What Is Shot Blasting &#8211; Shot Blasting machine types">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"What Is Shot Blasting &#8211; Shot Blasting machine types","url":"\/\/www.gunkrazy.com\/shot-blasting-shot-blasting-machine-types\/","articleBody":"What Is Shot Blasting - Shot Blasting machine types\r\nIntroduction to Shot Blasting\r\nShot Blasting is a surface treatment process using high velocity steel abrasive. Shot blasting is method through which it is possible to obtain excellent cleaning and surface preparation for secondary finishing operations.\r\n\r\nShot blasting is commonly used for:\r\n\r\n \tThe cleaning of iron, steel, non-cast parts, forgings, etc.\r\n \tMechanical cleaning of sheets, rods, coils, wire, etc.\r\n \tShot peening to alter mechanical properties (increasing resistance to fatigue for springs, gears, etc.)\r\n \tPreparing surfaces to be painted, coated, etc.\r\n\r\nIn general shot blasting concentrates abrasive particles at high speed (65-110 m\/second) in a controlled manner at the material thereby removing surface contaminates due to the abrasive impact.\r\n\r\nInitially in the 1930\u2019s the shotblasting process used compressed air for propelling the steel shot. This method remains in use today for cleaning metal frames and weldments.\r\n\r\nblast production lines, both manual and automated systems, became possible with the introduction of centrifugal wheel blast machines. The system of shot blasting by centrifugal wheel is more productive than by compressed air and achieves a better more uniform surface finish.\r\n\r\nThe criteria used for selecting the type of shot blasting system depends on the size and shape of the parts, the condition of the surface to be cleaned, final surface finish specification and overall process required.\r\n\r\nRead Also:\u00a0Seminar | Shot Peening Full report and PPT Download\r\nShot blasting Machine feature \/parts Includes :\u00a0\r\n1. Abrasive delivery method:\r\n\r\n \tBy Compressed Air.\r\n \tBy Centrifugal turbines.\r\n\r\n2. Abrasive recovery and cleaning.\r\n3. Dust collection.\r\n4. Blast Cabinet.\r\n5. Part movement and support system.\r\n6. Controls and instrumentation.\r\n\r\n1 . Abrasive delivery method:\r\n\r\nThere are two ways of accelerating the steel shot:\r\nBy compressed air:\r\nThis system is suitable for lower production applications where maximum flexibility is needed.\r\nThese systems are very flexible in that the shot can be delivered horizontally through a rubber hose and nozzle assembly. This enables uses in finishing operations of steel frames and weldments thereby replacing hand tools. Because of this, an air blasting machine for a production line is expensive compared to the centrifugal wheel blasting machine.\r\n\r\nsand blasting process\r\n\r\n \tBy centrifugal turbine:\r\nCentrifugal wheel blasting is the more common blast cleaning technique as well as the most economical and environmentally friendly method.\r\n \tThe turbine delivers abrasive shot by centrifugal force in a specific and controlled direction, speed and quantity.\r\n \tFunction of the turbine is similar to that of a fan or centrifugal pump. Shot blasting machines may use one or a multitude of turbines positioned in such a way that the abrasive blast pattern covers the entire surface of the material to be shot cleaned.\r\n \tThe shape and size of the parts determine the number of turbines used in a machine. Power of the turbine motor is based on degree of cleaning needed and throughout speed of the material.\r\n\r\nShot Blasting: Types of Shot Used\r\n\r\nWhile shot blasting primarily refers to blasting the surface with small steel pellets or shots, many other types of shot blast materials are also used. Here we will take a look at some of the commonly used shots \u2013\r\n\r\n \tSteel Shots \u2013 Here, small steel balls of diameter 1 to 6 mm are fired at high speed against the surface being prepared. The size of the balls determines the finishing achieved. Smaller steel shots are used for more polished surface, while larger ones lead to a rougher finish.\r\n \tChilled Iron Grit \u2013 These are angular, abrasive material used for general blast cleaning, i.e., for removing oxides and paints from ferrous castings and carbon steel. However, blasting with chilled iron grit is quite aggressive and therefore not suitable for softer metals like aluminium.\r\n \tSteel Grit \u2013 Blasting with steel grit is used for jobs where aggressive cleaning is required, such as for removing contaminants from steel or any other metal.