tag:blogger.com,1999:blog-21021859029642917Sat, 28 Mar 2026 11:08:03 +0000Industrial product Engineeringenergyenergy sourcesAutomobile EngineeringThermodynamicsengineering materials. strength of materialsIndustrial product Engineering FAQJoining ProcessesPower plant engineeringRenewable energyMechanical weldingmanufacturing processIndustrial product Engineering questions and answersFoundry and castingFluid mechanicsGeothermal energyPowerplant engineeringHydroelectric Power plantSolar energyFAQIndustrial Production EngineeringMachining ProcessQuestions and AnswersBoiling heat transferHydroelectric powerenvironmental pollutionsolid mechanicsNuclear Power plantmechanicsBiomassMechanical Engineering Booksunitsproperties of materialsReviews.Solar Collectorsglobal warmingHeat TransferIPEwave energyAlternative energy, fluid mechanics, strength of materials, thermodynamics, heat transfer, Power plant, Patterns in casting , Renewable energy and all the cool mechanical stuffs for students are discussed here. http://mechanicalinventions.blogspot.com/noreply@blogger.com (Tanjil)Blogger100125tag:blogger.com,1999:blog-21021859029642917.post-1018132510482469025Sun, 18 Dec 2016 15:06:00 +00002016-12-18T07:06:07.759-08:00BiomassBoiling heat transferenergyengineering materials. strength of materialsenvironmental pollutionThermodynamicsLogarithmic Mean temperature Difference is used to measure the Heat transfer rate in double pipe heat exchanger. The rate of heat transfer is got from the formula - Q = U.A.LMTD . U= Heat Transfer Co-efficient A= Heat Transfer Surface Area LMTD= &nbsp;Mean Temperature Difference LMTD is the logarithmic temperature difference between the hot and cold fluids passing through the each ends of heathttp://mechanicalinventions.blogspot.com/2016/12/log-mean-temperature-difference-lmtd.htmlnoreply@blogger.com (Tanjil)120tag:blogger.com,1999:blog-21021859029642917.post-5057321220970052008Thu, 02 Jun 2016 07:21:00 +00002016-06-02T00:21:41.589-07:00engineering materials. strength of materialsFAQQuestions and Answerssolid mechanicsStress: When any object of certain material is subjected to tensile or compressive or shear force, there may be a chance that its dimension will be affected. If the dimension of a material is changed due to application of forces we can say that the material is under stress or experiencing the state of stress. Stress is defined as the Force per unit cross section area. Stress = F/A Stress is http://mechanicalinventions.blogspot.com/2016/06/stress-strain-graph-for-mild-steel.htmlnoreply@blogger.com (Tanjil)44tag:blogger.com,1999:blog-21021859029642917.post-431520559299862691Sat, 09 Apr 2016 06:23:00 +00002016-04-08T23:30:52.836-07:00FAQIndustrial product EngineeringIndustrial product Engineering FAQIndustrial Production EngineeringMachining Processmanufacturing process Extrusion Process Principles Extrusion process is very common in the plastic industry. It is used for high volume plastic production. In extrusion process the color pigments along with other performance enhancing additives are combined with resin which is then pushed through the rotating screws. The heat and pressure generated within the barrels of screw is dispersed and melts the plastic http://mechanicalinventions.blogspot.com/2016/04/plastic-extrusion-process-principles.htmlnoreply@blogger.com (Tanjil)54tag:blogger.com,1999:blog-21021859029642917.post-7214473736947728944Mon, 07 Mar 2016 09:28:00 +00002016-03-07T01:28:29.242-08:00engineering materials. strength of materialsIndustrial product Engineering questions and answersIndustrial Production Engineeringmanufacturing processPlastics can be classifies into two broad categories - Thermosets and Thermoplasctics. A brief description of these two classes will be discussed here. Thermosets are the kind of plastics which are not recyclable. They undergo a kind of chemical change at the time of heating. As a result &nbsp;they can be shaped once because of this permanent chemical change. This process is known as heat http://mechanicalinventions.blogspot.com/2016/03/different-types-of-plastics-advantages.htmlnoreply@blogger.com (Tanjil)18tag:blogger.com,1999:blog-21021859029642917.post-6941259474149584048Sat, 20 Feb 2016 09:18:00 +00002016-02-20T01:18:14.905-08:00Foundry and castingIndustrial product Engineering questions and answersIndustrial Production Engineeringmanufacturing processQuestions and Answers Cope and drag in Sand Mold : Cope and Drag are the two parts of the casting flask. Cope is the upper part and drag is the lower part. Even if the casting process is flaskless , the same terms are used for the upper ans lower parts. Generally the flask is made of wood or metal. It contains molding sand. When metal is poured into the mold cavity the flask supports the mold. Gating system: http://mechanicalinventions.blogspot.com/2016/02/diferent-parts-of-sand-mold-features.htmlnoreply@blogger.com (Tanjil)22tag:blogger.com,1999:blog-21021859029642917.post-7993623993953147329Fri, 12 Feb 2016 13:05:00 +00002016-02-12T05:05:06.516-08:00Foundry and castingIndustrial product Engineering questions and answersIndustrial Production EngineeringIPEmanufacturing processInvestment or lost-wax castings: The Lost-wax method, sometimes, also called simply as precision-investment casting&nbsp;has been used for many years by jewelers and dentists. Since world-war-II, the method has been adapted to the production of small and precise, industrial fasting. Basically, the method involves the use of expendable (heat disposable) pattern unrounded with a shell of http://mechanicalinventions.blogspot.com/2016/02/lost-wax-or-investment-casting-method.htmlnoreply@blogger.com (Tanjil)12tag:blogger.com,1999:blog-21021859029642917.post-2121366827992464896Mon, 08 Feb 2016 05:42:00 +00002016-02-07T21:46:42.646-08:00Foundry and castingIndustrial product Engineering FAQIndustrial Production Engineeringmanufacturing process Die casting process is very different from sand casting as the mould used here is permanent. The mould is not expandable and need not to be broken after the cooling and solidification. Here the mould is called the die.&nbsp; Please Read :&nbsp; Comparison of different casting process&nbsp; A complete Guide to casting process&nbsp; Gravity die casting: When the molten is metal is http://mechanicalinventions.blogspot.com/2016/02/die-casting-principles.htmlnoreply@blogger.com (Tanjil)22tag:blogger.com,1999:blog-21021859029642917.post-2319620802493146384Sat, 06 Feb 2016 04:23:00 +00002016-02-05T20:24:40.639-08:00Foundry and castingIndustrial product EngineeringIndustrial product Engineering FAQIndustrial Production Engineeringmanufacturing processQuestions and Answers Sand casting: In sand casting which is also known as sand molded casting, an object is produced by sand mold. The process involves pouring of the molten metal in to the mold cavity. The molten metal is then cooled to the room temperature. The metal is solidified. After cooling, the metal object is separated from the mold. &nbsp;Sand casting process has its advantages and disadvantages. So care http://mechanicalinventions.blogspot.com/2016/02/sand-casting-process-with-diagram.htmlnoreply@blogger.com (Tanjil)16tag:blogger.com,1999:blog-21021859029642917.post-7520415876237113915Thu, 04 Feb 2016 09:18:00 +00002016-02-12T05:07:32.270-08:00Foundry and castingIndustrial product Engineering questions and answersIndustrial Production EngineeringMachining Processmanufacturing processMechanical Engineering BooksWe know that casting is the process of pouring molten metal in a desired shaped cavity and allowing it to solidify. After the solidification we get the desired shaped object. Please read : Comparison of different casting processes.&nbsp; What is casting ? Main application of castings&nbsp; Basic Steps of Sand casting&nbsp; Basic Operation of the casting process First we have to make a http://mechanicalinventions.blogspot.com/2016/02/steps-involved-in-casting-process.htmlnoreply@blogger.com (Tanjil)5tag:blogger.com,1999:blog-21021859029642917.post-8405335666562175506Wed, 03 Feb 2016 05:15:00 +00002016-02-03T00:48:44.872-08:00Foundry and castingIndustrial product Engineering questions and answersIndustrial Production Engineeringmanufacturing process Pattern allowances: There are some allowances which are responsible for the difference in the dimensions of the casting and the pattern. These allowances are considered when a pattern is designed for casting. In this article we will discuss those allowances - <!