@akhlut: Thanks for the introduction in the Ingentis community.by jand - CoreXY Machines
Just a quick update. I found the actual first object I printed on this printer. It is a belt-clamp to connect the belt to the carriage. I printed it in taulman 618, because at that time I did not have the resistors mounted on the heated bed. And I desperately wanted to print something. As you can hopefully see in the bad quality pictures It has way to much plastic. Not to bad for a first print.by jand - CoreXY Machines
@reinhold: Speed is not my first priority. My first priority is a stable, solid, rigid, reliable, etc. printer. But I will give it a try and share the results soon. I will give some more details on the extruder/hotend later today/tomorrow. Yes the motor drivers are working fine without extra cooling. I can touch them without burning my fingers. Will add heatsinks later anyway. @akhlut: actuaby jand - CoreXY Machines
My RepRap-XY has made a promotion. It has left my workbench and is allowed on my desk next to my mendel. Jus a few images while printing the a set of belt-clamps: I printed Nopheads famous cal.stl as one of the test objects. The results are good. The nuts are tight in the holes. I pressed them in with just my fingers. The vertical nuts on the side of the object fall out when you shake it juby jand - CoreXY Machines
@zelogik: Thanks for being an idiot, This meens I do not need to spend time on (thinking on) moving the Z-axis. So I keep it like it is. If someone wants the motor at the bottom it is possible to do so without redesign. I have an E3D hotend. It will fit, but it will be lower than on a mendel, because the ribs and fan do not fit inside the carriage. Still thinking how to solve it. Yes you areby jand - CoreXY Machines
I am not sure I like this idea. This way you move the Z-axis to the front of the machine. Not a good idea. You can turn the machine 90 degrees and use one of the sides as the front, but i do not like that. I don't like the looks of the X-assembly moving left-right instead of front-back, like it is now. I assume you want to place the Z-axis smooth rods at the black dots in the image. This is wherby jand - CoreXY Machines
@A2: Oeps, complete wrong explanation. Here is a linkby jand - CoreXY Machines
@A2: The part holding the LM12UU bearings are actually two parts separated vertically at the center of the bearing. The screws you see in the image are used to connect the parts together. I designed it for 6 screws Two at the top (which you see in the image) two at the bottom and two in the middle. I only used 4, which seems enough. Upto 4 screws are used to connect the part to the extrusion.by jand - CoreXY Machines
Finished the Z-axis yesterday. Today I started playing with the bed moving up and down. It runs very nice. I am very happy. I have not tried yet, but it should be easy to mount the motor at the bottom and the bearing at the top. It is also possible to mount the Z-nut unit upsidedown. It is in Github now. Just did a quick test in CAD for a upsidedown Z-axis. Have a look in test folder. and plby jand - CoreXY Machines
Je verhaal past niet bij de link die je meegaf. Mooie plaat overigens, wel een beetje prijzig.by jand - Marktplaats
Rob, Beterschap, en ik hoop dat je veel kunt opsteken bij Patrick. Veel succes bij het bouwen van het leuke machientje. Ik hoop ook dat je nu gevat wordt door een ander virus: Het 3D printen.by jand - Algemeen
Hoi Rob, Ik heb je Topic ook gezien. Naar mijn idee was er niets mis mee. Misschien is PCB milling niet helemaal relevant hier, maar het was wel een ding dat gemaakt is m.b.v. een 3D printer. Dus waren wel degelijk raakvlakken. Je verhaal was misschien wat warrig, Maar wie is er begonnen met knorrig zijn? Niet jij, in ieder geval. Als een topic niet relevant is dan sterft het vanzelf wel uit. Iby jand - Algemeen
@mogal Not much progress, just a few updates on github. I made a FreeCAD script to generate the STEP and STL files. I am working on the Z axis at the moment. I somehow thought it was wise to move the Z motor to the bottom of the frame, but it does mot make sense. So it's back at the top again. The Z nut holder is designed (but not yet in github) I am still waiting for the LM12UUs. They were sendby jand - CoreXY Machines
Kijk eens bij motedis.com in duitsland heb ik zelf ook bij besteld voor mijn nieuwe core-xy printerby jand - Mechanisch
Before my post checked for your nickname, but I missed the most imported one. The Title!! I updated it a minute ago.by jand - CoreXY Machines
