lathe – turning machine
TRANSCRIPT
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 StockTool 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 StockTool Post
Carriage
Live Center Dead Center
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail StockTool Post
Carriage
Live Center Dead Center
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail StockTool Post
Carriage
Live Center Dead Center
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail StockTool Post
Carriage
Live Center Dead Center
Main Parts of a LATHE
Lathe – Turning Machine
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail StockTool Post
Carriage
Live Center Dead Center
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
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail StockTool 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 StockTool Post
Carriage
Carriage & Tool post
Lathe – Turning Machine
LATHE BED
Head Stock
Guide ways
Tail StockTool Post
Carriage
Live Center Dead Center
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
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 MachineTurning 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 SpecificationsMain 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 SpecificationsMain 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 SpecificationsMain 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 SpecificationsMain 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 SpecificationsMain 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 SpecificationsMain 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