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The working principle of extruded aluminum profile mold mainly includes the following steps:

1. Preheating: First, preheat the aluminum profile and extrusion die to a certain temperature.

2. Extrusion: The preheated aluminum profile is put into the extruder and extruded through the cavity of the mold under high pressure to form the desired profile shape.

3. Cooling: The extruded aluminum profile needs to be cooled to fix its shape.

4. Cutting: The cooled aluminum profile is cut to the required length.

5. Heat treatment: In order to improve the hardness and strength of aluminum profiles, heat treatment is usually required.

6. Surface treatment: As needed, the surface of the aluminum profile may need to be frosted, anodized, electrophoretic painted, powder sprayed, etc.

In the whole process, the function of the extrusion die is to determine the shape of the extruded aluminum profile through the shape of its internal cavity during the extrusion process. The design and production of molds directly affect the quality and production efficiency of aluminum profiles.

Classification of Aluminum Extrusion Dies

1. Classified by the section shape of the die hole compression zone

It can be divided into: flat die, conical die, flat cone die, streamlined die and double cone die, etc., 

2. Classified by the types of extruded aluminum profiles.
It can be divided into bar molds, ordinary solid profile molds, wall panel molds, variable-section profile molds, pipe molds, and hollow profile molds.

3. Classified by the number of die holes

It can be divided into single-hole die and multi-hole die;

4. Classified by the extrusion method and process characteristics
It can be divided into hot extrusion die, cold extrusion die, hydrostatic extrusion die, reverse extrusion die, continuous extrusion die, water cooling die, wide expansion die, horizontal extrusion Machine molds and vertical extrusion machine molds, etc.

5. Classified by the mold structure

It can be divided into integral mold, hollow die, removable mold, movable mold, tongue-shaped combined mold, plane split combined mold, embedded mold, fork mold, front mold, protective mold, etc.

6. Classified by the shape and structure of the mold

It can be divided into a cone mold with an inverted cone, a cylindrical mold with a boss, a cone mold with a positive cone, a conical-middle cone ring mold with an inverted cone, and an inverted cone mold. Cylindrical-conical molds for cones, reinforced molds, etc.

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