Five factors affect the extrusion of industrial aluminum profiles

As we all know, industrial aluminum profile is a kind of alloy material with aluminum as the main component, aluminum bar after hot melting, extrusion to obtain different cross-section shape of aluminum material, but because of the different proportion of alloy added, the mechanical properties and application fields of the industrial aluminum profile produced will be different. Therefore, in the process of industrial aluminum extrusion, what will affect the extrusion factors?

1, External friction of industrial aluminum extrusion

The uneven degree of metal flow will increase with the increase of external friction, because of the increase of the required aluminum extrusion strength, at the same time, because of the increase of friction resistance between the metal and the extrusion cylinder, extrusion die, extrusion gasket, will also increase the extrusion pressure of aluminum processing to a large extent; Generally speaking, when the forward hot extrusion aluminum profile, due to the friction resistance between the billet and the extrusion cylinder, the extrusion pressure is 25% - 35% higher than the reverse hot extrusion processing.

2. Die design and size

The influence of die Angle on the extrusion force is mostly in the deformation zone and the cone surface of the deformation zone, and the extrusion force needed to overcome the friction between metal and cylinder wall and the friction in the diameter zone has nothing to do with the edge Angle.

3. Die plate shape

Suitable die surface shape can greatly improve the uniformity of metal flow and reduce the extrusion pressure.

4. Length of sizing belt

The extrusion force needed to overcome the friction resistance of the sizing belt will increase with the increase of the length of the sizing belt, and the component of extrusion force consumed in the sizing belt is about 5% to 10% of the total extrusion force of the aluminum profile.

5, Aluminum section shape

In aluminum extrusion processing, when extrusion deformation conditions allow, the complexity of aluminum section shape determines the size of extrusion pressure to a certain extent, the more complex the shape, the greater the extrusion pressure.

The above content is the industrial aluminum extrusion process, several factors affecting the effect of extrusion, I hope the above content can help you!