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What is Reverse Engineering ? 
Forward Engineering Vs Reverse Engineering .  Engineering is the profession involved in designing, manufacturing,...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/reverse-engineering-reverse-engineering-tools/" aria-label="View Post: Reverse Engineering &#8211; Reverse Engineering Tools">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Reverse Engineering &#8211; Reverse Engineering Tools","url":"\/\/www.gunkrazy.com\/reverse-engineering-reverse-engineering-tools\/","articleBody":"Reverse Engineering - Reverse Engineering Tools\r\nWhat is Reverse Engineering ?\u00a0\r\nForward Engineering Vs Reverse Engineering .\r\n\r\nEngineering is the profession involved in designing, manufacturing, and maintaining products, systems, and structures. The whole engineering process can be broadly classified in two groups; forward engineering and reverse engineering.\r\n\r\nForward engineering is the traditional process of moving from high-level abstractions and logical designs to the physical implementation of a system.\r\n\r\nDefinition Of Reverse Engineering .\u00a0\r\n\r\nThe process of duplicating an existing component, subassembly, or product, without the aid of drawings, documentation, or computer model is known as reverse engineering.\r\n\r\nForward vs Reverse Engineering\r\n\r\nReverse engineering can be mainly viewed as the process of analyzing a system to identify its components and their interrelationships, to create representations of it in another form or a higher level of abstraction. An important reason for application of reverse engineering is reduction of product development times. In the intensely competitive global market, manufacturers are constantly seeking new ways to shorten lead-times to market a new product. For example, injection-molding companies must drastically reduce the tool and die development times. By using reverse engineering, a three-dimensional product or model can be quickly captured in digital form, re-modeled, and exported for rapid prototyping\/tooling or rapid manufacturing.\r\n\r\nSome of the important reasons for the for reverse engineering of a product or part are;\r\n\r\n \tThe original manufacturer of a product no longer produces a product.\r\n \tThere is inadequate documentation of the original design.\r\n \tThe original manufacturer no longer exists, but a customer needs the product.\r\n \tThe original design documentation has been lost or never existed.\r\n \tSome bad features of a product need to be designed out. For example, excessive wear might indicate where a product should be improved.\r\n \tTo strengthen the good features of a product based on long-term usage of the product.\r\n \tTo analyze the good and bad features of competitors' product.\r\n \tTo explore new avenues to improve product performance and features.\r\n \tTo gain competitive benchmarking methods to understand competitor's products and develop better products.\r\n \tThe original CAD model is not sufficient to support modifications or current manufacturing methods.\r\n \tTo update obsolete materials or antiquated manufacturing processes with more current, less-expensive technologies.\r\n\r\nReverse Engineering Process\r\n\r\na. Prediction\r\n\r\n \tWhat is the purpose of this product?\r\n \tHow does it work?\r\n \tWhat market was it designed to appeal to?\r\n \tList some of the design objectives for the product.\r\n \tList some of the constraints that may have influenced the design.\r\n\r\nb. Observation\r\n\r\n \tHow do you think it works?\r\n \tHow does it meet design objectives (overall)?\r\n \tWhy is it designed the way it is?\r\n\r\nc. Disassemble\r\n\r\n \tHow does it work?\r\n \tHow is it made?\r\n \tHow many parts?\r\n \tHow many moving parts?\r\n \tAny surprises?\r\n\r\nd. Analyze\r\n\r\nCarefully examine and analyze subsystems (i.e. structural, mechanical, and electrical) and develop annotated sketches that include measurements and notes on components, system design, safety, and controls.\r\n\r\ne. Test\r\n\r\n \tCarefully reassemble the product.\r\n \tOperate the device and record observations about its performance in terms of functionality (operational and ergonomic) and projected durability.\r\n\r\nf. Documentation\r\n\r\n \tInferred design goals\r\n \tInferred constraints\r\n \tDesign (functionality, form (geometry), and materials)\r\n \tSchematic diagrams\r\n \tLists (materials, components, critical components, flaws, successes, etc.)\r\n \tIdentify any refinements that might enhance the product\u2019s usefulness.\r\n \tUpgrades and changes\r\n\r\n Reverse Engineering Tools\r\n\r\n \tAngr-\u00a0A binary analysis framework focusing on both static and dynamic symbolic analysis.\r\n \tApktool-\u00a0A tool for reverse engineering Android apk files.\r\n \tBinNavi - A tool to assist vulnerability researchers who look for vulnerabilities in disassembled code.\r\n \tBinwalk-\u00a0A tool for analyzing and extracting firmware images.\r\n \tCapstone -\u00a0A lightweight multi-platform, multi-architecture disassembly framework.\r\n \tdex2jar-\u00a0\u00a0Tools to work with android .dex and java .class files.\r\n \tdotPeek-\u00a0A tool to decompile .NET assembly.\r\n \tFrida-\u00a0A JavaScript injector to explore native applications on Windows, Mac, Linux, iOS and Android.\r\n \tILSpy -A tool to browse and decompile .NET assembly to intermediate language.\r\n \tJava Decompiler-\u00a0A tool to decompile and analyze Java byte code.\r\n \tMiasm- A reverse engineering framework in Python.\r\n \tPin-\u00a0A dynamic binary instrumentation framework.