rod
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Posts posted by rod
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Hi
A few more mods plus tidy up and weight reduction off moving parts.
1/ Manual feed wheel added to step motor.
2/Steel cross material feed shaft replaced with carbon fibre shaft.
3/Carbon fibre shaft and bearing added to support any pull on head by filliment that might effect print quality.
Rod
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Hi
Just finished latest mod to Bowden tube feeder replacement to enable me to feed and print 1.75 Ninjaflex flexable filliment. Test prints turned out as good as PLA or
better.
Rod
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The bowden fan is an interesting idea.
https://ultimaker.com/en/community/3435-new-fan-cooling-design#reply-19327
https://ultimaker.com/en/community/3435-new-fan-cooling-design#reply-19299
Hi replacing the fans with an airjet has worked out well for me as it givesme more control of temp when printing.Fans can produce to mutch air to the wrong place that can have an adverse efect on buildplate temp and nozzle temp
resulting in bad prints and other problems plus they add extra weight to the moving printhead. I printed a Tourbillon watch by Christoph Laimer with the airjet with very few problems.
Rod
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Hi Thanks.Looks like you picked the right username for this drive feature
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Hi just finished latest mod to enable
me [/media]to remove printhead feeder assemblyallowing me to change ptfe or to convert to use 1.7 filliment.By removing the
single screw in the centre of the printhead an lifting up takes about 10 sec.
Rod -
HiThat's a pretty cool a idea to make a lightweight direct drive, i'm guessing that the extra weight is not that much and has no impact on vibrations when printing faster.
Are you planning to make it available somewhere ? The gears are metal or printed? Are you using the same motor as the original feeder?
Awesome work anyway!
Feedhead weight now 49grms .I removed the material cooling fans scrouding ect a year ago and replaced with air from a pump witch fans out just below the hot end nozzle .The only fan i use is to cool my hotend setup whitch is not standard
so should be a lot lighter than the original. Bevel gears are brass motor is the
original ultimaker material feed motor.As to making feeder a kit all depends on the
cost and feedback i get back.Now working on idears fo MK 2.
Thanks all for your interest.
Rod.
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Hi print quality is very good. more consistant than with the bowden tube feeder.
Rod
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Hi all.
Just uploaded my latest Ultimaker mod to youtube k9JoSJg7SIQ
Rod
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Hi.
I got my Ultimaker 2 in December 2014 printed lots of items in PLA no real problems ecounted. Then switched to ABS main problem not adhearing to
print bed tried various sugestions from forums ect slightly better results but not the complete answer parts were still lifting away from build plate. After many trials
came up with a solution that gave me 100% improvement with my prints. A trial of 10 prints not one has failed so far due to the above problem.
1 / Remove and clean any material from the Ultimaker glass build plate.
2/ Onto the the area where the print is to be printed drop a few drops of
High viscosity superglue(cyanoacrylate adhesive) With a razorblade spread
this over the area to be printed on as thin as possible.
3/ Set the glass build plate temp to110C
4/ Load object to be printed and print as normal.
5/ Superglue residue can be removed from the glass bed with Acetone or if not required for further printing.
Rod.
Reduced mass "direct drive' extruder with frame mounted motor
in Third party products & modifications
Posted
Hi have a look at the following post.
youtube K9JoSJg7SIQ
Regards
Rod.