--[if !supportLists]-->1.&nbsp;&nbsp;&nbsp;&nbsp; <!--[endif]-->Shrinkage allowance: After solidification of the metal from http://mechanicalinventions.blogspot.com/2016/02/different-types-of-pattern-allowances.htmlnoreply@blogger.com (Tanjil)25tag:blogger.com,1999:blog-21021859029642917.post-5667588597669666054Mon, 01 Feb 2016 16:13:00 +00002016-02-01T08:14:55.732-08:00Industrial product EngineeringIndustrial product Engineering questions and answersJoining Processesmanufacturing process Discovering Brazing (Braze Welding) Brazing is a gas welding process in which you join metals by using heat that&nbsp;surpasses the 800 degree Fahrenheit mark and a nonferrous (iron-free) filler&nbsp;rod with a melting temperature below that of the base materials. The most&nbsp;important point about brazing is that you can use it to join dissimilar&nbsp;metals — cast iron to steel, brass to http://mechanicalinventions.blogspot.com/2016/02/what-is-brazing-principles.htmlnoreply@blogger.com (Tanjil)2tag:blogger.com,1999:blog-21021859029642917.post-6039900960183912745Sat, 30 Jan 2016 10:07:00 +00002016-01-30T02:07:05.789-08:00engineering materials. strength of materialsIndustrial product EngineeringIndustrial product Engineering FAQMachining ProcessQuestions and Answers EDM is a non-conventional machining technique uniquely used for cutting metals which are not possible to cut with traditional methods. EDM only works with materials which are electrically conductive. Delicate cavities and intricate contours which are difficult to produce with a grinder or other machines can be done with Electrical Discharge Machining or EDM. The cutting tool for EDM may be made http://mechanicalinventions.blogspot.com/2016/01/electrical-discharge-machining-edm.htmlnoreply@blogger.com (Tanjil)17tag:blogger.com,1999:blog-21021859029642917.post-842773740676980817Fri, 09 Oct 2015 19:28:00 +00002016-01-30T02:08:24.853-08:00energyenergy sourcesengineering materials. strength of materialsIndustrial product Engineering questions and answersMachining Processmanufacturing processThermodynamics Electrochemical Machining (ECM)&nbsp;is based upon&nbsp;Faraday's law of electrolysis. Faraday's law states that the the mass of a metal altered by the electrode is proportional to the quantity of electrical charges transferred to that electrode. In ECM the removal of metal is controlled by the anodic dissolution in the electrolyte.&nbsp; In ECM - &nbsp;The workpiece acts as the anode The http://mechanicalinventions.blogspot.com/2015/10/electrochemical-machining-ecm-principles.htmlnoreply@blogger.com (Tanjil)3tag:blogger.com,1999:blog-21021859029642917.post-8020983029449822657Thu, 17 Sep 2015 07:17:00 +00002015-09-17T02:23:27.663-07:00FAQFoundry and castingIndustrial product EngineeringIndustrial product Engineering questions and answersmanufacturing processWhat is Match - Plate Pattern&nbsp; The match plate pattern is almost similar to the mounted pattern but it can have part of the casting in the cope and part in the drag like split piece pattern. These parts are generally attached to the plate / board in opposite sides in the perfect positions. When the plate is removed and mold is in close position the cavities in the cop and drag match http://mechanicalinventions.blogspot.com/2015/09/match-plate-pattern-used-in-casting.htmlnoreply@blogger.com (Tanjil)0tag:blogger.com,1999:blog-21021859029642917.post-2171726340824829180Sun, 13 Sep 2015 04:30:00 +00002016-01-30T02:09:05.696-08:00energyIndustrial product EngineeringIndustrial product Engineering FAQMachining Processmanufacturing processIn this process the material of the workpiece is removed by the&nbsp;repetitive impact&nbsp;actions of abrasive particles. The erosion takes place by the abrasive particles which are carried by a liquid medium in the from of a slurry . A shaped vibrating tool is used to produce the impact. The term