\r\n \tQEMU-A generic and open source machine emulator and virtualizer.\r\n \tRadare-\u00a0A portable reversing framework.\r\n \tSnowman-\u00a0A tool to decompile native code to C\/C++.","headline":"Reverse Engineering &#8211; Reverse Engineering Tools","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2017-12-31","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2017\/12\/forward-vs-reverse-engineering-300x127.jpg","height":127,"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/advantages-disadvantages-just-time-jit-manufacturing/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2017/12/jit-300x197.jpg')"></div><span class="sr-only">link to Advantages and Disadvantages of Just-in-Time (JIT) Manufacturing</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/advantages-disadvantages-just-time-jit-manufacturing/">Advantages and Disadvantages of Just-in-Time (JIT) Manufacturing</a></p></header><div class="excerpt"><p>Advantages and Disadvantages of Just-in-Time (JIT) Manufacturing
Traditionally manufacturers have forecasted demand for their products into the future and then have attempted to smooth out...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/advantages-disadvantages-just-time-jit-manufacturing/" aria-label="View Post: Advantages and Disadvantages of Just-in-Time (JIT) Manufacturing">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Advantages and Disadvantages of Just-in-Time (JIT) Manufacturing","url":"\/\/www.gunkrazy.com\/advantages-disadvantages-just-time-jit-manufacturing\/","articleBody":"Advantages and Disadvantages of Just-in-Time (JIT) Manufacturing\r\nTraditionally manufacturers have forecasted demand for their products into the future and then have attempted to smooth out production to meet that forecasted demand. At the same time, they have also attempted to keep everyone as busy as possible producing output so as to maximize \u201cefficiency\u201d and (hopefully) reduce costs. Unfortunately, this approach has a number of major drawbacks including large inventories, long production times, high defect rates, production obsolescence, inability to meet delivery schedules, and (ironically) high costs. Non of this is obvious -if it were, companies would long ago have abandoned this approach.\r\n\r\nJIT is a production and inventory control system in which materials are purchased and units are produced only as needed to meet actual customer demand. In just in time manufacturing system inventories are reduced to the minimum and in some cases they are zero.\r\n\r\nJIT works in the three types of inventories:\r\n\r\na) Raw materials: inventories provide insurance in case suppliers are late with deliveries.\r\n\r\nb) Work in process: inventories are maintained in case a work station is unable to operate due to a breakdown or other reason.\r\n\r\nc) Finished goods: inventories are maintained to accommodate unanticipated fluctuations in demand.\r\n\r\njust in time\r\n\r\nJust in Time Advantages\u00a0\r\n\r\n \tRight quantity at right time\u00a0 \r\n \tHigher quality-\u00a0the removal of large batch manufacturing and reduction in handling often results in significant quality improvements; often in the region of 25% or more.\r\n \tImprove customer service \r\n \tMinimal inventory and waste- one of the main aims with any JIT implementation is to improve stock turns and the amount of stock being held. Personal experience has seen reductions of more than 90% stock in some industries. Along with the reduction in the stock come many other associated benefits.\r\n \tReduced space requirements-by removing large amounts of stock from the system and moving processes closer together we will often see a significant reduction in the amount of floor space being used. Results from 100\u2019s of projects run within companies in the UK through the Manufacturing Advisory Service saw average reductions of 33% for simple 5 day implementation projects.\r\n \tReduced lead time-\u00a0one of the most significantly impacted areas is that of the time it takes for products to flow through the process. Instead of weeks or months most JIT implementations result in lead times of hours or a few days.\r\n \tIncrease equipment utilization\r\n \t Simplicity-\u00a0\u00a0the use of simple pull systems such as Kanban, even with your suppliers, can significantly reduce the need for any form of complex planning. With many implementations the only planning is the final shipping process.\r\n \tMore workforce participation-\u00a0one requirement of JIT as with most other aspects of Lean manufacturing is that employees are heavily involved in the design and application of your system.\r\n\r\n \tContinuous improvement \r\n \tBetter problem solving \r\n \tReduce costs\r\n\r\nJust in Time Limitation\r\n\r\n \tRequires high degree of delegation\r\n \tRequires change in philosophy and culture \r\n \tVulnerability in breakdown\r\n \tWork only in regular products\u00a0\r\n \t Requires highly reliable n flexible suppliers\r\n \tRequires a super coordination between workforce and managers","headline":"Advantages and Disadvantages of Just-in-Time (JIT) Manufacturing","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2017-12-30","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2017\/12\/jit-300x197.jpg","height":197,"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/lean-manufacturing-definition-lean-manufacturing-principles/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2017/12/lean-manufacturing-principle-300x274.jpg')"></div><span class="sr-only">link to Lean Manufacturing Definition-Lean Manufacturing Principles</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/lean-manufacturing-definition-lean-manufacturing-principles/">Lean Manufacturing Definition-Lean Manufacturing Principles</a></p></header><div class="excerpt"><p>Lean Manufacturing Definition-Lean Manufacturing Principles
