Random thoughts on electronics, metalworking, and woodworking, including projects and anything else that wanders into mind.
2007-01-13
The Mistakes I've Made
As part of a consolidation process, this entry has moved HERE Sorry for any confusion.
3 comments:
Anonymous
said...
Actually, if anything, these days the speed/feed charts are considered "safe starting points", and the actual speeds and feeds used are significantly higher. I personally have run 4" face mills at over 2500 SFPM, slabbing off 3/8" of aluminum in full passes..
"4" face mills at over 2500 SFPM, slabbing off 3/8" of aluminum"
Must be nice :) If I tried to remove 3/8" of aluminum at one go - with anything - on my machine, it would go from 2500 SFPM to Zero in a startling-fast period of time.
But, point taken. I'll edit the post to say "maximum safe starting point." After all, no one publishes a table of minimum speeds ;)
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3 comments:
Actually, if anything, these days the speed/feed charts are considered "safe starting points", and the actual speeds and feeds used are significantly higher. I personally have run 4" face mills at over 2500 SFPM, slabbing off 3/8" of aluminum in full passes..
"4" face mills at over 2500 SFPM, slabbing off 3/8" of aluminum"
Must be nice :) If I tried to remove 3/8" of aluminum at one go - with anything - on my machine, it would go from 2500 SFPM to Zero in a startling-fast period of time.
But, point taken. I'll edit the post to say "maximum safe starting point." After all, no one publishes a table of minimum speeds ;)
this is a good blog.
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