<p>You can get a suitable board for $20 or so, print a case for a few cents, and either repurpose an old PC power supply or buy a new one just powerful enough for the hotend (not bed) heater very cheap, so I think it's a lot less costly than a cheap printer, and cobsumes less space. But I'm not clear what you need it for.</p>

CC BY-SA 4.0
2021-01-04T15:35:35.410Z
2021-01-04T15:35:35.410Z
R.. GitHub STOP HELPING ICE
<p>One could make such a controller with 3D printer parts and building a case for them, but is it significantly less than just buying a compatible low-cost printer.  The intent is to heat up the all-metal hot end to tighten the nozzle to the heater break.</p>

CC BY-SA 4.0
2021-01-04T15:02:42.480Z
Please clarify. What do you mean to assemble hot ends? Are you talking about preheating the hot end before tightening the nozzle down?
user77232
<hotend><all-metal-hotend>
Is it practical to build a separate hotend temperature controller to assemble hotends without taking up printer time?
Perry Webb
# Is it practical to build a separate hotend temperature controller to assemble hotends without taking up printer time?

(Asked by: username_0 on 2021-01-04)

One could make such a controller with 3D printer parts and building a case for them, but is it significantly less than just buying a compatible low-cost printer. The intent is to heat up the all-metal hot end to tighten the nozzle to the heater break.

**Tags:** hotend, all-metal-hotend
> **Comments:**
> **username_1**: Please clarify. What do you mean to assemble hot ends? Are you talking about preheating the hot end before tightening the nozzle down?  

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## 1 answers

### Answer by username_2 on 2021-01-04. Score: 2 | Accepted answer

You can get a suitable board for $20 or so, print a case for a few cents, and either repurpose an old PC power supply or buy a new one just powerful enough for the hotend (not bed) heater very cheap, so I think it's a lot less costly than a cheap printer, and cobsumes less space. But I'm not clear what you need it for.


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