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UNIT - 2
Lathe – The turning Machine
1. Block diagram of a Lathe
2. Main parts of a Lathe
3. Turning parameters
4. Lathe specifications
Lathe – Turning Machine
Turning:
“It is defined as a manufacturing
process where material is removed from a
rotating work piece with the help of a tool
which moves linearly”.
Lathe – Turning Machine
PICTORIAL VIEW OF A LATHE
Lathe – Turning Machine
PICTORIAL VIEW OF A LATHE
(with various parts marked)
Lathe – Turning Machine
BLOCK DIAGRAM OF A LATHE
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Tool
Post
Carriage
Live Center Dead Center
Lathe – Turning Machine
LATHE BED
Lathe – Turning Machine
LATHE BED
Guide ways
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Live Center
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Live Center
Lathe Axis
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Live Center Dead Center
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Carriage
Live Center Dead Center
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Tool
Post
Carriage
Live Center Dead Center
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Tool
Post
Carriage
Live Center Dead Center
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Tool
Post
Carriage
Live Center Dead Center
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Tool
Post
Carriage
Live Center Dead Center
Main Parts of a LATHE
Lathe – Turning Machine
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Tool
Post
Carriage
Live Center Dead Center
Main Parts of a LATHE
1. Lathe Bed & Guide ways
2. Head Stock
3. Tail Stock
4. Carriage & Tool Post
5. Feed Mechanism
6. Thread Cutting Mechanism
Lathe – Turning Machine
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Tool
Post
Carriage
Live Center Dead Center
Lathe – Turning Machine
LATHE BED
Guide ways
Lathe Bed & Guide Ways
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Head Stock
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Tail Stock
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Tool
Post
Carriage
Carriage & Tool post
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Tool
Post
Carriage
Live Center Dead Center
Main Parts of a LATHE
1. Lathe Bed & Guide ways
2. Head Stock
3. Tail Stock
4. Carriage & Tool Post
5. Feed Mechanism
6. Thread Cutting Mechanism
Lathe – Turning Machine
Turning Parameters
Lathe – Turning Machine
Turning Parameters
1. Speed
2. Feed
3. Depth of Cut
Lathe – Turning Machine
Lathe – Turning Machine
Lathe Spindle
Lathe Tool
Lathe – Turning Machine
Lathe Spindle
Lathe Tool
Lathe – Turning Machine
Lathe Spindle
Lathe Tool
Lathe – Turning Machine
Lathe Tool
Lathe – Turning Machine
Lathe Spindle
Lathe Tool
Lathe – Turning Machine
Lathe Spindle
Lathe Tool
Lathe – Turning Machine
Lathe Spindle
Lathe Tool
Lathe – Turning Machine
Lathe Spindle
Lathe Tool
Turning Parameters
1. Speed
2. Feed
3. Depth of Cut
Lathe – Turning Machine
Longitudinal Feed
Cross Feed
Lathe – Turning Machine
Turning Parameters:
LATHE
Head Stock
Spindle
Lathe
Tool
Speed
Feed
Depth of Cut
TOP VIEW
Lathe
Axis
Lathe Specifications
Main Specifications of a LATHE
1. Height of the centers
2. Swing diameter over the bed
3. Swing over the carriage
4. Length between the centers
5. Maximum bar diameter
Lathe Specifications
Main Specifications of a LATHE
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Carriage
Length b/n centers
Tool
Post
1. Length between the centers
“It is the measure of the
maximum length of the work piece
that can be fixed between the lathe
centers”.
Lathe Specifications
Main Specifications of a LATHE
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Carriage
Height of the centers
Tool
Post
2. Height of the centers
“It is the distance between
the lathe axis and the lathe bed”.
Lathe Specifications
Main Specifications of a LATHE
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Carriage
Swing diameter over the bed
Tool
Post
3. Swing diameter over the bed
“It is the maximum
diameter of the work piece that
can be turned on a lathe
without hitting the lathe bed”.
Lathe Specifications
Main Specifications of a LATHE
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail Stock
Carriage
Swing diameter over the carriage
Tool
Post
4. Swing diameter over the carriage
“It is the maximum diameter of
the work piece that can be turned
on a lathe without hitting the
carriage”.
