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What Is The Mold Processing Flow?

2022-06-23 Hits: 13 views

In the process of mold processing, the specified process must be followed to ensure the precision of mold and product quality. Mould processing is a complicated process, and it must be accurate when processing. The mold processing process generally includes: preparation of mold blank, rough machining of parts, semi-finishing, heat treatment, finishing, cavity surface treatment, mold assembly and machine debugging.

 

1、 Die blank preparation

 

Most of the die blanks are metal. Taking forging as an example, the raw materials for forging are generally bars, plates and pipes. Operators mainly select according to the specific shape and geometric dimension of the blank. For sheet blanks, common blanking or precision blanking can be used. If it is necessary to forge the ring part, the pipe can also be used to cut the blank.

 

2、 Rough machining of parts

 

For rough machining of parts, we take milling as an example. As long as the contour and island of the part are given, the machining path can be generated. And the arc can be automatically added at the sharp corner of the track to ensure the smooth track and meet the requirements of high-speed machining. It is mainly used for milling plane and groove. Multiple contours and islands can be selected for machining.

 

3、 Semi finishing

 

The semi finishing stage is to finish the machining of the secondary surface and prepare for the finishing of the primary surface.

 

4、 Heat treatment

 

Heat treatment is a comprehensive process in which a material is heated, insulated and cooled in a certain medium, and its performance is controlled by changing the surface or internal structure of the material. The heat treatment process generally includes three processes: heating, insulation and cooling, and sometimes only two processes: heating and cooling. These processes are interconnected and uninterrupted.

 

5、 Finishing

 

The machining allowance of finish machining is smaller than that of rough machining. Select good props for cutting, control the walking speed and rotating speed of props, and pay attention to the size and gloss appearance of materials.

 

6、 Cavity surface treatment

 

Different surface treatment methods can change the chemical composition, structure and properties of the mold surface, and greatly improve the surface properties of the mold. Such as hardness, wear resistance, friction performance, demoulding performance, heat insulation performance, high temperature resistance and corrosion resistance. This step is of great significance for improving mold quality, greatly reducing production costs, improving production efficiency and giving full play to the potential of mold materials.

 

7、 Mold assembly

 

According to certain specified technical requirements, the process of assembling parts into components and combining them into components and the whole machine. There are two types of assembly: fixed assembly and mobile assembly. Different assembly methods are selected for different batch production.

 

During the assembly process, some die parts need to be polished and trimmed. The main content of mold assembly is to assemble the processed mold parts and standard parts into a complete mold according to the requirements of the mold assembly drawing. Some parts need to be adjusted and repaired after the mold test, so that the parts produced by the mold can meet the requirements of the drawing, and the mold can work normally and continuously before the processing of the mold is completed.

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