| Blanking is a process of creating a blank out of a | | | | Fine blanking can be done on metals such as brass, |
| whole sheet of metal or from a plate of metal. The | | | | aluminium, copper, alloy, carbon and also on stainless |
| process makes use of the punch and dies method to | | | | steel. Fine blanking is carried out with the specialised |
| carry out the blanking. The punch and die is used to | | | | presses, which differ from the normal ones due to |
| pierce out the blank from the metal sheet, and the | | | | the addition of some crucial pieces of equipment. A |
| left over metal is the scrap. | | | | fine blanking press consists of a hard die punch which |
| A special kind of blanking process is the Fine blanking. | | | | is the male, and a toughened blanking die whish is the |
| The difference here is that a fracture zone is not | | | | female, plus a guide plate that is similar to the |
| formed while shearing the blank metal. The entire | | | | blanking die’s shape. The material is initially |
| metal sheet is compressed between two | | | | brought into contact with the guide plate, and then |
| counter-pressure areas, and then the punches on the | | | | the stinger impinges the material along its sides. Thus |
| upper side and lower side remove the blank from the | | | | the guide plate holds the material steady while a |
| whole set. This gives the entire blanking process a | | | | counter pressure is applied, and the blanking is done |
| tight tolerance, and does not even require any form | | | | in a manner very much like extrusion. |
| of secondary action. | | | | |