Chapter 7 – Machining Of metals

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Single point cutting Removal of the metal from the workpiece by means of cutting tools which have one major cutting edge. Suranaree University of Technology Tapany Udomphol Jan-Mar 2007
Multiple point cutting Removal of the metal from the workpiece by means of cutting tools which have more than one major cutting edge. Suranaree University of Technology Tapany Udomphol Jan-Mar 2007
Page 1 and 2: Machining of metals Subjects of int
Page 3 and 4: Introduction Turning of metal www.d
Page 5: Type of machining operations Classi
Page 9 and 10: Electrical discharge machining Remo
Page 11 and 12: Mechanics of machining Geometry of
Page 13 and 14: • The entire chip is deformed as
Page 15 and 16: • The amount of primary shear is
Page 17 and 18: The cutting speed There are three v
Page 19 and 20: Shear strain rate in cutting • d
Page 21 and 22: • If the components of the cuttin
Page 23 and 24: • We need to know the shear angle
Page 25 and 26: cos cos 1 2 ( φ − 6) o Example:
Page 27 and 28: The specific cutting energy U depen
Page 29 and 30: If a toolpost dynamometer gives cut
Page 31 and 32: Type of machining chips Three gener
Page 33 and 34: Chip with a built-up edge (BUE) •
Page 35 and 36: x Three-dimensional Three dimension
Page 37 and 38: Multiple-edge cutting tools Drillin
Page 39 and 40: Temperature in metal cutting Temper
Page 41 and 42: Cutting fluids • The cutting flui
Page 43 and 44: Tool materials and tool life Proper
Page 45 and 46: Two main types of wear in cutting t
Page 47 and 48: Tool materials Carbon and low alloy
Page 49 and 50: Cemented carbides Cemented carbides
Page 51 and 52: Ceramics or oxide tools There are t
Page 53 and 54: Tool performance • Tool performan
Page 55 and 56: Taylor equation • Cutting speed i
Page 57 and 58:
Machinability Definition: The abili
Page 59 and 60:
Grinding process Grinding processes
Page 61 and 62:
• Wheel performance is controlled
Page 63 and 64:
Specific cutting energy The specifi
Page 65 and 66:
Grindability Grindability is measur
Page 67 and 68:
Non-traditional Non traditional mac
Page 69 and 70:
Electrochemical machining (ECM) •
Page 71 and 72:
Chemical machining (CHM) • Metal
Page 73 and 74:
Economics of machining Speed , feed
Page 75 and 76:
3) Cost of tool changing The cost o
Page 77 and 78:
Variation of machining costs with c
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Chapter 7 – Machining Of metals

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