sharp tool. As civilizations progressed‚ there have been constant modifications and improvements over the original two-person lathe machine‚ most importantly on the production of the rotary motion. Lathe machine is the single most versatile machine in the engineering workshop. A lathe is a machine tool which spins a block of material to perform various operations such as cutting‚ turning‚ facing‚ threading ‚ sanding ‚knurling‚ drilling‚ or deformation such as metal spinning with tools that are
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relative to the tool. 1. SPEED/CUTTING SPEED is a velocity unit‚which is typically listed in terms of feet/min‚meters/second‚ or meters/min. 2. FEED is the amount of materials removed for each revolution or per pass of the tool over workpiece . Feed is measured in un its of length/revolution‚length/time‚ or others appropriate units for the particular process. 3. THE DEPTH OF CUT represents the third parameter for metal cutting. For turning DOC is the depth that the tool is plunged into
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in machine shop‚ are strong and rigid mechanical devices which enable easy‚ quick and consistently accurate locating‚ supporting and clamping‚ blanks against cutting tool(s) and result faster and accurate machining with consistent quality‚ functional ability and interchangeability. Jig is a fixture with an additional feature of tool guidance. 2) Following the purpose and advantages of jigs and fixtures : (a) It reduces or sometimes eliminates the efforts of marking‚ measuring and setting of
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Downloaded from www.gbtunews.in Downloaded from www.gbtunews.in TABLE OF CONTENTS 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Acknowledgment Preface Introduction to D.L.W. Heavy Weld Shop Heavy Machine Shop Light Machine Shop Rotor Shop Heat Treatment Shop Sub Assembly Shop T.T.C. Conclusion Downloaded from www.gbtunews.in ♣ ♣ I would sincerely like to thank the employees and the officers of DLW‚ VARANASI for their help and support during the vocational training
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Module 9 Non conventional Machining Version 2 ME‚ IIT Kharagpur Lesson 37 Water Jet and Abrasive Water Jet Machining Version 2 ME‚ IIT Kharagpur Instructional Objectives o o o o o o o o o o o o o List four different non conventional machining processes Differentiate between water and abrasive water jet machining List different WJM and AWJM systems List ten different modules of AWJM systems List four applications of AWJM List three advantages of AWJM List materials that can be processed
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2. Machining Turning operation Machine time = length to be machined / Feed rate Longitudinal turning - ( rpm known ) l = length to be machined Sr = Feed rate n = rpm Machine Time = l / Sr x n Longitudinal turning - ( rpm unknown ) d = Diameter v = Cutting speed Sr = Feed rate l = Length to be machined Machine time = l x pi x d / Sr x v Facing Machine time = r / sr x n Drilling operation Machine time = length of tool traveled / Feed rate Machine time ( Known rpm ) L = length
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CLIFFORD T. BALUCA at 101-F mECH MACHINE A machine is a tool that consists of one or more parts‚ and uses energy to achieve a particular goal. Machines are usually powered by mechanical‚ chemical‚ thermal‚ or electrical means‚ and are frequently motorized. Historically‚ a powered tool also required moving parts to classify as a machine; however‚ the advent of electronics technology has led to the development of powered tools without moving parts that are considered machines. DIFFERENT KINDS
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Module 9 Non-conventional machining Version 2 ME‚ IIT Kharagpur Lesson 36 Ultrasonic Machining (USM) Version 2 ME‚ IIT Kharagpur Instructional Objectives i. ii. iii. iv. Describe the basic mechanism of material removal in USM Identify the process parameters of USM Identify the machining characteristics of USM Analyse the effect of process parameters on material removal rate (MRR) v. Develop mathematical model relating MRR with USM parameters vi. Draw variation in MRR with different process
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Hard Small Deep Accurate Automation Systematic Copyright @ 2005 Makino Milling Machine Co.‚Ltd. All Rights Reserved 1 Requests to the Machine Tool Builder Mold Manufacturing Process Product Design Mold Design NC data Machining Polishing+Assembling Multi-Process Milling/EDM/Grinding High-Quality NC data supply on time Reduce machining time Reduce processes High-efficiency surface Automation By workers Reduce time Requests HighQuality/Easy CAM system High-Speed High-Accuracy
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many different manufacturing processes‚ each is well suited to a particular need based on environmental impact‚ dimensional accuracy‚ material properties‚ and the mechanical component’s shape. Engineers select processes‚ identify the machines and tools‚ and monitor production to ensure that the final product meets its specifications. The main classes of manufacturing processes are as follows: In casting‚ liquid metal is poured into the cavity of a mold‚ which can be expendable or reusable. The
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