lathe – turning machine

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UNIT - 2 Lathe – The turning Machine

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Page 1: Lathe – turning machine

UNIT - 2

Lathe – The turning Machine

Page 2: Lathe – turning machine

1. Block diagram of a Lathe

2. Main parts of a Lathe

3. Turning parameters

4. Lathe specifications

Page 3: Lathe – turning machine

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”.

Page 4: Lathe – turning machine

Lathe – Turning Machine

PICTORIAL VIEW OF A LATHE

Page 5: Lathe – turning machine
Page 6: Lathe – turning machine

Lathe – Turning Machine

PICTORIAL VIEW OF A LATHE

(with various parts marked)

Page 7: Lathe – turning machine
Page 8: Lathe – turning machine

Lathe – Turning Machine

BLOCK DIAGRAM OF A LATHE

Page 9: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail StockTool Post

Carriage

Live Center Dead Center

Page 10: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Page 11: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Guide ways

Page 12: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Page 13: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail Stock

Page 14: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail Stock

Live Center

Page 15: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail Stock

Live Center

Lathe Axis

Page 16: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail Stock

Live Center Dead Center

Page 17: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail Stock

Carriage

Live Center Dead Center

Page 18: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail StockTool Post

Carriage

Live Center Dead Center

Page 19: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail StockTool Post

Carriage

Live Center Dead Center

Page 20: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail StockTool Post

Carriage

Live Center Dead Center

Page 21: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail StockTool Post

Carriage

Live Center Dead Center

Page 22: Lathe – turning machine
Page 23: Lathe – turning machine

Main Parts of a LATHE

Lathe – Turning Machine

Page 24: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail StockTool Post

Carriage

Live Center Dead Center

Page 25: Lathe – turning machine

Main Parts of a LATHE1. Lathe Bed & Guide ways

2. Head Stock

3. Tail Stock

4. Carriage & Tool Post

5. Feed Mechanism

6. Thread Cutting Mechanism

Lathe – Turning Machine

Page 26: Lathe – turning machine
Page 27: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail StockTool Post

Carriage

Live Center Dead Center

Page 28: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Guide ways

Page 29: Lathe – turning machine

Lathe Bed & Guide Ways

Page 30: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Page 31: Lathe – turning machine

Head Stock

Page 32: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail Stock

Page 33: Lathe – turning machine

Tail Stock

Page 34: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail StockTool Post

Carriage

Page 35: Lathe – turning machine

Carriage & Tool post

Page 36: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail StockTool Post

Carriage

Live Center Dead Center

Page 37: Lathe – turning machine

Main Parts of a LATHE1. Lathe Bed & Guide ways

2. Head Stock

3. Tail Stock

4. Carriage & Tool Post

5. Feed Mechanism

6. Thread Cutting Mechanism

Lathe – Turning Machine

Page 38: Lathe – turning machine
Page 39: Lathe – turning machine

Turning Parameters

Lathe – Turning Machine

Page 40: Lathe – turning machine

Turning Parameters

1. Speed

2. Feed

3. Depth of Cut

Lathe – Turning Machine

Page 41: Lathe – turning machine

Lathe – Turning Machine

Lathe Spindle

Lathe Tool

Page 42: Lathe – turning machine

Lathe – Turning Machine

Lathe Spindle

Lathe Tool

Page 43: Lathe – turning machine

Lathe – Turning Machine

Lathe Spindle

Lathe Tool

Page 44: Lathe – turning machine

Lathe – Turning Machine

Lathe Tool

Page 45: Lathe – turning machine

Lathe – Turning Machine

Lathe Spindle

Lathe Tool

Page 46: Lathe – turning machine

Lathe – Turning Machine

Lathe Spindle

Lathe Tool

Page 47: Lathe – turning machine

Lathe – Turning Machine

Lathe Spindle

Lathe Tool

Page 48: Lathe – turning machine

Lathe – Turning Machine

Lathe Spindle

Lathe Tool

Page 49: Lathe – turning machine

Turning Parameters

1. Speed

2. Feed

3. Depth of Cut

Lathe – Turning Machine

Longitudinal Feed

Cross Feed

Page 50: Lathe – turning machine

Lathe – Turning MachineTurning Parameters:

LATHE Head Stock Spindle

Lathe Tool

Speed

Feed

Depth of Cut

TOP VIEW

Lathe Axis

Page 51: Lathe – turning machine
Page 52: Lathe – turning machine

Lathe Specifications

Main Specifications of a LATHE

Page 53: Lathe – turning machine

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 SpecificationsMain Specifications of a LATHE

Page 54: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail Stock

Carriage

Length b/n centers

Tool Post

Page 55: Lathe – turning machine

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 SpecificationsMain Specifications of a LATHE

Page 56: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail Stock

Carriage

Height of the centers

Tool Post

Page 57: Lathe – turning machine

2. Height of the centers

“It is the distance between the lathe axis and the lathe bed”.

Lathe SpecificationsMain Specifications of a LATHE

Page 58: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail Stock

Carriage

Swing diameter over the bed

Tool Post

Page 59: Lathe – turning machine

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 SpecificationsMain Specifications of a LATHE

Page 60: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Head Stock

Guide ways

Tail Stock

Carriage

Swing diameter over the carriage

Tool Post

Page 61: Lathe – turning machine

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 SpecificationsMain Specifications of a LATHE

Page 62: Lathe – turning machine

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 SpecificationsMain Specifications of a LATHE

Page 63: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Guide ways

Tail Stock

Carriage

Head Stock Tool Post

Page 64: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Guide ways

Tail Stock

Carriage

Head Stock Tool Post

Work piece passing through the hole of the HEAD STOCK

Page 65: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Guide ways

Tail Stock

Carriage

Head Stock Tool Post

Work piece passing through the hole of the HEAD STOCK

Page 66: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Guide ways

Tail Stock

Carriage

Head Stock Tool Post

Work piece passing through the hole of the HEAD STOCK

Page 67: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Guide ways

Tail Stock

Carriage

Head Stock Tool Post

Work piece passing through the hole of the HEAD STOCK

Page 68: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Guide ways

Tail Stock

Carriage

Head Stock Tool Post

Work piece passing through the hole of the HEAD STOCK

Page 69: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Guide ways

Tail Stock

Carriage

Head Stock Tool Post

Work piece passing through the hole of the HEAD STOCK

Page 70: Lathe – turning machine

Lathe – Turning Machine

LATHE BED

Guide ways

Tail Stock

Carriage

Head Stock Tool Post

Work piece passing through the hole of the HEAD STOCK

Page 71: Lathe – turning machine

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

Page 72: Lathe – turning machine

1. Block diagram of a Lathe

2. Main parts of a Lathe

3. Turning parameters

4. Lathe specifications

Page 73: Lathe – turning machine