lecture_3_-_theory_of_metal_machining_-_ch_21.20110125.4d3efa9856a430.89348315

Lecture_3_-_theory_of_metal_machining_-_ch_21.20110125.4d3efa9856a430.89348315

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Announcements ! A nice pro/E tutorial ( Thanks to Jonathan Manton )- http://www.me.cmu.edu/academics/courses/ NSF_Edu_Proj/Wildfire_short_course/tutorials.htm A lecture schedule has been posted on the course website (under “lecture notes” section) Lecture notes will be made available on the course website prior to class (Tuesday and Thursday by noon time)
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Lecture, homework, and exam schedule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ME 350 – Lecture 3 – Chapter 21 Learning Objectives ! Overview of Machining Technology ! Theory of Chip Formation in Metal Machining ! Force Relationships and the Merchant Equation ! Power and Energy Relationships in Machining ! Cutting Temperature
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As the chip is removed, a new surface is exposed Machining " =
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Machining Operations Most important machining operations: 1. Turning 2. Drilling 3. Milling Other machining operations: Shaping and planing Broaching Sawing
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Single point cutting tool removes material from a rotating workpiece to form a cylindrical shape 1. Turning Used to create a round hole, usually by means of a rotating tool (drill bit) with two cutting edges 2. Drilling
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Rotating multiple-cutting-edge tool is moved across work to cut a plane or straight surface Two forms: 3. Milling
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This note was uploaded on 10/03/2011 for the course ME 350 taught by Professor Staff during the Spring '08 term at University of Illinois, Urbana Champaign.

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Lecture_3_-_theory_of_metal_machining_-_ch_21.20110125.4d3efa9856a430.89348315

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