Failure...

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After the first success in cutting the aluminium I started fine tuning my parameters. Turns out I bought some baaaad aluminium (1050A) because I'm cheap. Thanfully a hero on the internet found the best parameters for the 1050 aluminium and I adopted them:

• 800 mm/min feed rate
• 0.2 mm depth of cut
• 76.2 mm/min plunge rate

I cut my machining time from >2hr to 30min thanks to these. I'm super happy with them.

Problem is: I failed to cut the plate anyway :(

The aftermath...

The most likely suspects.

In the final cut (it's alwasy the final operation...) I started losing steps during a Y straight cut. I think the aluminium chips and WD-40 mixture started jamming the wheels of the mill. Pics related.

Anyway, it's too late for another attempt for today. I'll give it a try next week, hoping in the mercy of the machining gods.