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Topic: Dowel pin smashed

My Filastruder extruded for about 3 hrs until it smashed the dowel pin. I have tried using tape but I still get the same problem the dowel pin slides off any ideas how to fix this?

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Re: Dowel pin smashed

You could switch to a number 8 washer, which is the other method previously used. You'll need to file down the edges of the washer for it to fit. Ideally it will be about 1.5mm thick.

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Re: Dowel pin smashed

I will have to buy a number 8 washer tomorrow and give it a try.

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Re: Dowel pin smashed

Hey Tim is that the right washer that im suppose to use? I filed one but my motor still smashed it.

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Re: Dowel pin smashed

What was the thickness? Was it a tight fit?

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Re: Dowel pin smashed

innovate wrote:

Hey Tim is that the right washer that im suppose to use? I filed one but my motor still smashed it.

I had better luck stacking two #6 washers (which are thinner). I had to hammer the pieces together, holding the washers in place with a screwdriver, and then they worked fine.

It makes me wonder, though, what's causing the resistance that's crushing the washers. Was the extruder up to temperature? Is there something blocking the nozzle?

When I had washers getting crushed, I had some burnt-looking stuff behind the nozzle, which I cleared out, and I started letting the extruder sit at temperature for 15 minutes to make sure that everything was heated up, after which the washers stopped turning into potato chips. :-)

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Re: Dowel pin smashed

What was the thickness? Was it a tight fit?

The thickness of the washer is about 1mm that was the only number 8 washers at homedepot, but I did get a very snug fit. I will try hammering two of them together.

It makes me wonder, though, what's causing the resistance that's crushing the washers. Was the extruder up to temperature? Is there something blocking the nozzle?

Yes, I actually let the extruder get up to 195 and then waited an additional 30 min before starting the motor. I am going to try removing the nozzle like you suggested maybe the nozzle is clogged.