下模采用压大压寿件，不易变形、结构简罩、性能好、气缸配件有防转导杆，空间可任意调整。

On The stamping die uses presses the casting, is not easy to distort, the structure is simple. The performance is good The air cylinder has guards.

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其次，它能用作获得像活塞与气缸之类配件间过盈配合的方法。

Secondly, it is used as a method of obtaining very close fits between mating parts such as pistons and cylinders.

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