Stamping die basics

(the term)
Blanking
Blanking is a stamping process that uses a die to separate part of a material or process piece from another piece of material, work, or waste. Blanking is a general term for separation processes such as cutting, blanking, punching, punching, punching, cutting, cutting, trimming, cutting, cutting, and refurbishing.
Cut open
Incision is a stamping process that places the material partially along the open profile rather than completely. The material that is cut apart and separated is located or substantially in the plane in which it was located prior to separation.

Trimming
The trimming is a stamping process in which the edge of the forming part of the die is trimmed to have a certain diameter, a certain height or a certain shape.

Cut tongue
The tongue is a stamping process that places the material along the open contour rather than completely. The partially separated material has a certain position required by the workpiece and is no longer located on the plane where it was before separation.

Cutting <br> Cutting is a pressing process that separates the material along the open contour, and the separated material becomes a workpiece or a process piece.

Flaring <br> Flaring is a stamping process that expands the openwork of a hollow or tubular member outward.

punching
Punching is a stamping process that separates waste material from a material or process piece along a closed contour to obtain the desired holes in the material or process piece.

The shortage is a stamping process that separates the scrap from the material or process piece along the open profile, and the open profile forms a notch that does not exceed the width.

Flushing
The fluting is a stamping process that separates the waste material from the material or process piece along the open profile, the open profile being grooved and having a depth that exceeds the width.

Punching Center Hole <br> The punching center hole is a stamping process for forming a shallow concave center hole on the surface of the process member, and the back material has no corresponding protrusion.


Fine punching <br> Fine punching is a kind of smooth punching. It uses a fine die with a toothed pressure plate to make the entire section of the punched piece completely or substantially clean.


Continuous Die <br> Continuous die is a die with two or more stations. The material is fed into the station one by one with the press stroke, so that the punch is gradually formed.

Single process mode
The single-step mold is a die that completes only one process in one stroke of the press.

Combined die
The combined die is a universal, adjustable set of die that gradually forms various punches according to geometric elements (straight lines, angles, arcs, holes). The outline of a flat punch generally requires several pairs of combined dies to be punched.


Embossing <br> A embossing process is a stamping process in which a punch is pressed into one side of a process member to force the material into the opposite pit to form a projection.

Embossing <br> Embossing is a stamping process in which a partially extruded material is forced to form a concave pattern on the surface of the process piece, pattern, text or symbol. The back of the embossed surface does not have a projection corresponding to the dimple.


Forming <br> Forming is a collective term for a stamping process that relies on material flow without relying on material separation to change the shape and size of the process parts.

Smooth and clean <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br> Twisting and twisting is a stamping process in which a portion of a straight or partially straight process member is twisted at an angle relative to another portion.

Crimping <br> Crimping is a stamping process that rolls the edge of a process part into a closed circle. The axis of the curled circle is linear.

Rolling Edge <br> The crimping edge is a stamping process in which the upper edge of the hollow member is wound into a nearly closed circle.

Drawing <br> Drawing is a stamping process in which a straight wool or process piece is curved. The surface is mainly formed by the extension of the material at the bottom of the punch.

Pulling and bending <br> Pulling and bending is a stamping process in which bending deformation is achieved under the action of tension and bending moment, and the entire bending cross section is subjected to tensile stress.

Bulging <br> Bulging is a stamping process that expands a hollow member or a tubular member radially outward.

Sectioning <br> Sectioning is a type of stamping process that divides the forming process into several parts.

Leveling <br> Leveling is a stamping process that improves the flatness of partially or integral flat parts.

Undulating forming <br> The undulating forming is a stamping process in which the process member is partially recessed or raised by the extension of the material. The change in material thickness in the undulating formation is unintentional, that is, a small change in thickness is naturally formed during the deformation process, and is not a design-specified requirement.

Bending <br> Bending is a stamping process in which the material is plastically deformed by pressure and bent into a shape having a certain curvature and a certain angle.

Chiseling
Chiseling is a blanking or punching process using a chiseling die with a sharp edge. There is no die under the chiseling. The pad under the material is only a flat plate, and most of the material to be punched is non-metal.


Deep hole punching <br> Deep hole punching is a punching process when the hole diameter is equal to or smaller than the thickness of the material to be punched.

Blanking <br> Blanking is a stamping process that separates material along a closed contour. The separated material becomes a workpiece or process, most of which is planar.


Shrinking <br> Shrinking is a stamping process in which the opening of a hollow member or a tubular member is pressurized to reduce it.


Shaping
Shaping is a stamping process that relies on the flow of material and changes the shape and size of the process piece to ensure the accuracy of the workpiece.


Renovation
Renovation is a stamping process that cuts a small amount of material along a contour or inner contour to improve edge finish and verticality. The refurbishing process generally also increases the dimensional accuracy.

Flip hole <br> Flip hole is a stamping process that turns material around the inner hole into a side flange.

Flanging
The cuff is a stamping process that turns the material around the profile curve into a side short edge.


Deep drawing <br> Deep drawing is a stamping process in which a straight wool or process piece is turned into a hollow piece, or the hollow piece is further changed in shape and size. When drawing, the hollow member is mainly formed by flowing a material other than the bottom of the punch into the die.

Continuous drawing <br> Continuous drawing is a stamping method in which the same shape (volume) is used to form a desired shape and size by multiple drawing with the same pair of molds (continuous drawing die).

Thinning and deep drawing <br> Thinning and drawing is a deep drawing process in which the hollow process member is further changed in shape and size, and the side wall is intentionally thinned.

Anti-deep drawing <br> Anti-deep drawing is a deep drawing process in which the inner wall of the hollow process piece is everted.

Differential temperature drawing
Differential temperature drawing is a deep drawing process in which the temperature of the material to be deformed is much higher than the temperature of the material of the deformed portion by heating and cooling means, thereby increasing the degree of deformation.

Hydraulic Deep Drawing <br> Hydraulic drawing is a deep drawing process that uses a liquid contained in a rigid or flexible container instead of a punch or a die to form a hollow part.

Reinforcement <br> Reinforcement is a type of undulation. When the local undulations appear in the form of ribs, the corresponding undulating forming process is called embossing.

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