\r\n\r\n2. Abrasive Recovery and cleaning system.\r\nRecirculation and cleaning the abrasive shot is required to maintain a consistent cleaning operation. In conventional shot blasting equipment after the shot hits the part the abrasive falls into the collection hopper under the machine.\r\nThe shot is then carried by gravity or screw conveyor to a bucket elevator. The elevator carries the shot, removed oxides and other contaminates to an air wash separator located in the upper portion of the machine. A combination of baffles, strainers and plates separate these contaminates which are ineffective during the shot blast operation. The cleaned abrasive is contained in an upper hopper (feeding-box) and is subsequently fed into the shot turbine by gravity.\r\n\r\n3. Dust Collection\u00a0\r\n\r\nThe machine cabinet contains dust and abrasive. A machine mounted dust collector, reduces air pressure inside the machine thereby preventing dust from escaping into the shop environment. Material access openings in the entrance and exit of the shot blaster must be designed and protected to prevent abrasive spillage.\r\n\r\n4. Dust collector system\r\n\r\nDust produced during shot blasting is withdrawn from the machinery cabinet and continuously recirculating abrasive by a dust collector. Typical dust collector design uses baffle filters or cartridges.\r\nThe dust collector not only evacuates dust within the machine but also keeps the surrounding area clean and dust free. Changes in airflow will reduce collector efficiency and therefore result in lower dust extraction, loss of the cleaning power, and contribute to dust in the immediate production area. A properly designed and sized dust collector is therefore critical to the ongoing performance of the shot blasting System.\r\n\r\n5. System for holding and transporting parts for shot blasting\r\n\r\nHandling and transporting parts through the shot blast process will depend on several factors.\r\n\r\nFor materials in large quantities (brake, pulleys, screwdrivers, etc.) tumblast machines are used. For larger and heavier pieces, (motor blocks, bicycles frames, bunch-welded parts, etc.) spinner hanger machines are used.\r\n\r\nFor the shot peening of gears and other special components, tables and multi tables machines are used.","headline":"What Is Shot Blasting &#8211; Shot Blasting machine types","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-04-20","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/04\/sand-blasting-pocess-300x195.jpg","height":195,"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/types-of-hvac-systems-advantages/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2018/04/split-air-conditioner-Diagram-284x300.jpg')"></div><span class="sr-only">link to Types Of HVAC Systems and Their Advantages</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/types-of-hvac-systems-advantages/">Types Of HVAC Systems and Their Advantages</a></p></header><div class="excerpt"><p>Types Of HVAC Systems and Their Advantages
HVAC is short form for Heating, Ventilation and Air Conditioning. The sole purpose of Hvac systems is to make the indoor climate comfortable. Currently...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/types-of-hvac-systems-advantages/" aria-label="View Post: Types Of HVAC Systems and Their Advantages">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Types Of HVAC Systems and Their Advantages","url":"\/\/www.gunkrazy.com\/types-of-hvac-systems-advantages\/","articleBody":"Types Of HVAC Systems and Their Advantages\r\nHVAC is short form for Heating, Ventilation and Air Conditioning. The sole purpose of Hvac systems is to make the indoor climate comfortable. Currently there are 7 different types of Hvac systems available. These 7 types of HVAC systems come in different sizes and specifications to suit your requirement\r\nThe\u00a0HVAC systems\u00a0can be broadly divided into seven categories depending on its sizes and specifications.\r\n1. THE SPLIT HVAC :\r\nWhat is it?\r\nWell, you will find the components of this HVAC unit situated on both inside and outside of the building. It comprises of air conditioning unit, ducts, thermostat, and the evaporator coils. The optional components are like humidifiers, UV lamps, and the air cleaners.\r\n\r\n\r\n split air conditioner Diagram\r\n\r\n Advantages-\r\na)\u00a0This will give you the best and effective cooling and heating.\r\n b)\u00a0This can be easily installed.\r\n c)\u00a0This can be operated in a hassle-free way.\r\n d)\u00a0This can cool down and heat up your room very easily.