Lathe Specifications
Main Specifications of a LATHE
5. Maximum bar diameter
“It is the maximum diameter
of the work piece that can be
passed through the hole in the head
stock”.
Lathe Specifications
Main Specifications of a LATHE
Lathe – Turning Machine
LATHE BED
Guide ways
Tail Stock
Carriage
Head Stock
Tool
Post
Lathe – Turning Machine
LATHE BED
Guide ways
Tail Stock
Carriage
Head Stock
Tool
Post
Work piece passing through the hole of the HEAD STOCK
Lathe – Turning Machine
LATHE BED
Guide ways
Tail Stock
Carriage
Head Stock
Tool
Post
Work piece passing through the hole of the HEAD STOCK
Lathe – Turning Machine
LATHE BED
Guide ways
Tail Stock
Carriage
Head Stock
Tool
Post
Work piece passing through the hole of the HEAD STOCK
Lathe – Turning Machine
LATHE BED
Guide ways
Tail Stock
Carriage
Head Stock
Tool
Post
Work piece passing through the hole of the HEAD STOCK
Lathe – Turning Machine
LATHE BED
Guide ways
Tail Stock
Carriage
Head Stock
Tool
Post
Work piece passing through the hole of the HEAD STOCK
Lathe – Turning Machine
LATHE BED
Guide ways
Tail Stock
Carriage
Head Stock
Tool
Post
Work piece passing through the hole of the HEAD STOCK
Lathe – Turning Machine
LATHE BED
Guide ways
Tail Stock
Carriage
Head Stock
Tool
Post
Work piece passing through the hole of the HEAD STOCK
Lathe – Turning Machine
LATHE BED
Guide ways
Tail Stock
Carriage
Head Stock
Tool
Post
Maximum diameter of the Work piece that can be passed
through the hole of the HEAD STOCK
1. Block diagram of a Lathe
2. Main parts of a Lathe
3. Turning parameters
4. Lathe specifications
Lathe – turning machine

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Lathe – turning machine

  • 1. UNIT - 2 Lathe – The turning Machine
  • 2. 1. Block diagram of a Lathe 2. Main parts of a Lathe 3. Turning parameters 4. Lathe specifications
  • 3. Lathe – Turning Machine Turning: “It is defined as a manufacturing process where material is removed from a rotating work piece with the help of a tool which moves linearly”.
  • 4. Lathe – Turning Machine PICTORIAL VIEW OF A LATHE
  • 5.
  • 6. Lathe – Turning Machine PICTORIAL VIEW OF A LATHE (with various parts marked)
  • 7.
  • 8. Lathe – Turning Machine BLOCK DIAGRAM OF A LATHE
  • 9. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Tool Post Carriage Live Center Dead Center
  • 10. Lathe – Turning Machine LATHE BED
  • 11. Lathe – Turning Machine LATHE BED Guide ways
  • 12. Lathe – Turning Machine LATHE BED Head Stock Guide ways
  • 13. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock
  • 14. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Live Center
  • 15. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Live Center Lathe Axis
  • 16. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Live Center Dead Center
  • 17. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Carriage Live Center Dead Center
  • 18. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Tool Post Carriage Live Center Dead Center
  • 19. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Tool Post Carriage Live Center Dead Center
  • 20. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Tool Post Carriage Live Center Dead Center
  • 21. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Tool Post Carriage Live Center Dead Center
  • 22.
  • 23. Main Parts of a LATHE Lathe – Turning Machine
  • 24. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Tool Post Carriage Live Center Dead Center
  • 25. Main Parts of a LATHE 1. Lathe Bed & Guide ways 2. Head Stock 3. Tail Stock 4. Carriage & Tool Post 5. Feed Mechanism 6. Thread Cutting Mechanism Lathe – Turning Machine
  • 26.
  • 27. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Tool Post Carriage Live Center Dead Center
  • 28. Lathe – Turning Machine LATHE BED Guide ways
  • 29. Lathe Bed & Guide Ways
  • 30. Lathe – Turning Machine LATHE BED Head Stock Guide ways
  • 32. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock
  • 34. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Tool Post Carriage
  • 36. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Tool Post Carriage Live Center Dead Center
  • 37. Main Parts of a LATHE 1. Lathe Bed & Guide ways 2. Head Stock 3. Tail Stock 4. Carriage & Tool Post 5. Feed Mechanism 6. Thread Cutting Mechanism Lathe – Turning Machine
  • 38.
