extrusion billet

Cause and Prevention of Cracks on 6005A Aluminum Alloy Flat Extrusion Billet

6005A铝合金扁挤压锭裂纹原因及防止

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By increasing the extrusion speed, billet can be deformed into tube which meets the requirements in a short time at high temperature.

通过提高挤压速度，可以使高温下的坯料在短时间内完成变形，从而获得满足要求的管坯。

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Forming force during backward extrusion of hollow billet was analyzed by slab method and numerical simulation.

采用主应力法与数值模拟相结合的方法，研究分析空心坯料反挤压成形力变化规律。

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With the increase of the extrusion speed, billet temperature and die temperature was gradually increased. The highest temperature was located in bearing export while the flow dead zone located in diversion hole of die and the stress of bearing have sharp risen.

随着挤压速度的增加，坯料的温度和模具的温度逐渐上升，温度最高的地方在出口工作带上，模具的导流孔的圆角部分存在流动死区，工作带的应力急剧升高。

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Cavity is an important part of the continuous extrusion machine, it has contact with extrusion wheel, billet and mold, temperature distribution is under complex conditions which directly affects the production efficiency and the quality of the products.

连续挤压机腔体是连续挤压机的重要组成部分，它与挤压轮、坯料、模具均有接触，工况条件下温度分布变化复杂，直接影响连续挤压生产的效率和产品质量。

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