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hello all,

I have only used 3 axis programming in the past. Currently there is a job which requires 4th axis rotary - hardware works fine, been sitting in this shop for some years.
I know that...

I have no major problems machining this material but I am faced with the task of drilling a few holes - .0625" in diam about .800" deep. Does anyone have suggestions on what drill bits to use. I...

You would also benefit from looking at used machines online - I have seen decent 3 axis VMC's for about 15K.

Yes, I ramped up the rpms but more importantly I had not been using cutting oil - it made a huge difference when
compared to cutting fluid that I typically use for aluminum! Thanks for the info!

I'm having mixed results with drilling .140 diam holes on 316 L about 1" deep. The last try was using a hss 135 split point short length and it shattered even though
I had drilled a shallow center...

Thanks Paul I will look into that on Monday when I'm back in the shop.

I need to drill several holes about .140 in diam in 316 SS - about 1" deep - I'm spinning at 250 rpm and pecking about .030" (is that too shallow?).
I'm having trouble with the chip clearance and...