  • 39. Turning Parameters Lathe – Turning Machine
  • 40. Turning Parameters 1. Speed 2. Feed 3. Depth of Cut Lathe – Turning Machine
  • 41. Lathe – Turning Machine Lathe Spindle Lathe Tool
  • 42. Lathe – Turning Machine Lathe Spindle Lathe Tool
  • 43. Lathe – Turning Machine Lathe Spindle Lathe Tool
  • 44. Lathe – Turning Machine Lathe Tool
  • 45. Lathe – Turning Machine Lathe Spindle Lathe Tool
  • 46. Lathe – Turning Machine Lathe Spindle Lathe Tool
  • 47. Lathe – Turning Machine Lathe Spindle Lathe Tool
  • 48. Lathe – Turning Machine Lathe Spindle Lathe Tool
  • 49. Turning Parameters 1. Speed 2. Feed 3. Depth of Cut Lathe – Turning Machine Longitudinal Feed Cross Feed
  • 50. Lathe – Turning Machine Turning Parameters: LATHE Head Stock Spindle Lathe Tool Speed Feed Depth of Cut TOP VIEW Lathe Axis
  • 51.
  • 53. 1. Height of the centers 2. Swing diameter over the bed 3. Swing over the carriage 4. Length between the centers 5. Maximum bar diameter Lathe Specifications Main Specifications of a LATHE
  • 54. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Carriage Length b/n centers Tool Post
  • 55. 1. Length between the centers “It is the measure of the maximum length of the work piece that can be fixed between the lathe centers”. Lathe Specifications Main Specifications of a LATHE
  • 56. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Carriage Height of the centers Tool Post
  • 57. 2. Height of the centers “It is the distance between the lathe axis and the lathe bed”. Lathe Specifications Main Specifications of a LATHE
  • 58. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Carriage Swing diameter over the bed Tool Post
  • 59. 3. Swing diameter over the bed “It is the maximum diameter of the work piece that can be turned on a lathe without hitting the lathe bed”. Lathe Specifications Main Specifications of a LATHE
  • 60. Lathe – Turning Machine LATHE BED Head Stock Guide ways Tail Stock Carriage Swing diameter over the carriage Tool Post
  • 61. 4. Swing diameter over the carriage “It is the maximum diameter of the work piece that can be turned on a lathe without hitting the carriage”. Lathe Specifications Main Specifications of a LATHE
  • 62. 5. Maximum bar diameter “It is the maximum diameter of the work piece that can be passed through the hole in the head stock”. Lathe Specifications Main Specifications of a LATHE
  • 63. Lathe – Turning Machine LATHE BED Guide ways Tail Stock Carriage Head Stock Tool Post
  • 64. Lathe – Turning Machine LATHE BED Guide ways Tail Stock Carriage Head Stock Tool Post Work piece passing through the hole of the HEAD STOCK
  • 65. Lathe – Turning Machine LATHE BED Guide ways Tail Stock Carriage Head Stock Tool Post Work piece passing through the hole of the HEAD STOCK
  • 66. Lathe – Turning Machine LATHE BED Guide ways Tail Stock Carriage Head Stock Tool Post Work piece passing through the hole of the HEAD STOCK
  • 67. Lathe – Turning Machine LATHE BED Guide ways Tail Stock Carriage Head Stock Tool Post Work piece passing through the hole of the HEAD STOCK
  • 68. Lathe – Turning Machine LATHE BED Guide ways Tail Stock Carriage Head Stock Tool Post Work piece passing through the hole of the HEAD STOCK
  • 69. Lathe – Turning Machine LATHE BED Guide ways Tail Stock Carriage Head Stock Tool Post Work piece passing through the hole of the HEAD STOCK
  • 70. Lathe – Turning Machine LATHE BED Guide ways Tail Stock Carriage Head Stock Tool Post Work piece passing through the hole of the HEAD STOCK
  • 71. Lathe – Turning Machine LATHE BED Guide ways Tail Stock Carriage Head Stock Tool Post Maximum diameter of the Work piece that can be passed through the hole of the HEAD STOCK
  • 72. 1. Block diagram of a Lathe 2. Main parts of a Lathe 3. Turning parameters 4. Lathe specifications