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Questions tagged [hotend]

Questions about the standard extrusion mechanism found in FDM/FFF printers.

9
votes
1answer
2k views

What is the best length of the melting zone in the hotend?

There are many hot end designs out thee and one difference is the length of the melting zone. The melting zone is that part of the hotend where the pushed in filament is heated up and therefore ...
9
votes
4answers
585 views

Is it necessary to have both hot ends on a dual extruder printer at the same height?

I'm thinking of another extruder on my printer, and I'm curious about this one.... Is it necessary to have both hot ends on same height? Why yes / why not? (if there is not)
7
votes
3answers
122 views

Taking a new hotend into operation (cleaning, forming, etc)

When installing and using a new hotend for the first time, which steps of action should be taken before. This will probably be more applicable to chinese clones than to authentic products (is the ...
12
votes
2answers
533 views

E3D Thermistor Alternative

E3D hotends use a thermistor whose legs are insulated with glass fiber sleeving and clamped down with a screw and washer: This solution enables the printing of high temperature materials, but it's a ...