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    What is the definition of die and mould?
    Mold is a kind of production tool, which can produce parts of specified shape and size according to customer requirements. In our daily life, mold products are everywhere, about 80% of the objects are made by mold processing, such as plastic basin, water cup, rice cooker, computer, mobile phone and many parts on the car are produced by mold. The mold has powerful function and wide application, so it is called "mother of industry" and loved by the majority of users.
    1、 Definition and types of mould
    1. Definition of mould
    Mold is an industrial product, which is made of specific structure and material. Mold can produce industrial parts with certain shape and size in large quantities, from aircraft and automobile to nails and screws. The parts produced by mould have the characteristics of high precision, high consistency and high productivity. These advantages are incomparable to any other processing method.
    2. Type of mould
    Molds, to a great extent, determine the quality, efficiency and innovation ability of products. Therefore, the types of molds are also very rich, mainly including the following types:
    Drawing die
    It is an important equipment to ensure that the covering parts are qualified. Its function is to make the flat blank into the main space workpiece through the drawing process. The drawing die is divided into two forms, i.e. front mounting and flip mounting.
    Trimming die
    It is used to remove redundant parts of machined parts, such as the extra outer edges of flat, hollow or solid parts, so as to prepare for subsequent flanging and forming.
    Punching die
    It acts on the blank or sheet metal and separates the waste along the closed contour to obtain a punching die with holes.
    Flanging die
    Its working principle is to turn a part of the semi-finished workpiece onto another part of the material, and make the hole edge of the original punching hole form a flange by stretching.
    Shaping die
    The former bending or stretching parts can be pressed into the required shape by means of a die. The shaping die is a mold which adjusts the size and contour of semi-finished products to improve the product accuracy and surface finish.
    2、 Introduction and structure of stamping die
    1. Introduction of stamping die
    Stamping die is a common type of die, its use method is as follows: metal or non-metallic sheet is put into the mold at room temperature, and the pressure is exerted on it by the press, so that the sheet metal is separated or deformed, and finally the required parts are made.
    2. Structure of stamping die
    The stamping die is mainly composed of process parts and structural parts. Process parts directly complete the stamping process, that is, directly contact with materials or stamping parts. The structural parts play the role of installation, assembly and guidance in the mold.
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