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How Are The Precision Molds Classified?
Nov 16, 2017

In today's society, precision mold has been widely used in people's lives, work and other corners, then you know how precision molds are classified?

First, the precision mould can be classified according to the process property:


A. blanking die produces mold separated from the material along the closed or open contour line. Such as blanking die, piercing die, cutting die, cut die, trimming die, cutting die, etc..


B. bending die causes the sheet blank or other billet to deform along the straight line (bending curve) so as to obtain the die of the workpiece with certain angle and shape.


C. drawing die is a mould which can make blank of sheet metal into open hollow parts or make hollow parts change shape and size further.


D. forming die is to copy the blank or semi-finished workpiece directly according to the shape of the convex and concave die, while the material itself produces only the plastic deformation of the mold. Such as bulging die, necking die, expanding die, fluctuation forming die, flanging die, shaping die, etc..

Two, precision molds can also be classified according to the degree of process combination:


A. single process die in a stroke of the press, only to complete a stamping process of the mold.


The B. compound die has only one working position. In the stroke of the press, the dies of two or more than two stamping processes are completed on the same working station simultaneously.


C. progressive die (also known as continuous die) in the direction of the blank feeding, with two or more stations, in a stroke of the press, in different work stations successively completed two or more than two stamping process mold.

Three, precision molds may be classified according to the processing methods of products: products according to the different processing methods, can be divided into mould die, bending die, drawing die, mold and compression mold five categories.


A.: die is to finish the work to shear, commonly used form of cutting die, blanking die, punching and trimming die, trimming die, broaching die and punching die.


B. bending die: is the smooth hair Peiwan an angle shape, depending on the shape, accuracy and the amount of production, but there are many different forms of mold, such as bending die, bending die, flanging die cam, arc bending die, bending die punching seams and distortion die etc..


C. drawing: drawing die mold is the plane blank made of a seamless container.


D. forming die: to change the shape of embryo with various methods of local deformation. The forms include punch forming die, flanging forming die, necking forming die, hole flanging forming die and round edge forming die.


E. compression mold: the use of strong pressure to make the metal wool embryo flow deformation, become the required shape, its types are extrusion die, embossing die, stamping die, end press die.





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