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PID vs Bang-Bang Temperature Control

CNC Kitchen

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Published on Mar 27, 2021
While configuring my new DUET 3 Mini 5+ control board that I put into my broken Prusa Mk2.5, I noticed weird surface artefacts that did not come from a wobbly z-axis! Let me show you how I found out that the heated bed was the problem and how I fixed it!

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πŸ›’ Equipment used in this video:
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πŸ“– Further Links:
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00:00 Introduction
00:55 Quality Problems
02:53 Bang-Bang Control
03:50 Thermal bed deformation
04:43 Z-Wobble or a bad bed?
06:43 Surface Marks despite PID
08:01 Bang-Bang or PID?
09:25 Prusa bed & DUET

#3Dprinting #duet #tips
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