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Too often these days “high speed” gets all the glory in machining. But what really matters is efficiency. That is, what gets the job done quickest and at the lowest overall cost?

And so it is with roughing. Conventional practice is to rip through the material as quick as possible. But that can put extremely variable loads on the cutter, which forces you to program for the worst-case scenario in terms feeds and depth of cut. A better way is to keep you cutter forces (chip load) constant throughout an entire roughing routine. You’ll finishing the operation faster, sometimes much faster, and get much better tool life as well...READ MORE.