1. Machining Processes

2. Prepared by Dr. Mohamed Ahmed Awad
Machining Processes
Turning rotates a cylindrical workpiece, while a single-point tool cuts along its length.
Drilling rotates a multi-point tool and guides it into the workpiece to create a hole.
Shaping moves a single cutting tools along flat surface
Milling rotates a multi-point tool and guides it along a workpiece to create flat. 2
Prepared by Dr. Mohamed Ahmed Awad

3. Prepared by Dr. Mohamed Ahmed Awad
Machining Processes
Traditional cutting includes Three major types of operations:
Turning rotates a cylindrical workpiece, while a single-point tool cuts along its length
Drilling rotates a multi-point tool and guides it into the workpiece to create a hole.
Shaping moves a single cutting tools along flat surface 3
Prepared by Dr. Mohamed Ahmed Awad

4. Prepared by Dr. Mohamed Ahmed Awad
Turning 4
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5. Cutting variables in Turning
point 5
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6. Prepared by Dr. Mohamed Ahmed Awad
Turning Operations
Cylindrical
Facing
Drilling
Recessing
Taper 6
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7. Prepared by Dr. Mohamed Ahmed Awad
Turning Cutting Tools 7
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8. Types of Lathes
Lab6: Roundness Test
9/19/2018

9. Turning Process - Lathe9
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10. Prepared by Dr. Mohamed Ahmed Awad
Chuck 10
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11. Carriage and compound rest11
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12. Cutting Variables in turning12
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Operations 13
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14. Types of motions in turning14
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Longitudinal Turning 15
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Taper Turning 16
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Facing 17
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Chamfering 18
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Contour Turning 19
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Grooving 20
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Recessing 21
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Parting Off 22
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Drilling 23
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Boring 24
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25. Lab6: Roundness Test
9/19/2018

26. Lab6: Roundness Test
9/19/2018

27. Lab6: Roundness Test
9/19/2018

28. Lab6: Roundness Test
9/19/2018

29. Lab6: Roundness Test
9/19/2018

30. Lab6: Roundness Test
9/19/2018

31. Lab6: Roundness Test
9/19/2018

32. Lab6: Roundness Test
9/19/2018

33. Lab6: Roundness Test
9/19/2018

34. Prepared by Dr. Mohamed Ahmed Awad
Milling 34
Prepared by Dr. Mohamed Ahmed Awad

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End Milling 35
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Pocket Milling 36
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Face Milling 37
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Counter Boring 38
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Counter Sinking 39
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Tapping 40
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Milling 41
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42. Prepared by Dr. Mohamed Ahmed Awad
Milling Types 42
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43. Prepared by Dr. Mohamed Ahmed Awad
Milling Cutters 43
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44. Prepared by Dr. Mohamed Ahmed Awad
Milling Operations 44
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Milling Machine Types 45
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Milling machine Parts 46
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47. Prepared by Dr. Mohamed Ahmed Awad
Drilling Process 47
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48. Cutting Variables in Drilling48
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49. Drilling Tool (Twist Drill)49
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50. Prepared by Dr. Mohamed Ahmed Awad
Drilling Operations 50
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51. Prepared by Dr. Mohamed Ahmed Awad
Drilling Operations 51
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52. Shaping

53. Shaping
Lab6: Roundness Test
9/19/2018

54. Lab6: Roundness Test
9/19/2018

55. Lab6: Roundness Test
9/19/2018

56. Prepared by Dr. Mohamed Ahmed Awad
Cutting Tool
Single point Cutting tool 56
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57. Prepared by Dr. Mohamed Ahmed Awad
Grinding 57
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58. Prepared by Dr. Mohamed Ahmed Awad
Grinding process
Grinding is most often used to produce parts that require very precise features.
In fact, a typical precision part may be traditionally machined first to remove material, and then machined with grinding to create the smoother surface and most accurate features. 58
Prepared by Dr. Mohamed Ahmed Awad

59. Cutting Variable in Grinding59
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60. Prepared by Dr. Mohamed Ahmed Awad
Surface Grinding 60
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61. Prepared by Dr. Mohamed Ahmed Awad
Cylindrical Grinding 61
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62. Cutting Speed Feed Turning Milling
Number of revs per minute = cutting speed in metres per minute = cutting speed x 1000
Circumference  x Diameter in mm
Feed
The amount the work / tool moves per revolution of the cutter given in mm per revolution
The amount the work / tool moves per unit of time given in mm per minute
Turning
FEED PER MINUTE = FEED PER REVOLUTION X NUMBER OF REVOLUTIONS PER MINUTE
 Milling
FEED PER MINUTE = FEED PER TOOTH X NUMBER OF TEETH X NUMBER OF REVOLUTIONS PER MIN
Lab6: Roundness Test
9/19/2018

63. Lathe tools
Lab6: Roundness Test
9/19/2018

64. Milling Cutters Side/face mill Face mill Slab mill Slot mill End mill
Slitting Saw
Lab6: Roundness Test
9/19/2018

65. Shaping tools
Lab6: Roundness Test
9/19/2018

66. Drilling tools
Lab6: Roundness Test
9/19/2018

67. Grinding Types
Lab6: Roundness Test
9/19/2018

68. Surface Grinding
Lab6: Roundness Test
9/19/2018