1. AUTOMOBILE ENGINEERING DEPT.
ENROLLMENT NO.
NAME
Tandel Dhanraj
Tandel Dixit
Upadhyay Rishabh
Vadodariya Kevin
Vaghamsinh Jignesh
Guided by: Prof. Ashish Jain

2. Sawing
Guided by: Prof. Ashish Jain

3. Sawing Hacksaws Circular saws Band saws Friction sawing
Sawing is an old common operation dating back to around 1000 B.C
Sawing is an efficient bulk removal process and can produce near net shape materials
The process wastes little material
Most common use of saws
Hacksaws
Circular saws
Band saws
Friction sawing
Guided by: Prof. Ashish Jain

4. Samples of various sawing operations
Guided by: Prof. Ashish Jain

5. Saw Teeth and Burs
Fig : High-speed steel teeth welded on steel blade. (b) Carbide inserts brazed to blade teeth.
Fig : Types of burs.
Guided by: Prof. Ashish Jain

6. Types of Saw Teeth
Fig : (a) Terminology for saw teeth. (b) Types of tooth set on saw teeth, staggered to provide clearance for the saw blade to prevent binding during sawing.
Guided by: Prof. Ashish Jain

7. Hacksaws Hacksaws were developed in the 1960’s.
Good for cutting off bars, rods, and structural shapes
Guided by: Prof. Ashish Jain

8. Power hacksaws
Fast
They work smoothly and efficiently even under heavy-duty operation. With normal care these machines are indestructible.
Guided by: Prof. Ashish Jain

9. Circular sawing
Circular sawing is a multipoint cutting process in which a circular tool is advanced against a stationary work piece to sever parts or produce narrow slots.
Uses thin circular blades with teeth on periphery
Rotating blade is fed into a stationary work piece
Produces a narrow cut and a good surface finish
Guided by: Prof. Ashish Jain

10. Guided by: Prof. Ashish Jain

11. Diamond Saw Blades For Marble And Limestone
Circular saws also called cold saws when cutting metal
They are used for high production rate sawing
Cold sawing is used in industry very commonly particularly for cutting large crossed sections.
Diamond Saw Blades For Marble And Limestone
saw blade for plastics
Guided by: Prof. Ashish Jain

12. Band saw Uses a flexible steel band with a toothed edge
Work pieces are fed into the cutting edge on vertical machines
Can produce straight, irregular, or curved cuts
Guided by: Prof. Ashish Jain

13. Friction sawing Work pieces are fed into a continuously moving band
Produces fine, accurate work
Is a finishing operation in which small amounts of material are removed
Guided by: Prof. Ashish Jain

14. THANK YOU!!!
Guided by: Prof. Ashish Jain