In the CHT nozzle test, there was surprising result, test specimens printed with the hardened steel nozzle had 1/3 layer adhesion compared to objects printed with brass nozzle using the same temperatures. In this experiment, I want to find what settings we have to use with steel nozzle to have similar layer adhesion.
CHT nozzle video:    • BondTech CHT nozzle - better layer ad...  
Results download from: https://www.mytechfun.com/video/308

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Chapters:
0:00 Introduction
0:41 The plan
1:36 Nozzle change
1:55 3D printing
2:26 Pulling test 0.6 mm
3:00 Pulling test 0.4 mm
3:31 Results
4:25 Conclusions

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