Lean Manufacturing Definition: 
Lean manufacturing is defined as a systematic approach to identifying and eliminating waste through...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/lean-manufacturing-definition-lean-manufacturing-principles/" aria-label="View Post: Lean Manufacturing Definition-Lean Manufacturing Principles">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Lean Manufacturing Definition-Lean Manufacturing Principles","url":"\/\/www.gunkrazy.com\/lean-manufacturing-definition-lean-manufacturing-principles\/","articleBody":"Lean Manufacturing Definition-Lean Manufacturing Principles\r\nLean Manufacturing Definition:\u00a0\r\nLean manufacturing is defined as a systematic approach to identifying and eliminating waste through continuous improvement, flowing the product at the pull of the customer in pursuit of perfection.\r\n\r\nSo what is waste? Waste is defined as any activity that does not add value from the customer\u2019s perspective. According to research conducted by the Lean Enterprise Research Centre (LERC), fully 60% of production activities in a typical manufacturing operation are waste \u2013 they add no value at all for the customer.\r\nThese types of waste are categorized as:\r\nMuda: Additional activity during manufacturing that\u2019s not needed\r\nMuri: Waste created from overburden in manufacturing processes\r\nMura: Waste created from unevenness in the manufacturing process\r\n\r\nLean manufacturing is a performance-based process used in manufacturing organizations to increase competitive advantage. The basics of lean manufacturing employ continuous improvement processes to focus on the elimination of waste or non value added steps within an organization. The challenge to organizations utilizing lean manufacturing is to create a culture that will create and sustain long-term commitment from top management through the entire workforce.\r\n\r\nGOAL OF LEAN MANUFACTURING:\r\n1.Cost Reduction by Elimination of Waste\r\n 2.Creating Conditions to Guarantee Product Quality\r\n 3.Quality First\r\n 4.Ensuring Quality of all Products\r\n 5.Building In Quality at Each Process\r\n 6.Inspection Work\r\n 7.The Added Value of Repairs\r\n 8.Awareness of Waste\r\n 9. Customer Satisfaction.\r\n\r\nlean manufacturing terms\r\nLean Manufacturing Principles\r\nLean manufacturing techniques are based on the application of five principles to guide management\u2019s actions toward success:\r\n\r\n 1. Value: The foundation for the value stream that defines what the customer is willing to pay for. The first step is to recognize what does and does not create value from the customer\u2019s perspective. Any material, process or feature which is not required for creating value from the customer\u2019s perspective is waste and should be eliminated. For example, transporting materials between workstations is waste because it can potentially be eliminated.\r\n\r\n2. The Value Stream : The mapping and identifying of all the specific actions required to eliminate the non-value activities from design concept to customer usage.Lean requires an the implementation of very detailed production guidelines, called Standard Work, which clearly state the content, sequence, timing and outcome of all actions by workers. This eliminates variation in the way that workers perform their tasks.\r\n\r\n3. Continuous Flow: The elimination of all process stoppages to make the value stream \u201cflow\u201d without interruptions. Lean usually aims for the implementation of a continuous production flow free of bottlenecks, interruption, detours, backflows or waiting. When this is successfully implemented, the production cycle time can be reduced by as much as 90%.\r\n\r\n4. Pull Production: The ability to streamline products and processes from concept through customer usage.Also called Just-in-Time (JIT), Pull-production aims to produce only what is needed, when it is needed. Production is pulled by the downstream workstation so that each workstation should only produce what is requested by the next workstation.\r\n\r\n5.Perfection : The ability to advocate doing things right the first time through the application of continuous improvement efforts.Lean aims for defects to be eliminated at the source and for quality inspection to be done by the workers as part of the in-line production process.","headline":"Lean Manufacturing Definition-Lean Manufacturing Principles","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2017-12-30","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2017\/12\/lean-manufacturing-principle-300x274.jpg","height":274,"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/fusion-360-vs-solidworks-difference-fusion-360-solidworks/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2017/12/autodesk-fusion-360-vs-solidworks-difference-between-fusion-360-vs-solidwokrs-min-min-300x168.png')"></div><span class="sr-only">link to Fusion 360 Vs Solidworks- Difference Between Fusion 360 and Solidworks</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/fusion-360-vs-solidworks-difference-fusion-360-solidworks/">Fusion 360 Vs Solidworks- Difference Between Fusion 360 and Solidworks</a></p></header><div class="excerpt"><p>Fusion 360 Vs Solidworks- Difference Between Fusion 360 and Solidworks
WHAT IS FUSION 360?
