散热器进出水管剖切模采用浮动凹模芯轴结构形式。
A structure form of floating matrix core shaft has been adopted in the die for slitting the water pipe of the radiator.
提出了一种浮动凹模芯模闭式镦粗法，以解决厚壁管在单向加压的普通液压机上进行闭式镦粗后壁厚不均的问题。
Using closed die upsetting process to manufacture thick wall tubes on normal hydraulic press may cause the dis uniformity of the thickness along the length of the tube.
针对减振器总成工艺过程的改变，采用凹模浮动，实现双向同步冲孔；
According to the change of technologic process, adopting the floating concave mould, bidirectional punch in the same time was realized;
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