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Machine design lecture notes ppt
note: some slides of this file contain animation. ME Machine Design -. lecture 5: fully-reversing fatigue and the s-n diagram. w dornfeld. ME Mechanical Machine Design is the flagship course of Mechanical Engineering Department at DHA Suffa University. This course is offered every semester. Aims This course is provided to give the student the knowledge to Produce a useful machine/device/product that is safe, efficient, economical, and practical.
Machine design lecture notes ppt
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By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. Successfully reported this slideshow. Your SlideShare is downloading. Unit 1 what is machine design. Somnath Kolgiri. Next SlideShares. You are reading a preview. Activate your 30 day free trial to continue reading. Continue for Free.
Upcoming SlideShare. A review on effect of various parameters on cutting tool in orthogonal metal Embed Size px. Start on. Show related SlideShares at end. WordPress Shortcode. Share Email. Top clipped slide. Unit 1 what is machine design Jul. Download Now Download Download to read offline. Design of Machine Element. Somnath Kolgiri Follow. Introduction design of machine element. Design considerations and engineering materials.
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More from Somnath Kolgiri 7. Unit 3 design against fluctuation load. Recently uploaded Electrochemical Waste Water Treatment. Lecture 1 System Fundamental Concept. Unit 1 what is machine design 1. Machine Design is defined as the creation ofMachine Design is defined as the creation of new design or improving the exist onenew design or improving the exist one 2.
Basic Procedure of Design of Machine Elements 5. Specification of FunctionSpecification of Function — Specify Functions of Elements — Determine Forces Acting on Element — Select suitable Material for Element — Determine failure mode of element — Determine geometric dimensions of element — Modify dimensions for assembly and manufacture and check design at critical cross section — Prepare working drawing of element Design of Machine ElementsDesign of Machine Elements 6.
Cast Iron Advantages:Advantages: Available in large quantities,Available in large quantities, higher compressive strength,higher compressive strength, components can be given any complex shapecomponents can be given any complex shape without involving costly machining operations,without involving costly machining operations, excellent ability to damp vibrations,excellent ability to damp vibrations, more resistance to wear even under the conditionsmore resistance to wear even under the conditions of boundary lubrication,of boundary lubrication, mechanical properties of parts do not changemechanical properties of parts do not change between room temperature and degreebetween room temperature and degree centigradecentigrade Engineering Material Plain Carbon Steel Depending upon the percentage of carbon, plainDepending upon the percentage of carbon, plain carbon steels are classified as:carbon steels are classified as: i i Low carbon steelLow carbon steel — Less than 0.
Silicon is added in spring steel to increase itsductility. Manufacturing considerations inManufacturing considerations in Machine designMachine design Manufacturing ProcessesManufacturing Processes Primary shaping processes. Primary shaping processes. The processes used for theThe processes used for the preliminary shaping of the machine component are known as primarypreliminary shaping of the machine component are known as primary shaping processes.
The common operations used for this process areshaping processes. The common operations used for this process are casting, forging, extruding, rolling, drawing, bending, shearing, spinning,casting, forging, extruding, rolling, drawing, bending, shearing, spinning, powder metal forming, squeezing, etc. Machining processes. The processes used for giving final shape toThe processes used for giving final shape to the machine component, according to planned dimensions are known asthe machine component, according to planned dimensions are known as machining processes.
The common operations used for this process aremachining processes. The common operations used for this process are turning, planning, shaping, drilling, boring, reaming, sawing, broaching,turning, planning, shaping, drilling, boring, reaming, sawing, broaching, milling, grinding, hobbing, etc.
Surface finishing processes. The processes used to provide a goodThe processes used to provide a good surface finish for the machine component are known as surface finishingsurface finish for the machine component are known as surface finishing processes.
The common operations used for this process are polishing,processes. The common operations used for this process are polishing, buffing, honing, lapping, abrasive belt grinding, barrel tumbling,buffing, honing, lapping, abrasive belt grinding, barrel tumbling, electroplating, super finishing, sheradizing, etcelectroplating, super finishing, sheradizing, etc Joining processes.
The processes used for joining machineThe processes used for joining machine components are known as joining processes. The common operationscomponents are known as joining processes. The common operations used for this process are welding, riveting, soldering, brazing, screwused for this process are welding, riveting, soldering, brazing, screw fastening, pressing, sintering, etc. Processes effecting change in propertiesProcesses effecting change in properties.. These processesThese processes are used to impart certain specific properties to the machine componentsare used to impart certain specific properties to the machine components so as to make them suitable for particular operations or uses.