Fusion 360 is a cloud-based parametric solid-modeler that offers features to get you from idea to...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/fusion-360-vs-solidworks-difference-fusion-360-solidworks/" aria-label="View Post: Fusion 360 Vs Solidworks- Difference Between Fusion 360 and Solidworks">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Fusion 360 Vs Solidworks- Difference Between Fusion 360 and Solidworks","url":"\/\/www.gunkrazy.com\/fusion-360-vs-solidworks-difference-fusion-360-solidworks\/","articleBody":"Fusion 360 Vs Solidworks- Difference Between Fusion 360 and Solidworks\r\nWHAT IS FUSION 360?\r\nFusion 360 is a cloud-based parametric solid-modeler that offers features to get you from idea to prototype in one single environment. Below, you'll find the different modes and what they're used for.\r\nModel - Parametric Solid Modeling\r\nPatch - Surface Modeling\r\nRender - Real-time Ray Tracing\r\nAnimation - Timeline &amp; Animations\r\nSimulation - Validate &amp; Optimize Designs\r\nCAM - Manufacturing\r\n\r\nFusion 360 is free for hobbyists. For the vast majority of needs, this tool is sufficient. It runs on Windows and Mac.\r\n\r\nLaser cutting: You can draw a sketch and directly save it in DXF to make a laser cut.\r\n3D printing: After drawing your 3D part, it is possible to export it in STL to print the piece in 3D.\r\nCAM: Fusion 360 contains a CAM mode that is powerful and free. It is possible to set the movements of the milling machine directly on its 3D model and see a simulation of the cutting (we see the miller's head making its movements).\r\nSculpt mode: This is a mode that is between CAD and CAD (design-oriented), but with the advantages of being able to switch from one to the other. This mode allows you to draw design pieces by pulling on surfaces to give them the desired shape.\r\nAssembly: If your project contains multiple parts, you can assemble them directly into Fusion 360. It is possible to create fixed assemblies, but also add degrees of freedom, so you can see the movement of your parts virtually.\r\nWhat Is Solidworks ?\r\nSolidWorks is a solid modeling computer-aided design (CAD) and computer-aided engineering (CAE) computer program that runs on Microsoft Windows. SolidWorks is published by Dassault Syst\u00e8mes.\r\n\r\nSolidWorks currently markets several versions of the SolidWorks CAD software in addition to eDrawings, a collaboration tool, and DraftSight, a 2D CAD product.\r\n\r\nautodesk fusion 360 vs solidworks- difference between fusion 360 vs solidwokrs\r\nFusion 360 Vs Solidworks- Difference Between Fusion 360 and Solidworks\r\n\n\n\n\n\tFusion 360 Solidworks\n\n\n\n\n\tFusion 360 is a cloud-based parametric solid-modeler that offers features to get you from idea to prototype in one single environment.SolidWorks is a solid modeling computer-aided design (CAD) and computer-aided engineering (CAE) computer program that runs on Microsoft Windows. SolidWorks is published by Dassault Syst\u00e8mes.\n\n\n\tModeling functionality only. No current sheetmetal and weldmate specific features.Sheet metal and weldmate mode makes design of sheetmetal parts easy and mostly intuitive. \n\n\n\tFusion surfacing is very nice. This is the primary reason I use fusion. It makes surfacing work a lot faster and more intuitive. Solidworks surfacing is a nightmare. It often takes a lot of trial and error to get the desired results. \n\n\n\t3D sketching is possible, but it's finnicky at besty and difficult to use. Seems to rely on pre-existing geometry. Solidworks has mature and useful 3D sketching tools. \n\n\n\tHole wizard is ok in Fusion. It takes 2 features, one to make a hole, and another to specify the hole with threads and bores. Would be easier with a 1 step process.Comprehensive options for holes of any variety and purpose. Relatively easy to use. \n\n\n\tThe built in CAM seems well rounded and is continually being improved. Solidworks can only have this functionality with an expensive add on. \n\n\n\tFusion has 4 pattern tools available. Rectangular, Circle, Mirror, Path. They work fine. Solidworks has 8 different pattern tools available. Linear, Circular, Mirror, Path, Sketch, Table, Fill, Variable. They all work well.