这样，开槽的锚杆就可以在成锥模内成锥。

In this way, the grooving anchor rods can taper in the tapering die set.

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毛刺：过多余量从锥模和顶模中挤出后引起的软滚子缺陷。

FLASH : Green roller defect, caused by excessive stock forced out between taper die and head die.

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挤压结果表明：平模、锥模和前置保护分流模成型质量较好，而替代式保护分流模挤压失败；

The results show that the extrusion quality of even die, cone die and pre protection die are better, but that of the replace die is worse.

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