shaped is used to explain that the process is capable enough to create 3D profiles in&nbsp;http://mechanicalinventions.blogspot.com/2015/09/ultrasonic-machining-usm-working.htmlnoreply@blogger.com (Tanjil)8tag:blogger.com,1999:blog-21021859029642917.post-5479021961520349145Thu, 10 Sep 2015 08:41:00 +00002016-01-30T02:09:31.469-08:00energyengineering materials. strength of materialsFoundry and castingIndustrial product EngineeringMachining Processmanufacturing process &nbsp; &nbsp; &nbsp; &nbsp; In Water jet Machining no abrasive is used. Water jet alone is used for cutting. In WJM, materials like concrete, asbestos, wood, rocks, coal, textiles and leather can be cut. The material is removed by means of erosion. These days hydraulic coal mining as well as tunneling, descaling and cleaning is also done by this process.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; http://mechanicalinventions.blogspot.com/2015/09/water-jet-machining-wjm-advantages-disadvantages.htmlnoreply@blogger.com (Tanjil)14tag:blogger.com,1999:blog-21021859029642917.post-4096156855182973558Tue, 09 Jun 2015 18:16:00 +00002015-10-26T23:38:19.582-07:00Automobile EngineeringIndustrial product EngineeringIndustrial product Engineering FAQIndustrial product Engineering questions and answersMachining Processmanufacturing processLike all joining processes (in fact, like all processes!), welding offers several advantages but has some disadvantages as well. The most significant advantage of welding is undoubtedly that it provides exceptional structural integrity, producing joints with very high efficiencies. The strength of joints that are welded continuously (i.e.,full length, without intentional skipped areas) can easilyhttp://mechanicalinventions.blogspot.com/2015/06/advantages-and-disadvantages-of-welding.htmlnoreply@blogger.com (Tanjil)3tag:blogger.com,1999:blog-21021859029642917.post-1068382030918861009Mon, 29 Dec 2014 16:49:00 +00002014-12-29T08:49:45.371-08:00Automobile Engineeringenergyengineering materials. strength of materialsFAQIndustrial product EngineeringIndustrial product Engineering FAQJoining ProcessesMechanical weldingMagnetically impelled arc butt (MIAB) welding (sometimes referred to as rotating arc welding) is a rapid, clean, and reliable arc welding process that employs forging to produce &nbsp;the finished weld. As such, it is classified as an electric arc welding process since that is the energy source for producing melting or fusion, even though pressure from forging is needed to complete the weld. It http://mechanicalinventions.blogspot.com/2014/12/magnetically-impelled-arc-butt-welding.htmlnoreply@blogger.com (Tanjil)2tag:blogger.com,1999:blog-21021859029642917.post-1838922620105982116Mon, 22 Dec 2014 09:28:00 +00002016-01-30T02:10:33.706-08:00Automobile EngineeringFAQIndustrial product EngineeringIndustrial product Engineering FAQJoining ProcessesMachining ProcessmechanicsPower plant engineeringunits Abrasive Jet Machining (AJM) Principles&nbsp; In abrasive jet machining process, a focused steam of abrasive particles (of size 10 to 40 microns) carried by high pressure gas or air at a velocity of about 150 to 300 m/sec is made to impinge on the work surface through a nozzle, and the work material is removed by erosion by the high velocity abrasive particles. The inside diameter (ID) of thehttp://mechanicalinventions.blogspot.com/2014/12/abrasive-jet-machining-ajm-process.htmlnoreply@blogger.com (Tanjil)5tag:blogger.com,1999:blog-21021859029642917.post-3196197234451176612Fri, 19 Dec 2014 11:32:00 +00002014-12-19T03:34:39.250-08:00Automobile EngineeringenergyIndustrial product EngineeringIndustrial product Engineering FAQJoining ProcessesMechanical weldingGas-tungsten arc welding (GTAW) uses a permanent, &nbsp;non-consumable tungsten electrode to create an arc to a workpiece. This electrode is shielded by an inert gas, such as argon or helium (or a mixture of the &nbsp;two), to prevent electrode degradation; hence the older, common names tungsten-inert &nbsp;gas (TIG) and heli-arc welding. As shown in Figure below, current from the power supply ishttp://mechanicalinventions.blogspot.com/2014/12/gas-tungsten-arc-welding-gtaw-tig-operation.htmlnoreply@blogger.com (Tanjil)3tag:blogger.com,1999:blog-21021859029642917.post-5754480164769131390Fri, 19 Dec 2014 10:07:00 +00002014-12-19T02:55:30.725-08:00Automobile EngineeringenergyIndustrial product EngineeringIndustrial product Engineering FAQIndustrial product Engineering questions and answersJoining ProcessesMechanical weldingThermodynamics Aluminotherrnic welding is commonly known as Thermit welding.