Mold Tech

Stamping die terminology

• 2024-05-20

Mold Part Terminology

Upper die: The upper die is the upper half of the entire die, that is, the die part installed on the slider of the press.

Upper mold base: The upper mold base is the uppermost plate-shaped part of the upper mold. The workpiece is close to the press slider and is fixed with the press slider through the mold handle or directly.

Lower die: The lower die is the lower half of the entire punch die, which is the term for the mold component installed on the work surface of the press.

Upper die: The upper die is the upper half of the entire die, that is, the die part installed on the slider of the press.

Upper mold base: The upper mold base is the uppermost plate-shaped part of the upper mold. The workpiece is close to the press slider and is fixed with the press slider through the mold handle or directly.

Lower die: The lower die is the lower half of the entire die, that is, the die part installed on the work surface of the press.

Lower die base: The lower die base is a plate-shaped part on the bottom of the lower die, which is directly fixed on the press work surface or backing plate during operation.

Blade wall: The blade wall is the side wall of the cutting edge of the punching die hole.

Blade slope: The blade slope is the slope of each side of the edge wall of the punching die hole.

Air cushion: The air cushion is an ejection device powered by compressed air.

Counter-side pressure block: The counter-side pressure block is a part that supports the one-way force-bearing punch from the other side of the working surface.

Guide sleeve: The guide sleeve is a tubular part that provides precise guidance for the relative movement of the upper and lower mold bases. Most of them are fixed in the upper mold base and used in conjunction with the guide pillars fixed on the lower mold base.

Guide plate: The guide plate is a plate-shaped part with an inner hole that precisely slides with the punch. It is used to ensure the mutual alignment of the punch and the concave mold and to discharge materials (pieces).

Guide pillar: The guide pillar is a cylindrical part that provides precise guidance for the relative movement of the upper and lower mold bases. Most of them are fixed on the lower mold base and are used in conjunction with the guide bush fixed on the upper mold base.

Guide pin: The guide pin is a pin-shaped part that extends into the hole of the material to guide its position in the die.

Guide plate mold: Guide plate mold: The plate mold is a punch mold guided by a guide plate. The punch does not leave the guide plate when the mold is used.

Material guide plate: The material guide plate is a plate-shaped guide part that guides the strip (strip, roll) material into the die.

Guide post formwork: Guide post formwork is a formwork in which guide posts and guide sleeves slide against each other.

Die: The die is a process equipment installed on the press and used to produce punched parts. It consists of upper and lower parts that cooperate with each other.

Punch: The punch is a convex working part in the die that directly forms the punched parts, that is, the part whose shape is the working surface.

Concave die: The concave die is a concave working part in the die that directly forms the punched parts, that is, the part with the inner shape as the working surface.

Protective plate: The protective plate is a plate-shaped part that prevents fingers or foreign objects from entering the dangerous area of the die.

Pressing plate (ring): The pressing plate (ring) is a part in the die used to hold down the stamping material or process parts to control the flow of the material. In the drawing die, the pressing plate is mostly called a pressing ring.

Pressing ribs: Pressing ribs are rib-like protrusions in the drawing die or drawing die used to control the flow of material. The pressing ribs can be the local structure of the die or press ring, or they can be embedded in the die or press. Separate parts in the hoop.

Pressure sill: Pressure sill is a special name for the pressure bar with a rectangular cross-section.

Material-bearing plate: The material-bearing plate is a plate-shaped part used to extend the upper plane of the die and support the stamping material.

Side blade: The side blade is a punch that cuts the feeding positioning gap on the side of the strip (strip, roll).

Side pressure plate: The side pressure plate is a plate-shaped part that exerts pressure on one side of the strip (strip, roll) through a spring, urging the other side to be tight against the guide plate.

Ejector: The ejector is a rod-shaped part that directly or indirectly ejects work (process) pieces or materials by upward movement.

Ring gear: The ring gear is a ring of tooth-shaped protrusions on the fine blanking die or the toothed press plate. It is a local structure of the die or the toothed press plate rather than a separate part.

Limit sleeve: The limit sleeve is a tubular part used to limit the minimum closing height of the die. It is generally placed outside the guide post.

Limit column: The limit column is a cylindrical piece that limits the minimum closing height of the die.

Positioning pin (plate): Positioning pin (plate) is a part that ensures that the process parts have a constant position in the mold. It is called positioning pin or positioning plate because of its different shapes.

Fixed plate: The fixed plate is a plate-shaped part that fixes the punch.

