I am really hapy to have found this side. To beginn with I would like to excuse for my bad english. I want to built an Extruder. I have one question concerning the heating. In nearly all Extruders on this site the material is melted with a heating resistor. But is it also possible to heat the material with a heating wire which is turned round?
ALO95
That's how they used to be done and still are on some machines. What you are referring to is Nichrome wire and is what you should be looking for - its available everywhere.
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Waitaki 3D Printer
