What is the design points for large size aluminum extrusion die?

1.Press tonnage choice:450MPa in extrusion container,extrusion ratio 20-40.

2.The most important is how to set up hollow hole position,shape and distribution rate.

3.For different sections you must reset the hollow hole.you can design more and more hollow hole to make extrusion flow uniform.

4.How to set up extrusion flow distribution?you can check the hollow rate.For thin thickness,the distribution rate higher 30%-150% than thick place.

5. For welding height,not low or high,otherwise section will break(maybe the welding lines happen) or to increase the extrusion force.

6.Another fact is the section thickness,welding height should be in suitable level.

7.To check the die hardness at the distribution flow bridge.

If you want to learn more or have any question,welcome to contact us! Abel Tsao Skype:abel8868 Email: abel8868@gmail.com

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