\r\n2. THE HYBRID SYSTEM :-\r\nWhat is it?\r\nIf you want an alternative for energy-efficiency, then this can be an option. This system works the same as a gas furnace when fitted with a heat pump. It comprises of the heat pump, evaporator coils, refrigerant, and furnaces. This helps in controlling the entire system.\r\n\r\nAdvantages-\r\na)\u00a0Hybrid systems are important when you require enormous heating in the winter season.\r\n b)\u00a0This system will warm up your room and not add much to your utility bills.\r\n3. DUCT-FREE SPLIT SYSTEM :\r\nWhat is it?\r\nThis system will provide you good installations for the areas which are unable to accommodate the conventional systems with ducts. The components included in this duct-free system are an\u00a0air conditioner, a heat pump, a control panel completed with the thermostat and wires, tubing, a fan coil which is compact.\r\n\r\n Advantages-\r\na)\u00a0You will need this system for warming up and cooling down various areas of your home continuously.\r\n b)\u00a0This will provide you with the utility rebates and tax credits for installing a duct-free system.\r\n c)\u00a0This is a cost-saving system.\r\n4. PACKAGED HEATING AND AIR CONDITIONING SYSTEM :\r\nWhat is it?\r\nThe packaged system units are widely used in the confined spaces which include all the rooms throughout the house. It comprises of a heat pump\/air conditioner with a fan coil\/evaporator, and a control system supplied with a thermostat.\r\n\r\n\r\n PACKAGED HEATING AND AIR CONDITIONING SYSTEM\r\n\r\n Advantages-\r\na)\u00a0Here you will get the heater and the air conditioner rolled into one. This will result in saving your money and space.\r\n b)\u00a0This comes as a savior for the people who stay in an area that is prone to extreme climatic conditions.\r\n5. THE WINDOW AC SYSTEM :\r\nWhat is it?\r\nJust like the name suggests, this window ac system is installed in your windows. They can only cool down small areas and are unable to cool large areas or multiple rooms.\r\n\r\n windows air conditioning system\r\n\r\n\r\nAdvantages-\r\na)\u00a0The window ac can provide you with both\u00a0heating and cooling.\r\nb)\u00a0The optional damper which is present in the unit can provide fresh air when needed.\r\n6. THE HEAT PUMP -\r\nWhat is it?\r\nThe heat pumps are quite similar to the cooling only systems. There is a special valve present inside the refrigeration piping that helps and allows the refrigeration cycle to operate in a reverse manner. In the colder days, these heat pumps need defrosting. During this time, the only way of heating the interior is the electric heater. They are manufactured in either packaged or split system.\r\n\r\n heat pump hvac system\r\n\r\n Advantages-\r\na)\u00a0The heat pumps help in cooling the indoor air and with the reversal of the valve, your room gets heated.\r\n7. THE CHILLED WATER SYSTEM :\r\n\r\n What is it?\r\nHere in this system, the liquid water is pumped throughout the building. And as the liquid water needs to be at a cool temperature, a cool plant is also needed. This is called a chiller plant. The chilled water systems are sealed and do not require any chemical treatment for controlling contamination or erosion.\r\n\r\n\r\n chilled water cooling air conditioning hvac system\r\n Advantages-\r\na)\u00a0They are helpful for the large commercial buildings and are very cost-effective.\r\n b)\u00a0They work with the help of pumping the cool water throughout the building.\r\n c)\u00a0They are non-corrosive and have specific heat value.\r\n d)\u00a0They are also non-toxic and are priced low.","headline":"Types Of HVAC Systems and Their Advantages","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2018-04-19","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2018\/04\/split-air-conditioner-Diagram-284x300.jpg","height":300,"width":284},"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=193">&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=192"><span class="screen-reader-text">Page </span>192</a> <a class="page-numbers" href="?page_num=193"><span class="screen-reader-text">Page </span>193</a> <span aria-current="page" class="page-numbers current"><span class="screen-reader-text">Page </span>194</span> <a class="page-numbers" href="?page_num=195"><span class="screen-reader-text">Page </span>195</a> <a class="page-numbers" href="?page_num=196"><span class="screen-reader-text">Page </span>196</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=195">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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