various XY designs (1 reply)
There various XY designs nowadays. Which one is the best in terms of a precision, repeatability, rigidity and speed? 1. CoreXY with crossing - A 2. CoreXY no crossing - B 3. CoreXY - C,...
View Articleslight bulge at corners (3 replies)
If I print a square profile, each corner has a slight bulge due to too much filament being extruded. I think this happens at the instant of change direction when the nozzle is at a standstill. I have...
View ArticleRail Resonance / Vibration (3 replies)
I have a coreXY machine that is build with MGN12 Chinese Rails. I have been having issues with alot of sound / resonance during printing. I added some Nema 17 Dampeners and it really decreased...
View ArticleIDEX for CoreXY (2 replies)
Is there any way to extend the CoreXY architecture so as to have 3 stationary motors controlling the XY positions of 2 print heads, where the Y positions are constrained to be the same?
View ArticleHelp on CoreXY build (1 reply)
Hi everyone, After building a crane style bot (with V-slot), now building a Core-XY with linear rods. Build size 100*100*100mm. I am facing some issues when homing and while printing. In the image...
View ArticleHelp : how to remove flow mark? (2 replies)
hello everybody now i have a problem can not solve . who can advise me to remove those flow mark? see attached snapshot shown thanks qs
View ArticleAnyone can comfirm a 9mm pulley dimension? (7 replies)
I ask here cause its problably where must of those idler/pulley are used. Im looking at robotdigg 9mm idler smooth (brass one) and toothed link and cannot find the right dimension. They said they use...
View ArticleCorexy movement Help (no replies)
I've finally got my printer rdoing motion tests but I've run into an issue. When I home the x or y the gantry only moves front to back and its super slow and choppy about it. I must have done...
View ArticleI build my very first machine - corexy 3D printer but still in progress (1...
Hi, I am a Malaysian chinese, I know about 3D printer 5 years ago, at the time 3D printer was super amazing to me.I really want to build my own 3D printer, but that time i was young, I have...
View ArticleHow to reduce noise on my G&C CoreXY? (8 replies)
My G&C CoreXY printer has always been a little noisy, but since fitting a direct extruder and its stepper motor to the carriage, the noise has become more obvious. I think the increased carriage...
View ArticleMarlin won't move Z axis (5 replies)
Hello everyone! I'm working on the final parts of my custom 3d printer, and I ran into an issue with the Z axis. I am able to home the z axis and fine tune it from the Full Graphic Controller, but the...
View ArticleSetting up Core XY and Duet Wifi (3 replies)
I've been working hard at setting up my printer and had it working a few days ago,but prints were inverted. The harder I have tried to remedy this, the further I get away from a solution. I have the...
View ArticleHELP (3 replies)
So...thermistors. I just finished the last steps of calibrating my custom corexy 3d printer and then... I think the hotend thermistor is broken. When I turn the printer on the Full Graphic Smart...
View ArticleCore XY triple leadscrew 30x30x45 (no replies)
Here is something i designed that is based on dnewman/jetguy triple leadscrew builds, im based in europe so sourcing parts was a little more expensive that thought everything cost about ~1800 eu not...
View ArticleExtra large D-Bot almost done 380x380x500 (4 replies)
I ended up using as much metal bracing as possible instead of the 3d printed parts (All printed parts were made with PETG). Also, I replaced the z axis wheel mounts with OpenBuilds aluminum plates /...
View ArticleAre the two different masses of the XCarriage and whole Y+X gantries for the...
Hi guys, i've heard that with corexy the two different masses that have to be moved, XCarriage in X direction and whole Y+X gantries for Y direction could be an issue. Is that true? I can't seem to be...
View ArticleHELP!!! Nothing will upload to Mega 2560 (2 replies)
So I've had a pretty good time uploading firmware to the arduino so far but today when I was planning on changing the steps per mm on the extruder, I never got that far cause I could never upload....
View ArticleOpinion on motors (no replies)
Hello everyone! Could you guys give me your opinions on these motors? [www.ebay.com] They are 5 volt motors, will they work with these electronics? [www.ebay.com] I'm building a corexy machine. The...
View ArticleFull Graphic Smart Controller screen flickering (1 reply)
The green lights are on on the Arduino, but the green light on the Ramps is flickering constantly. I have reset and re-uploaded the firmware, but still getting the same results. Does anyone know what...
View Article:SCustom corexy first print, big issues! (4 replies)
This is my first time designing and building a custom corexy printer with Ramps 1.4 and Arduino mega. I just finished wireing and did my first test print, It seems to move to the right on the x axis...
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