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Machining and Machine Tools

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Machining and Machine Tools Metal Cutting Operations Turning Turning MRR = vfd Lathe Machining Operation - Lathe Taper turning Work Holding Turret Lathe Boring ... – PowerPoint PPT presentation

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Title: Machining and Machine Tools


1
Machining and Machine Tools
2
Metal Cutting Operations
  • Turning

Drilling
Horizontal Milling
Vertical Milling
3
Turning
http//www.youtube.com/watch?v86-xKFbdnOofeature
PlayListp3AFB507B668AF162index37
  • MRR vfd

4
Lathe
5
Machining Operation - Lathe
Contour turning
Form turning
Facing
  • Taper turning

Chamfering
Cutoff
Threading
Boring
Drilling
Knurling
6
Work Holding
Dog and centre / Between centres
Three-jaw chuck
Face plate
Collet
7
Turret Lathe
http//www.youtube.com/watch?vgr4aN23XGz0
Form second diameter and spotface
Drill
Turning main diameter
Chamfer
Part
Feed stock
Cutoff
8
Boring
Boring bar on tool post
Boring bar between centres
Vertical milling machine
9
Drilling Machine
10
Drilling
http//www.youtube.com/watch?vbRXUVhubo7gfeature
PlayListp3AFB507B668AF162index40
  • MRR ? D2fr / 4

Through hole
Blind hole
11
Drilling Operations
http//www.youtube.com/watch?vvCHQLFZHHJcfeature
PlayListp3AFB507B668AF162index38
Reaming
Tapping
Counterboring
Centre drilling
Spot facing
Countersinking
12
Milling Machines
Horizontal milling machine
Vertical milling machine
http//www.youtube.com/watch?vKpAHw41NxuY
13
Milling Machines
Universal milling machine
Ram type machine
Simplex bed-type milling machine
14
Milling Operations
Face milling
Peripheral / plain milling
Slab milling
Slotting
Side milling
Straddle milling
15
Milling Operations
Up cutting
Down cutting
16
Face Milling
http//www.youtube.com/watch?vSeGQ91FKTNgfeature
PlayListp3AFB507B668AF162index39
Conventional milling
Partial face milling
End milling
Surface contouring
Pocket milling
Profile milling
http//www.youtube.com/watch?vp3-o_vdj-Egfeature
PlayListp3AFB507B668AF162index31
17
Milling Cutter
  • MRR wdfr

18
Milling Cutters
  • Milling cutters with inserts

http//www.youtube.com/watch?v0ROfDww8UVMfeature
channel
19
Face Milling
20
Machining Centre
Part
21
Shaping / Planing
http//www.youtube.com/watch?vJkftVHaMQSs
22
Shaping and Broaching
Shape cut by shaping
Broaching operation
23
Broaching
http//www.youtube.com/watch?v2K45B6tDqsgfeature
PlayListp3AFB507B668AF162index21
Broach
Internal broach
24
Broached Shapes
25
Sawing
Power hacksaw
Band saw
Circular saw
26
Saw Blades
Tooth forms
Tooth sets
27
Parts Classification
Rotational Parts
Non-rotational Parts
28
(No Transcript)
29
(No Transcript)
30
Effect of Geometric Factors
Nose radius
Feed
End cutting edge angle
31
Machinability Rating
32
Actual Surface Roughness
33
Cutting Speed Optimization
34
Cost Optimization
35
Product Design Considerations
  • Net-shape manufacturing, if possible
  • Tolerances specified for functional needs
  • Surface finish specified for functional needs
  • Sharp corners should be avoided
  • Avoid undercuts
  • Deep holes should be avoided
  • Use standard stock sizes as far as possible
  • Use standard tooling as far as possible
  • Use materials with good machinability
  • Minimum machining set-up
  • Parts should be able to withstand cutting force

http//www.youtube.com/watch?vQsmiIeAkE-o
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