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Press Tool Operation



TYPES OF CUTTING OPERATION

1

Piercing

 

2

Blanking

 
 

3

Notching

 
 

4

Lancing

 
 

5

Parting off

 
 

6

Cut off

 
 

7

Cropping

 
 

8

Perforating

 
 

9

Nibbling

 
 

10

Louvering

 
 

11

Trimming

 
 

12

Shaving

 


1. Piercing

In this holes are cut on the sheet metal blank is scrap.

2. Blanking

In this Cutting action must be about a complete or enclosed contour. Blank is used part.

3. Notching

This is an operation for removing a piece of scrap from the edge.

4. Lancing

In this operation three side cutting and one side bending operation.

5. Parting off

Cut the material between two components to separate it from parent metal.

6. Cut off

In this operation the cutting action must be along a line.

7. Cropping

This is operation for cutting operation to control the strip movement.

8. Perforating

In this operation maximum number of holes are pierced in single stroke.

9. Nibbling

This is operation for cut out the sheet to size with help of punching.

10. Louvering

In this Three side forming and one side cutting operation.

11. Trimming

This operation for to cut excess material which is left out on the flange of the drawn component.

12. Shaving

This operation give finish cut to the blanks and pierced holes.



TYPES OF NON-CUTTING OPERATION

1

Bending

 

2

Drawing

 
 

3

Embossing

 
 

4

Coining

 
 

5

Bulging

 
 

6

Hemming

 
 

7

Seaming

 
 

8

Curling

 


1. Bending

In this operation bend the sheet at specified angle.

2. Drawing

It is process of changing flat, precut metal blank into hollow vessel.

3. Embossing

This operation created shallow forming at equal thickness.

4. Coining

This is operation of making impression and depression on sheet metal.

5. Bulging

It expands the cups along a narrow band and at the same time reduces the height.

6. Hemming

This is operation for join the two sheets.

7. Seaming

This is the operation of pushing the material inside/outside all around the periphery.

8. Curling

This is the operation of turn the edge inside.



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