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I'd hoped to spend today mostly completing the build of a new printer including taking lots of photos and doing documentation.
Instead, I started out the day with a nozzle clog which turned out to be caused by that crappy plastic that I had, which I was still trying to get some use out of. I'm throwing it right the heck away.
I had my hotend off 3 times trying to get things going again, and when I was sure that it was OK again, I managed to break the lead going into the heatcore, right at the ceramic boundary so it's not fixable. So I got out the J-Head which I bought as an experiment. I am not having any luck with that at all, I have to jack the temperature up so high to print with it that it burns the ABS - I have a yellowish extruder print now where the plastic is actually white.
So this evening I crushed the ceramic cement on the old heat core and wound new nichrome around it and re-cemented it. That should be fairly well set by morning, then I can make the connections and test it, then apply the last bit of cement and I might be able to start printing again in the afternoon sometime.
I am going to order at least one more MakerGear hotend though. I am not using anything else anymore, and I want to have a spare. I also need to see if I can find some 32 gauge insulated nichrome wire on eBay or somewhere for cheap. The uninsulated stuff is dirt cheap but the insulated is hard to find. I can work with uninsulated but it's kind of a pain.
So anyway, pretty much a whole day shot and I'm farther behind than when I work up this morning.
Instead, I started out the day with a nozzle clog which turned out to be caused by that crappy plastic that I had, which I was still trying to get some use out of. I'm throwing it right the heck away.
I had my hotend off 3 times trying to get things going again, and when I was sure that it was OK again, I managed to break the lead going into the heatcore, right at the ceramic boundary so it's not fixable. So I got out the J-Head which I bought as an experiment. I am not having any luck with that at all, I have to jack the temperature up so high to print with it that it burns the ABS - I have a yellowish extruder print now where the plastic is actually white.
So this evening I crushed the ceramic cement on the old heat core and wound new nichrome around it and re-cemented it. That should be fairly well set by morning, then I can make the connections and test it, then apply the last bit of cement and I might be able to start printing again in the afternoon sometime.
I am going to order at least one more MakerGear hotend though. I am not using anything else anymore, and I want to have a spare. I also need to see if I can find some 32 gauge insulated nichrome wire on eBay or somewhere for cheap. The uninsulated stuff is dirt cheap but the insulated is hard to find. I can work with uninsulated but it's kind of a pain.
So anyway, pretty much a whole day shot and I'm farther behind than when I work up this morning.
