Shapeoko vs. Aluminum round 2, why don't HSM best practices work?

There are software tools that take into account the machine rigidity (roughly) - remember that the HSM strategy is based on how well it works in large machining centers, where time is money, not hobbyist machines that have a lot more compromises. That said, it does work, but you need to tune things in a bit. @Vince.Fab has way more knowledge than me here, but as he says, takes some work to tune in.

GWIzard is a great tool, and well worth the money. Bob really likes the SO3 machines, and has done a fair amount of work to make the tool very friendly to them. If I remember, there’s a free trial. https://www.cnccookbook.com/cnc-router-feeds-speeds-calculator/
He also has a great “get started with aluminum on CNC routers” post. (and some FAQ’s down at the bottom. https://www.cnccookbook.com/10-tips-for-cnc-router-aluminum-cutting-success/?utm_source=ActiveCampaign&utm_medium=email&utm_content=11+Easy+CNC+Router+Aluminum+Cutting+Tips&utm_campaign=RouterAluminum. (nope, not a paid shill, just really like the tool, and it’s saved me a lot of broken tools!)

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