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The surface speed charts that I am reviewing seem to differ on surface speed recommendations for cast aluminum plate. I know not all cast aluminum is the same, but I’m looking for a good middle of the road suggestion. I’ve seen one recommend as low as 80 SFM which seems far too low. Others are closer to 300.
What do you use?
For Cast Aluminum Plate I usually run it at 300-800 SFM, without knowing which cutters you will be running it's difficult to give you an exact SFM to start at but I'd start at around 400-500 SFM. Cast Aluminum Plate can be very abrasive so I have found that Coated Tooling holds up much better. If you need a recommendation let me know.
Hopefully this helps!
Mike