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MechEngineerMike

Filament Fuser Block

by MechEngineerMike Jul 3, 2016
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What are the best sizes of drill bits for drilling the filament holes?

I would also like to buy one of the machined heater blocks!

I'd really like to buy one of the machined heater blocks off of you if possible!

ATTENTION ALL:
I am not affiliated with jasonmrc and his stand alone temperature controller product and as of this writing (9-19-16) I do NOT recommend the use of his stand alone controller with my product.

The reason being that his current version does not provide a means for powering the cooling fan which is an essential part of this tool. (Operating the device without the fan is hazardous, as its primary purpose is to cool the shaft to prevent your plastic frame from melting down. Cooling off the fused joint is a secondary purpose.) Additionally, it lacks the proper pin connections for making direct connections to my product without having to splice wires.
If these conditions change I will update this comment.

hi

designed the controller for the filament fuser .. anyone interested ?

temperature controller is now available ready built and tested .. more info on my tindie page !

https://www.tindie.com/products/JasonKits/3d-printer-filament-joinerfuser-pid-controller-/?pt=ac_prod_search

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Hello,

At what speed is this tingie printed best?
I have a zonestart p802m

I am not familiar with that printer, but in general the slower you go the better quality you get. These parts are big and chunky and there are only a couple of fitted surfaces so you could get away with the slop introduced by printing fast if you wanted to.

Is it possible to print the parts in PLA or do I need to print them in ABS for higher temperature resistance?

PLA should be fine...you just have to make sure there is a fan blowing across the cooling fins...otherwise the heat will creep down the threaded rod at the bottom and soften the PLA...

I wonder if a sketch for an arduino nano could be written, one for the output for the heater (fed thru a cheap MOSFET module) and one for the thermistor....then say an IO that goes to 240C for open, and 200C for closed so you could set for ABS or PLA temps
No need to have a repetier host or ramps compile but just a quick down and dirty setup

I have created a sketch for an Arduino UNO with a LCD shield and a prototype shield for the MOSFET part that can be used to set the temperature and keep it steady. Description can be found at http://www.3dprintingforum.us/viewtopic.php?f=39&t=322&p=10602&hilit=Fuser#p10596 and the code and hardware documentation is on Github.

Nice...UNO will cross compile with a Nano...but the Nano runs about $2-$3 and a much smaller footprint

Very very cool...going to check it out man...thanks!!!!

Cool thing is...it's almost like a lite version of one of those reflow oven controllers...just a different sketch
Awesome!

The white one shown in the main pic is PLA and it has worked just fine! The trick is keeping the little fan on 100% of the time to keep the rod cool.

How about a custom arduino temp controller for this project ? if i see interest i might design it ..

yes please...come up with a simple sketch for Uno or Nano...tell us the digital pin we can run thru a MOSFET module, the analog pins for the thermistor...and another pin we can ground or go high to change temp from 200 to 240 and that will be the PLA/ABS pin

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Ok im on it .. shall design one ! what features would you consider i should include ..

temperature control -
set preset for pla and abs ?

a go button and a shutdown button ..
an lcd ? which shows all the info ?

A LCD and presets for different filaments would be great. But manual temperature setting should also be possible.

For temperature control, existing PID temperature control librarys for Arduino, like the one at http://playground.arduino.cc/Code/PIDLibrary and autotune libraries to help you tune it like http://playground.arduino.cc/Code/PIDAutotuneLibrary could be used.

A MOSFET to switch the heater and the fan on/off could be added together with the LCD and some buttons and connectors to a Arduino Proto Shield - or use one together with the Adafruit LCD shield (https://www.adafruit.com/products/772) which has already the LCD and buttons all ready to use.

All these features are implemented in my controller !

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Where do I find information about your controller?