3) Explain brief the nomenclature of the single point cutting tool. 4) a) Write a short note on cutting speed b) Briefly explain the economics of machining Unit – III Marks: 2 1) Types of lathe. 2) What are the operations performed in Capstan and Turret lathe? 3) Which mechanism used to make a thread cutting operation. 4) Write down the various operations in lathe machine. 5) Write down the types of tool post. Marks: 12 1) Draw the general view of Centre lathe
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SLOTTING ATTACHMENT IN DRILLING MACHINE SYNOPSIS There are number of machine tools producing round and taper holes. But many engineering components require square and non-circular holes. At present square and other non holes are produced using CNC machines or spark erosion or slotting machines. But there is no quality machine tool to produce square and polygon holes at minimum cost. Thus we made an attempt to design and fabricate an attachment for drilling machine which would produce square
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replace the broken piece. Interchangeable parts were achieved by combining a number of innovations and improvements in a machining operation. Such as‚ slide rest lathe‚ screw-cutting lathe‚ milling machine and metal planer. After this was invented‚ everything for those who need something became easier. Things became easier for everyone and engineers‚ the most because they use tools and many interchangeable parts. Milling machine is a process of using rotary cutters to remove material. For instance
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Noise Associated with Power Tools on the Work Site The workers at company X have been in the construction industry for a very long time and most of them are unaware of the ill effects of being exposed to high level noise created from hand and power tools. While these tools may be very efficient‚ they produce large amounts of noise and vibrations. Being exposed over long periods of time without proper protective measures can put a person at risk for noise-induced hearing loss‚ accidents and
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follows: Gloves or hand wear must never be worn whilst working on a milling machine; any types of hand wear like watches‚ bracelets and bangles could get snagged on the cutter and wind the operator into the machine and cause injury. Component and cutting tool must be properly clamped. Machine vice handles must be removed from the vice when not in use. Make sure there are no loose parts left on the machine whilst operating. Make sure that you know how to operate the machine before switching it on. Machine
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B. (2011) ’A New Milling 101: Milling Forces and Formulas’ http://www.mmsonline.com/articles/a-new-milling-101-milling-forces-and-formulas. Pirtini‚ M. & Lazoglu‚ I. (2005) Forces and hole quality in drilling International Journal of Machine Tools & Manufacture 45 (2005) 1271–1281. Spaenaur (2012) ‘Suggested Tightening Torque1 Values to Produce Corresponding Bolt Clamping Loads’. http://www.spaenaur.com/pdf/sectionD/D48.pdf 9. Appendix Table 1 http://www.torqwrench.com/Info/fasteners.php
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programme A part programme is coded using coordinates to give a detailed set of directions to be read by the machine control unit and then followed by the machine tool. When creating a part programme‚ first of all the programmer must look at a detail drawing to tabulate coordinates and create an operation plan which will include a tool list and materials – this can all be very time consuming and can leave much room for error. Any incorrect code in a programme could lead to errors in the machined
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TME-801 POWER PLANT ENGINEERING L T P 3 1 0 Unit-I Introduction: Power and energy‚ sources of energy‚ review of thermodynamic cycles related to power plants‚ fuels and combustion‚ calculations. Variable Load problem Industrial production and power generation compared‚ ideal and realised load curves‚ terms and factors. Effect of variable load on power plan operation‚ methods of meeting the variable load problem. Power plant economics and selection Effect of plant type on costs‚ rates‚ fixed
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ISE 369 Quality Engineering – KK3a 2012/13 Semester 1 New QC Seven Tools (Self-study) 1. Affinity Diagram (KJ Method) - Affinity diagram organizes a large number of ideas into their natural relationships. This method taps a team’s creativity and intuition. It was created in the 1960s by Japanese anthropologist Jiro Kawakita. Page 1 of 5 ISE 369 Quality Engineering – KK3a 2012/13 Semester 1 2. Relation diagram - Relation diagram shows cause-and-effect relationships. Just as importantly‚ the
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1) The Grinding Machine A grinding machine uses an abrasive wheel as a cutting tool to shape or change the dimensions of a hard material. The type of materials that need grinding are usually metallic items such as tools and rods. These machines generally work by reducing the material through abrasion. Grinding is used to finish workpieces that must show high surface quality and high accuracy of shape and dimension. There are several main parts in this machine. These parts are shown as below. Picture
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