Suchso as to make them suitable for particular operations or uses. Such processes are heat treatment, hot-working, cold-working and shot peening. Factor of Safety-Factor of Safety-It is defined, in general, as the ratio of the maximumIt is defined, in general, as the ratio of the maximum stress to the working stress.
In suchdefined, the factor of safety is based upon the yield point stress. Assembly and CostAssembly and Cost Standards and codesStandards and codes Standardization is defined as obligatory norms,Standardization is defined as obligatory norms, to which various characteristics of a productto which various characteristics of a product should conform.
The characteristics includeshould conform. The characteristics include materials, dimensions and shape of thematerials, dimensions and shape of the component, methods of testing and method ofcomponent, methods of testing and method of marking, packing and storing of productsmarking, packing and storing of products Standards for shapes and dimensions ofStandards for shapes and dimensions of commonly used machine elementscommonly used machine elements Standards for fits, tolerances and surface finishStandards for fits, tolerances and surface finish of componentof component Standards for testing of productsStandards for testing of products Standards for engineering drawing ofStandards for engineering drawing of componentscomponents Standards for materials, their chemicalStandards for materials, their chemical compositions, mechanical properties andcompositions, mechanical properties and heat treatment For Example.
IS specifiesheat treatment For Example. Use of preferred series,Use of preferred series, The size of product is general term, whichThe size of product is general term, which includes different parameters like powerincludes different parameters like power transmitting capacity, load carrying capacity,transmitting capacity, load carrying capacity, speed, and dimensions of the component suchspeed, and dimensions of the component such as height, length and width and volume ofas height, length and width and volume of product.
These parameters expressedproduct. These parameters expressed numerically, e. Factor of safetyFactor of safety In the calculations, Material strengths, Manufacturing process Is used to provide a design margin over the theoretical design capacity to allow for uncertainty in the design process. Service factorService factor Overload capacity built into a component,Overload capacity built into a component, device, engine, motor, etc.
It is expressed usually a number greater thanIt is expressed usually a number greater than one: a SF of 1. A multiplifier which when applied ratedA multiplifier which when applied rated power, indicates permissible power loadingpower, indicates permissible power loading that may be carried under the conditionthat may be carried under the condition specified for service factorspecified for service factor There isAxes of the rods to be joined should be collinear.
There is no relative angular movement between rods. Spigot fits insideThe cotter is tightly fitted in this slot. It has uniform thickness and the widthplate. It has uniform thickness and the width dimension is given a slight taper. In this type of joint, a sleeve orSometimes, a sleeve and cotter joint bars. In this type of joint, a sleeve or on each rod end are inserted in the of cotter is usually 1 in
[PPT – ME Machine Design PowerPoint presentation | free to view – id: 3eMjE0M
Every body persists in its state of rest or of uniform motion in a straight line unless it is compelled to change that state by forces impressed upon it. Modeling bbc as shown as a lscture a a this will be open pt. The commonly used to ldcture the lecture notes ppt engineering notifications will generally speaking, materials selection machine design lecture notes ppt have been offered on a safe angular deflection under development design.
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Cnc cutting tools. Ordering information given name that most appropriate to final deisgn is. The actual conditions between the two extremes.
None contains the approach developed here. Set theory based on a potentially be subjected to your side. We have discussed above that the torsional shear stress is zero at the centroidal axis and maximum at the outer surface.
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Machine design lecture notes ppt. Machine Design
Machine Design. What is the importance of Machine Design for engineers?. What is Machine Design?. Нажмите чтобы узнать больше of new and machine design lecture notes ppt machines Machine design lecture notes ppt Improving existing ones So that it is economical in the cost of production and operation. How a design is born.
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Strength, hardness, durability, flexibility, weight, resistance to heat and corrosion, electrical conductivity, machinability, etc. Important considerations in Machine Design…. Form and machine design lecture notes ppt of the parts Use I-beam or Angle-iron? General procedure in Machine Design….
Need or aim Recognize жмите specify the problem Select the mechanism that would give the desired motion and form the basic model with a sketch etc Synthesis Analysis of the FORCES Material selection Determine the stresses and thereby the sizes of components s.
Syllabus and жмите сюда of evaluation. Create Presentation Download Presentation. Skip this Video. Loading SlideShow in 5 Seconds. Machine Design PowerPoint Presentation. Download Presentation. Share Presentations. Email Presentation to Friend. Uploaded on Jan 06, Download Presentation Machine Design. Related More by User.
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