Showing posts with label FDM extruder. Show all posts
Showing posts with label FDM extruder. Show all posts
Sunday, 16 March 2008

A high temperature extruder?

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The standard RepRap extruder can't quite handle the temperatures for HDPE for very long. I have found a high temperature replacement fo...
1 comment:
Sunday, 24 February 2008

A riveting read

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A recent modification to the RepRap extruder is the addition of two 3mm pins through the clamp and the PTFE insulator to prevent the PTFE s...
Sunday, 3 February 2008

Bottoming

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As well as repairing my extruder I aimed to bring it closer to the latest RepRap design. The machined heater barrel has been replaced by a d...
2 comments:
Saturday, 2 February 2008

Nuts

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Since my first attempt at making the RepRap extruder the design has moved on to use a brass acorn nut as the nozzle. It has the advantages o...
1 comment:
Sunday, 27 January 2008

Extruder postmortem

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So my extruder died at the beginning of the month. I have been busy with other things so I have only just got round to thinking about rebuil...
3 comments:
Wednesday, 2 January 2008

If it's not one thing it's another!

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The third post in a row about my extruder breaking, not a good start to the year! Now that I am making solid test shapes rather than hollow ...
12 comments:
Sunday, 30 December 2007

Running repairs

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No sooner than I had fixed my heater, the extruder motor failed! I bodged the heater connection by putting some more solder on it. It's ...
3 comments:
Friday, 28 December 2007

Wear and tear

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My extruder's heater went open circuit so I removed the heat shield to have a look at it. I have actually run it for many hours now and ...
3 comments:
Saturday, 27 October 2007

Extruder dimensions

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I have been asked for dimensioned drawings of the extruder. I made these by manually inspecting the 3D models in ArtOfIllusion. It is not th...
Tuesday, 23 October 2007

Stretching a point

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In his article: x-idler-bracket-continued Vik Olliver alluded to the fact that you can extrude filament with a smaller diameter than the h...
3 comments:
Tuesday, 16 October 2007

Scaling new heights

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In my article laying-it-on-the-line I showed how I arrived at this test shape, a 20mm open ended cube :- I decided to try different sized s...
7 comments: