12 years ago
I will be working on some T60-61 aluminum plates, about 40" X 27" X 2.5"
with all kind of pockets from one side leaving 0.25" thick plate.
There will be 40000 holes drilled thru that 0.25".
Just wanted to pick some brains and see if someone has experience with this
kind of work.
I figured 15" per minute at 7500 rpm and 2 to 3 0.003" chip brakes per
I just hope this will not wrap any chips around the drill because the plan
is to let it run thru night as spotting and drilling will take way more than