#MaterialMonday on YouTube

IMO tool life is determined by the amount of material cut and the associated tool stress level. Chip-load increases generally increase tool stress without necessarily increasing the amount of material removal. HSM (less than 4000 SFM for aluminum) appears to be the exception. You’re a pioneer - “no guts no glory” :wink:

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While not directly part of the series, this fits in well:

https://www.youtube.com/watch?v=rm-qSytjFnI

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Cast Acrylic for the Shapeoko:

https://www.youtube.com/watch?v=a9qi6Z-CEP8

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While not part of the series, we do have a video on cast iron up now:

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Another material:

Garolite/G-10

Brass:

Richlite:

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