Overview - Wichita State University

As an example, the speed for drilling metal parts (e.g. titanium) is usually in the order of 450 rpm for drilling a 0.25 inch diameter hole with the drill bit lubricated with Boelube or a similar lubricant such as cetyl alcohol. Drilling composite parts on the other hand requires a totally different approach. Fiber breakout and/or delaminations ... ................
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