&nbsp; As a subset, these processes use the heat from highly exothermic chemical reactions of solid, particulate materials (or, occasionally, solid particles and a gas) to produce melting and joining, also called coalescence, between metals.&nbsp; Most often, the reactants employed are oxides with low heats of formation and metallic http://mechanicalinventions.blogspot.com/2014/12/aluminotherrnlc-welding-thermit-welding-principles.htmlnoreply@blogger.com (Tanjil)2tag:blogger.com,1999:blog-21021859029642917.post-6250636322665210895Wed, 17 Dec 2014 16:06:00 +00002014-12-17T08:11:55.970-08:00Automobile Engineeringenergy sourcesengineering materials. strength of materialsJoining ProcessesMechanical weldingReviews.Miller Welders are one of the most famous manufacturers of TIG welding equipment. Performing TIG welding perfectly is an art. And for a clean, successful and accurate TIG weld we need efficient welders and efficient welding machine. Miller TIG welder always comes handy in achieving the desired weld. Miller manufactures two types TIG of welding equipment AC/DC all type metal welder (including http://mechanicalinventions.blogspot.com/2014/12/miller-tig-welder-dynasty-series-review.htmlnoreply@blogger.com (Tanjil)7tag:blogger.com,1999:blog-21021859029642917.post-6551867760553487679Wed, 17 Dec 2014 15:06:00 +00002014-12-17T20:52:34.254-08:00Automobile Engineeringengineering materials. strength of materialsIndustrial product EngineeringIndustrial product Engineering FAQJoining ProcessesMechanical weldingReviews.Welding is an art. There are different types of welding methods. TIG or Tungsten Inert Gas Welding is technique for great welded joints. TIG or Gas Metal Arc Welding (GMAW) needs some great craftsmanship to master. And for this reason we need some decent welding machine from a renowned company. Miller TIG Welder is great when it comes to weld an accurate and clean weld. Please Read : Miller http://mechanicalinventions.blogspot.com/2014/12/different-miller-tig-welder-models.htmlnoreply@blogger.com (Tanjil)12tag:blogger.com,1999:blog-21021859029642917.post-5490807275626072862Wed, 17 Dec 2014 07:51:00 +00002014-12-17T01:22:51.971-08:00Automobile EngineeringenergyIndustrial product EngineeringIndustrial product Engineering FAQJoining ProcessesMechanical weldingPowerplant engineeringReviews.Miller BOBCAT 250 EFI Rugged welder / generator is a very good equipment for Stick as well as Flux-Cored Welding. It can be used &nbsp;for construction and maintenance /repair operations. It is quitter. There is improvement on the sound level. So there is significant improvement in the jobsite communication as a result a safer and more efficient working environment is guaranteed. Miller bobcathttp://mechanicalinventions.blogspot.com/2014/12/miller-bobcat-250-engine-driven-welder-review.htmlnoreply@blogger.com (Tanjil)1tag:blogger.com,1999:blog-21021859029642917.post-5232442662537336909Tue, 16 Dec 2014 08:51:00 +00002014-12-16T01:35:11.758-08:00Automobile Engineeringenergy sourcesengineering materials. strength of materialsMechanical Engineering BooksPowerplant engineeringRenewable energyThermodynamics Catalytic Converters&nbsp; Catalytic converter is a &nbsp;way of treating exhaust gases. These convert harmful pollutants into harmless gases. A catalyst is a material that causes chemical change without entering into chemical reaction. In effect the catalyst encourages to react with each other.&nbsp;For example, in the HC/CO catalytic converter, the catalyst encourage5 the HC to unite with http://mechanicalinventions.blogspot.com/2014/12/dual-bed-and-three-way-catalytic-ocnverters.htmlnoreply@blogger.com (Tanjil)12