In general drilling, axes decline and diameter enlarged of the hole are the main problems to affect the precision of machine tooling.
麻花钻普通钻削中,孔轴线的偏斜和孔径的扩大是影响其加工精度的主要问题。
In this paper the relation between the hole diameter and the pile thickness of the jet on the hole bottom for a jet penetrating or drilling process is theoretically examined.
本文在理论上探讨了射流在侵彻或钻孔过程中,孔径和射流在孔底的堆积厚度之间的关系。
The article describes how DF concept is used in the design of pressure feeders in small-diameter deep-hole drilling process.
介绍如何应用DF 系统原理设计小直径深孔加工中吸压送水器的问题。
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