The bit that puzzles me with this approach to 3d printing, is that without a mould surface, consolidation of the laminate would be next to impossible without deforming the printed shape. Without consolidation, the laminate would surely be full of voids, meaning the part would be susceptible to interlaminar failure under relatively low loads/ forces.... Or am I missing something!?by w.harris87 - General
Eric, Thank you very much- that is what i suspected, but always good to hear it from someone who has been there and tried it! Cheers, Wilkby w.harris87 - General
Yeah, fair enough- point taken! Will set it up and give It a go!by w.harris87 - General
Thats interesting, thank you very much. I was going to try and aim for 40 - 50oC, but would 25-30oC be sufficient then? Cheersby w.harris87 - General
Does anyone know if there are any implications to using an E3D v5 inside a heated chamber?; Will the cooling fan still be able to do its job if its blowing warm air onto the cooling fins, or do I need to look at some ducting which would feed cooler air from outside the build chamber? Cheers, Willby w.harris87 - General
Having been relegated to the cold garage due to smelly ABS, my prints have developed serious warping/ poor layer adhesion issues. As a result I am looking at designing a heated build chamber for my Prusa i3. I am aware that just enclosing the printer and letting the ambient temperature of the heated bed and extruder do the majority of the heating would do the job, but is there an option that woby w.harris87 - General
Well that is quite obviously the plan in the long run, but was just wondering if there is a quick fix to save a print that is 80% complete, from ending up in the acetone bucket!?by w.harris87 - General
98% of the time my extruder works perfectly, but every now and then it will jam mid print..... Today I happened to be watching the printer as it happened, so made an attempt to 're-prime' the hot end by pausing the print, un-doing the idler, cleaning hobbled bolt and manually pushing a little bit of filament through... very nearly worked, but must have nudged the x axis, because the x carriageby w.harris87 - General
I have been finding that my print quality decreases as a print session goes on; in particular the x axis skips steps and creates a slanted print, in the x direction. The print on the left was the first print, and although the angle of the photo isnt perfect, the 'side walls' are pretty much vertical. The part on the right was printed second, about 2 minutes after the first print finished- the sby w.harris87 - General
Have you installed the jumpers beneath the stepper drivers? You will need to install between 1 and 3 for each driver depending on the degree of stepping your motors need.by w.harris87 - General
Thank you very much! Will have a look at the points you have raised. Cheersby w.harris87 - General
Hi, I have been struggling to complete my first print (20mm calibration cube) using my new prusa I3. Got very excited when I finally managed to get what was looking like a decent print started, however about 1/3 of the way through, the infill/ perimeter went from being a nicely laid strands of ABS, to very blotchy..I hope the attached pic shows what happened. Parameters were as follows; Mateby w.harris87 - General
thank you for your help- I had got rid of the calculation, and was simply entering the decimal value, but the motors were just stalling etc. I have since found this thread; Which seems to describe a similar problem to mine. Haven't had a chance to test yet, but hoping reducing the feed rate will solve the issue. EDIT: Just tested with reduced feed rates and shes working like a dream! Cheerby w.harris87 - General
Hi, I am running Marlin on a Prusa i3. I am having trouble trying to calibrate the Z axis; The default value in Marlin for steps/mm on the Z axis is 200.0*0.8/3. with this value, the Z axis is not moving anywhere near enough... So I do some calibration tests, and work out that it should be approximately 4000 steps/mm When I enter this value into marlin, and upload to RAMPS 1.4, the Z axis nby w.harris87 - General
I am in the process of building up my first Prusa i3. Ive got all of my electronics, but still waiting for some printed parts to turn up, so I can complete the mechanical side of the build. I have wired/ connected the stepper motors and drivers etc. onto the RAMPS 1.4 as shown in the wiki. At this stage, I only have the stepper drivers and motors wired (No end stops at the moment) I have loadby w.harris87 - RAMPS Electronics
Thank you, To clarify, I have found that file in 'GitHub' When I click on the file in GitHub, it shows up a load of numbers, which I am assuming are co-ordinates? I am trying to find a way of opening the file in rhino/autocad etc. so I can see the outline of the part? When i 'right click' on the file and try to 'save link as', the file then doesnt open in Rhino. Im sure I am missing somethiby w.harris87 - General
I hope Ive missed something really obvious here, but would be grateful if someone could point me in the right direction... I am trying to find the DXF file for the Prusa I3 single plate. I have found the following file; Prusa3ALU-FREZOVANY-v4.dxf How do I convert it to something I can send to get cut? Ive downloaded openSCAD, but when I copy that file into it, i get a 'computer says no' alerby w.harris87 - General