Chat with an old timer about speed and feed rates changed my mind

Last Tuesday at a shop in Tulsa I was talking to a guy who's been running CNC since the 80s. He said he never pushes his machines past 70 percent of their rated capacity because he's seen too many crashes from guys chasing cycle time. I always thought you should run it as hard as it can go, but after hearing his stories about replacing spindles it made me wonder how many of us are running our machines too hot.

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kelly.daniel4mo ago

My 1980s Bridgeport still hums at 65 percent and never complains.

7

sanchez.mary4mo ago

Read a study once that said 80% is the sweet spot... @kelly.daniel has the right idea.

2