Fixed unloading plate: The fixed unloading plate is a unmovable unloading plate fixed on the die.

Fixed stopper pin (plate): Fixed stopper pin (plate) is a stopper pin (plate) that is fixed in the mold.

Unloader: The unloader is a non-plate-shaped part or device that removes work (procedure) parts from the outer surface of the punch. #p#Paging title#e#

Unloading plate: The unloading plate is a fixed or movable plate-shaped part that removes materials or workpieces from the punch. The unloading plate is sometimes integrated with the guide plate and plays the role of guiding the material. It is still called the unloading plate.

Unloading screw: The unloading screw is a screw fixed on the elastic unloading plate and is used to limit the rest position of the elastic unloading plate.

Scrap cutter: There are two types of scrap cutter. 1. The cutter installed on the flange trimming die of the deep-drawing part is used to cut off the entire circle of trimming waste to facilitate removal. 2. A cutter installed on a press or mold and used to cut strips (strips, rolls) of waste materials to a fixed length to facilitate removal.

Initial stopper pin (plate): The initial stopper pin (plate) is a part used for positioning when the starting end of the material is fed. The initially used stopper pins (plates) are all movable.

Pieces: Pieces are the assembled parts that make up a complete die, punch, unloading plate or fixing plate.

Stop (plate): The stop (plate) is a hardened part used to position the material notched by the side blade when it is fed. It is also used to balance the single-sided cutting force on the side blade. Stoppers (plates) are generally used in conjunction with side blades.

 Stopper pin (plate): The stopper pin (plate) is a positioning part for the material along the feeding direction. It is called a stopper pin or a stopper plate because of its different shape. The stopper pin (plate) is a general term for the fixed stopper pin (plate), movable stopper pin (plate), original stopper pin (plate), etc.

Backing plate: The backing plate is a hardened plate-like part between the fixed plate (or die) and the mold base, which is used to reduce the unit compressive stress endured by the mold base.

Composite mold: A composite mold is a punching die that completes two or more processes at the same station in one stroke of the press.

Retaining ring: The retaining ring is a porous tubular part in the ball guide column mold base that accommodates and limits the position of the balls (sub).

Movable stopper pin (plate): The movable stopper pin (plate) is a stopper pin (plate) that can move up and down or left and right in the mold.

Toothed press plate: The toothed press plate is the special name of the press plate in the fine blanking die. It is named because the press surface has a toothed gear.

Push rod: The push rod is a rod-shaped part that directly or indirectly pushes out work (process) parts or waste materials with downward movement.

Floating mold handle: The floating mold handle moves up and down simultaneously with the upper mold base, but the angle between its central axis hole and the plane of the upper mold base can move freely within a certain range.

Push plate: The push plate is a plate-shaped part that moves within the die or module. It directly or indirectly pushes out the work (process) parts or waste materials with downward movement.

Bevel wedge: The bevel wedge is a wedge-shaped part in the mold that changes the direction of linear motion. Most bevel wedges change vertical motion into horizontal motion.

Ejector: The ejector is a stamping auxiliary device installed under the press workbench or under the mold base. It is driven by air pressure, hydraulic pressure, spring, rubber, etc., and provides upward pressure and urges the top plate, ejector pin, etc. of the lower mold. Move up.

Spring pressure discharge plate: The spring pressure discharge plate is a movable discharge plate acted by spring, rubber, hydraulic pressure, air pressure, etc.

Carbide die: Carbide die is a die that uses carbide as the material of the working part of the mold.

Leak hole: The leak hole is a hole that is directly connected to the punching die and is used to remove waste materials or work (process) parts.

Material leakage slope: The leakage slope is the slope of each side of the die hole below the blade wall. The slope of the leakage material is used to make the waste materials or work (process) pieces fall smoothly.

Ball guide column mold base: Ball guide column mold base is a mold base in which the guide pillars and guide sleeves roll the balls (subs) against each other, referred to as the ball guide column mold base.

Die handle: The die handle is a cylindrical part that protrudes from the top surface of the upper die base. It extends into the press slider hole and is clamped and fixed during operation.

Mold base: The mold base is an assembly of upper and lower mold bases, guide posts, and guide sleeves. It can be with or without mold handles. Most mold bases are standard parts.

Mold frame: The mold frame is the base body that accommodates the die pieces.

Top plate: The top plate is a plate-shaped part that moves within the die or module. It directly or indirectly ejects workpieces or waste materials with upward movement.

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