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General discussions. For specific printers / electronics / fabrication methods / softwares, please see other sections.
Re: Ultimaker bowden tube replacement to direct drive - 8 years ago
Hi. At the moment i am working on mk3 direct drive system by replacing the square steel rod 34grms with carbon fibre square tube of the same dim 4grms total a saving of 30 grms can be had.Also removing inner material from the two side plates will save more weight.A total weight of around 100grms should obtainable with a few mods.by Rod - Look what I made!
Re: Ultimaker bowden tube replacement to direct drive - 8 years ago
Hi Total weight of parts.(attachment) 153grms total Rod.by Rod - Look what I made!
Re: Ultimaker bowden tube replacement to direct drive - 8 years ago
Hi. The extruder setup 43 grms total. Rod.by Rod - Look what I made!
Re: Cooling with an air pump? - 8 years ago
Hi I converted to an air pump supply some 18months ago.The air exits in a fan shape just under the nozzle about 3mm away from the tip .I have printed lots of things since with no problems.The only fan i use is for cooling the hotend also by removing the fans and ducting you save a lot of weight on the moving printhead.by Rod - General
Re: Ultimaker bowden tube replacement to direct drive - 8 years ago
Hi cwaa Glad to see you are happy with your bowden tube setup.I would never again revert to bowden feeder as trying to push 3mm or 1.75 filliment through a 720mm tube with no problems for sometimes hours on end are very rare also you get problems with retractions due to flexinging in the tube ect.Knowing what i no now i would not have bought a bowden feed printer in the first place.I hby Rod - Look what I made!
Re: Ultimaker bowden tube replacement to direct drive - 8 years ago
HI Chri Thanks for the info about resizing the pictures. The two drive heads have 4 off 8x4x3 ball bearings running on 4mm square shafts witch are fully ajustable via grub screws. By using the above setup have had no problems with sliding force when extruding and moving at the same time.by Rod - Look what I made!
Re: Ultimaker bowden tube replacement to direct drive - 8 years ago
Hi Chri I have tried to post pictures before taken with my i phone but keeps telling me the attachment files are to large.Thats why i posted a link to youtube Could you tell me what i need to do to be able to post pictures.I can then post some more detailed ones for you all to see.by Rod - Look what I made!
Re: Ultimaker bowden tube replacement to direct drive - 8 years ago
Hi youtube vidio Regards Rod.by Rod - Look what I made!
Re: Ultimaker bowden tube replacement to direct drive - 8 years ago
Hi Cant attach pictures saying files to large ? These are single i phone photoes. Rod.by Rod - Look what I made!
Ultimaker bowden tube replacement to direct drive - 8 years ago
Hi All Having owned an ultimaker 2 for over 2 years now and suffered numerous problems with the bowden feeder setup i decided to try to fix the problem for once and all by replacing the bowden setup to direct drive to the printhead .Since fitting the new direct drive shaft system about six months ago i have not had any of problems i had with the bowden tube feeder setup.also the new setuby Rod - Look what I made!