What is a stamping die?

A stamping die is a unique precision tool used to cut and form sheet metal into a specific shape. The die includes cutting and forming components, which are typically made from special hardenable steel (called "tool steel"). You can also make these cutting and forming pieces from other hardwearing materials like carbide.

Stamping is cold forming, in which heat is not applied to the die or sheet. The friction generated by the cutting and forming processes, which generate heat, makes the stamped part of the die very hot. There are many sizes of microelectronics dies available. Some are small enough to fit into your palm, while others can hold up to 20 square inches. They measure 10 ft. in thickness and can be used for making the sides of car bodies.

Types of tooling

There are many types of stamping tools that can perform one of the basic operations, cutting or forming. There are fully automated progressive dies and fully-automatic transfer dies.

Cutting

Cutting is the most popular operation in stamping presses. The metal is cut by placing it between two sections of bypassed steel with a small gap between them. This is known as the cutting gap.

The type of cutting performed, the metal characteristics, and the preferred edge conditions can all affect the cutting gap. Cutting clearances are usually expressed in percentages of the metal thickness. The metal thickness is usually 10%.

There are many different types of cutting operations. Each has its own distinct features. These are the most popular.

Trimming

To give the part the desired shape, the outer edge of a flat metal sheet is cut. Scrap is often discarded if excess metal remains.

Slotting

Slotting is often associated with progressive dies. It is the process of gradually cutting the sheet metal strip's outside to create a particular profile.

Subcutting

Undercutting, a dual-purpose cutting operation, is often performed at a larger scale. This is useful in situations where the block needs to be retained for further pressure processing. It can also be used to cut parts that have been removed from the sheet metal. This is referred to as a blank. It is a sheet of metal that has been removed from the sheet using this process.

Perforating

Perforating is also known as piercing. It is a method in which metal is cut into a flat or formed piece of metal to create a hole that is round, square, or otherwise shaped. Perforating is different from drop-cutting in that the block is removed during perforation and the block used during drop-cutting. A piercing punch is the cutting tool that makes the hole, while a matrix is the one that makes the hole.

Blood Collection

Lancing refers to the act of cutting or slicing metal in order to free it but not to separate it. To produce part carriers, or flexible or stretched webs, cutting is done with a progressive die.

Shearing

This is a common way to create rectangular and square blanks. Shearing cuts straight lines in metal.

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