\n\n\n\tChain -belt Pattern-Fusion requires you to build a pattern from all instances. Analogous function is not presentChain Pattern- This is a fantastic feature for chains and mechanical belts. \n\n\n\tFusion is less Costly Solidwork is little more costly than Fusion 360\n\n\n\tFusions simulation tools are much easier to use and faster to get results. They possibly may not be as accurate, but I prefer the ease of use. Solidworks simulation tools are only fully available in the premium versions of the products. They are difficult to use and can be frustrating to someone who doesn't often use simulation.\n\n\n\tIn case of Constructional Geometry, Fusions options are a bit more limited, but still useful.Solidworks makes it easy to create construction geometry where and how you need it.","headline":"Fusion 360 Vs Solidworks- Difference Between Fusion 360 and Solidworks","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2017-12-28","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2017\/12\/autodesk-fusion-360-vs-solidworks-difference-between-fusion-360-vs-solidwokrs-min-min-300x168.png","height":168,"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/pressure-control-valve-types-symbol-application/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2017/12/pressure-control-valves-overview-300x201.jpg')"></div><span class="sr-only">link to Pressure Control Valve- Types , Symbol ,Application</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/pressure-control-valve-types-symbol-application/">Pressure Control Valve- Types , Symbol ,Application</a></p></header><div class="excerpt"><p>Pressure Control Valve- Types , Symbol ,Application
Introduction to Pressure Control Valve: 
Hydraulic energy is produced as long as the prime mover (usually an electric motor) drives the pump,...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/pressure-control-valve-types-symbol-application/" aria-label="View Post: Pressure Control Valve- Types , Symbol ,Application">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Pressure Control Valve- Types , Symbol ,Application","url":"\/\/www.gunkrazy.com\/pressure-control-valve-types-symbol-application\/","articleBody":"Pressure Control Valve- Types , Symbol ,Application\r\nIntroduction to Pressure Control Valve:\u00a0\r\nHydraulic energy is produced as long as the prime mover (usually an electric motor) drives the pump, and hydraulic pressure develops by resistance to pump flow.Hence, the hydraulic system suffers damage if the pump flow is not stopped or off loaded (recirculate) back to the tank during non-action periods of the circuit.Non-action periods arise from stalling an actuator, or by reaching the end of the stroke or the circuit sequence, or during the time-delay periods of the circuit sequence.\r\n\r\nIn order to avoid hydraulic system damage, power wastage and overheating of the hydraulic fluid, circuit designers use a variety of cleverly designed systems to control maximum system pressure and pump flow during non-action periods.\r\n\r\nPressure-control valves are used in hydraulic systems to control actuator force (force = pressure \u00d7 area) and to determine and select pressure levels at which certain machine operations must occur.\r\n\r\nPressure controls are mainly used to perform the following system functions:\r\n\r\n\r\n \tLimiting maximum system pressure at a safe level.\r\n \tRegulating\/reducing pressure in certain portions of the circuit.\r\n \tUnloading system pressure.\r\n \tAssisting sequential operation of actuators in a circuit with pressure control.\r\n \tReducing or stepping down pressure levels from the main circuit to a lower pressure in a sub-circuit.\r\n\r\nTypes of Pressure Control Valve:\u00a0\r\n\r\nPressure-control valves are often difficult to identify mainly because of the many descriptive names given to them. The function of the valve in the circuit usually becomes the basis for its name. The valves used for accomplishing the above-mentioned system functions are therefore given the following names:\r\n\r\n \tPressure-relief valve.\r\n \tPressure-reducing valve.\r\n \tUnloading valve\r\n \tCounterbalance valve.\r\n \tPressure-sequence valve.\r\n \tBrake valve.\r\n\r\n\u00a0Symbol Of Pressure Control Valve:\u00a0\r\n&nbsp;\r\n\r\nPressure Control Valve symbols\r\n\r\nApplication Of Pressure Control Valve:\u00a0\r\n\r\n \tAir Compressors\r\n \tUsed in inlet of flow of load in pressure reactors.