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The extrusion principle of industrial aluminum profile is analyzed

Update time : 2023-01-06 19:45:44

1. Extrusion principle of industrial aluminum profile

Industrial aluminum extrusion is a plastic processing method to apply external force to the metal blank placed in the container (extrusion cylinder), so that it flows out of the specific die orifice, to gain the required section appearance and size.

2. The composition of aluminum extrusion machine

Aluminum extrusion machine is composed of frame, front column frame, swelling column, extrusion cylinder, hydraulic system under electric control, and equipped with die seat, thimble, scale plate, slide plate and so on.

3. Classification of extrusion methods for industrial aluminum profiles

According to the variety of aluminum extrusion cylinder metal, stress and strain state, aluminum extrusion direction, smooth state, extrusion temperature, extrusion speed, mold variety or structure, billet shape or number, product shape or number, can be divided into forward extrusion method, reverse extrusion method.

4. Forward hot deformation extrusion

Most of the industrial aluminum profiles with hot deformation adopt the method of forward hot deformation extrusion to obtain the industrial aluminum profiles with the required section shape by the specific die (flat die, conical die, split die). The forward extrusion process is simple, the equipment requirements are not high, the metal deformation ability is high, the production range is wide, the performance of industrial aluminum profile is strong, the production flexibility is large, the mold is easy to protect and maintain the correction.

The disadvantage is that the conflict between the inner surface of the extrusion cylinder and the industrial aluminum profile is strong, accounting for the extrusion energy consumption ratio is larger, the conflict is easy to make the cylinder ingot heating and add the instability of the profile, damaging the efficiency of the finished product, limiting the extrusion speed of aluminum and aluminum alloy, speeding up the wear and service life of the extrusion mold, the organization performance of the products before and after the surface is uneven.

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Ottilia Chtherian Cara

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