壁厚差大的型材模具修理
Repair of profile mold with large wall thickness difference
壁厚悬殊的铝型材热挤压模具的设计在生产实践中一直是重点和难点，由于型材壁厚悬差大，在挤压生 产中金属流出模孔时，存在着流速不均甚至壁厚小的部分金属不能从模孔流出而造成堵模。
The design of hot extrusion die for aluminum profile with different wall thickness has always been the key and difficult point in production practice. Because of the large suspension difference of wall thickness of the profile， when metal flows out of the die hole in extrusion production, there are uneven flow rates and even parts of metal with small wall thickness cannot flow out of the die hole,resulting in blocking die。
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