\r\n \tAircraft and Aerospace\r\n \tCooking water pressure reduction.\r\n \tOxifuel welding and cutting.\r\n \tPropane\/LPG gas \u2013 industrial. transportation and storing.\r\n \tMining industries\r\n \tTooling and Automation","headline":"Pressure Control Valve- Types , Symbol ,Application","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/www.gunkrazy.com\/"},"datePublished":"2017-12-26","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/www.gunkrazy.com\/wp-content\/uploads\/2017\/12\/pressure-control-valves-overview-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/design-fabrication-mini-jet-engine-mechanical-project/" rel="nofollow"><div class="image-container" style="background-image: url('//www.gunkrazy.com/wp-content/uploads/2017/12/diagram-of-design-and-fabrication-mini-jet-engine-300x143.png')"></div><span class="sr-only">link to Design and Fabrication of Mini Jet Engine-Mechanical Project</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//www.gunkrazy.com/design-fabrication-mini-jet-engine-mechanical-project/">Design and Fabrication of Mini Jet Engine-Mechanical Project</a></p></header><div class="excerpt"><p>Design and Fabrication of Mini Jet Engine-Mechanical Project
INTRODUCTION TO MINI JET ENGINES
Before describing the construction of the mini jet engine, some basic Principles should be understood....</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//www.gunkrazy.com/design-fabrication-mini-jet-engine-mechanical-project/" aria-label="View Post: Design and Fabrication of Mini Jet Engine-Mechanical Project">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Design and Fabrication of Mini Jet Engine-Mechanical Project","url":"\/\/www.gunkrazy.com\/design-fabrication-mini-jet-engine-mechanical-project\/","articleBody":"Design and Fabrication of Mini Jet Engine-Mechanical Project\r\nINTRODUCTION TO MINI JET ENGINES\r\nBefore describing the construction of the mini jet engine, some basic Principles should be understood. A mini jet engine can be broken down into five major sub assemblies, the inlet duct, compressor, combustion chamber, turbine wheel, and exhaust outlet. When the engine is running, air is drawn into the compressor where it is compressed and the pressure is increased. It is then ducted to the combustion chamber where fuel is added and burned. The heat in the combustion chamber causes the air to expand before it exits through a nozzle and drives the power turbine. The turbine drives the compressor by means of a drive shaft. The remaining hot gasses are expelled out the exhaust nozzle. Forcing the large amount of air taken into the engine and expelling it out the exhaust duct at a much higher velocity creates thrust. This is the principle of operation of the mini jet engine. It is a reaction engine.\r\n\r\nWORKING OF MINI JET ENGINES :\u00a0\r\n\r\nWe are using LPG as fuel because it is very easy to install and there is no need for any injection systems or fuel pumps. LPG is stored in a 2 Kg capacity cylinder. The cylinder is connected to two valves one stop valve and other control valve that regulate the flow of gas. The valve is followed by a high pressure flexible tubes used in gas welding. The other end is connected to the fuel nozzle made from mild steel, which is welded to the combustion chamber.\r\n\r\ndiagram of design and fabrication mini jet engine\r\nAdvantages of Mini Jet Engines :\u00a0\r\n\u2022 Power to the weight ratio of a turbojet is about four times that of a propeller system having reciprocating engine.\r\n\u2022 It is simple, easy to maintain and requires lower lubricating oil consumptions. Further more liquid cooling results in reduced frontal area.\r\n\u2022 There is no limit to power output which can be obtained from a turbojet while the piston engines have reached almost their peak power and further increased will be at the cost of complexity and greater engine weight and frontal area of aircraft.\r\n\u2022 The speed of turbo jet is not limited by the propeller and it can attain higher flight speeds than engine propeller aircrafts.\r\n\u2022 Simplicity of design, efficient at supersonic speed ~ Mach 2.\r\n\r\nAdvantages of LPG as fuel\r\nLPG is clean, high octane, abundant and eco-friendly fuel. Higher energy content, lower CO-2 emission. 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