Firstly, the stamping model of the part is built, and the design is focused on drawing direction, shape of addendum and blank-holder surface, initial shape of blank, and so on.

首先建立零件的拉延模型，从冲压方向、工艺补充面、压料面、坯料初始形状等方面进行设计分析。

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During this ongoing process it separates into smaller and smaller particles, therefore increasing its initial surface area.

CNN: STORY HIGHLIGHTS

This is obviously less than what Microsoft planning with the Surface RT, which had an initial shipment volume of four million units.

FORBES: Links 10 Feb: Microsoft's Surface Pro Sells Out: But How Many Did They Release?

According to a recent report from Digitimes, Microsoft was only planning on having an initial shipment volume of one million Surface Pro units.

FORBES: Links 10 Feb: Microsoft's Surface Pro Sells Out: But How Many Did They Release?