Today is a big day for me. My first github repository, my first opensource project. I gathered all the files for my variant of Zelogik's design and put is in github. I put it online so you all can have a look at what I have been doing the last months. I did not put th STL files online. I want people to have a look at the design first, instead of starting to print without checking. All parts arby jand - CoreXY Machines
@mogal Nice work, I think your frame will be rigid enough when made from MDF. The only thing are the legs. I am not sure 1/4 inch ( 6mm) will be strong enough. And you may want to connect the vertical plates at a few places to make it more rigid although I am not sure it will be necessary. In your drawing I only see lead screws not vertical rods. I assume it is not yet in the drawing, youby jand - CoreXY Machines
Quotezelogik @mogol: Jand have all right and same question as jand, what's your plan for the belt path with motor outside...? MDF can't be bad, but on island I think you have some humidity, so dimensions change, so don't hesitate to paint or put some resin on it, or it's will be painful for Z calibration.(like first makerbot or first ultimaker on humide "ground/land") The link with video you haveby jand - CoreXY Machines
@mogal: Nice design for a MDF frame. It looks like you want to place the motors on the outside. How do you plan your belt path? I think it should be possible to use the plastic parts. You can bolt the corner pieces on the downside of the upper plate just like you would in the profiles. On the inside of the frame. @reinhold: No, everything is printed in ABS?by jand - CoreXY Machines
I think it will be possible to adapt the Y axis to 12mm, but it's probably difficult to keep the XY-block inside the frame, which is a requirement for me. The extrusions I used are 20mm. The Z-axis will be 12mm, so no problem here. Hang on FreeCAD sources and STEP files will be available soon! But now it's time to go to bed. Please note: THIS IS A WORK IN PROGRESS - IT IS NOT YET FINISHED.by jand - CoreXY Machines
@mogal: I am not sure how you will be able to make a frame from MDF that is rigit enough and easy adaptable to the printed corner parts. And I don't see why you want to use 12 mm rods, unless you want to scale it up really big. You will have a problem here, because the distance between the X-axis rods is 40mm. The size of an LM12UU is 21 mm, so this does not leave much space for the hotend in theby jand - CoreXY Machines
Maybe it is a good idea to publish it already now. All parts are desinged to use M4 screws to attach the plastic to the extrusions, so when you order T-nuts make sure they are M4. And make sure you get the ones that can be installed afterwards. This makes life a lot easier. I will try to make the files publishable this weekend an make a preliminary BOM.by jand - CoreXY Machines
>> What are the acceleration rates you have set? I used 9000 mm/s2 >> Are your plastic parts the current ones in the GITHUB? No the plastic parts are not in the github. In the github are zelogic’s original metal parts. I did not release them yet. The XY part and the frame seems to be OK, but the Z-stage has not yet been verified in real hardware. So I could release them now, butby jand - CoreXY Machines
I made a few pictures pictures and put them on my google drive here And a video of a first test. See attachment for actual gcode used. The pattern repeats at increasing speed: 6000, 12000, 18000, 24000, 30000 mm/min ( 100, 200, 300, 400 and 500 mm/s) I limited the max feed rate at 300 mm/s in firmware. It's time to build the Z-stage, unfortunately I have to wait for the LM12UU bearings, whiby jand - CoreXY Machines
Finally I made some progress. I build the frame, it is 40 cm in all directions (outside). All plastic parts for the XY movements are printed and installed in the frame. 8mm smooth rods are placed. For now it’s just plain steel rods from a hardware store. I will replace then later with precision hardened steel rods later. The belts, motors and pulleys are installed. I used an old RAMPS 1.2 I hadby jand - CoreXY Machines
@zelogic: Yes you are right, I forgot the spacer. So stupid, thanks!by jand - CoreXY Machines
Hi, I am a little bit sad, I was hoping to get some alu extrusions and some more stuff this weekend. The only thing I got was the F624zz bearings. The bearing on the left is the flanged bearing, the one on the right is the normal 624 bearing. The flanged bearing will be at the bottom. Here you can see how the belt wrap around the bearings. These two images show a potential problem. on tby jand - CoreXY Machines
@zelogic Noooooo, the Lm12UU are for the Z-axis. The Z-axis will be 12 mm, All other axis will be 8 mm and LM8UU bearings. I have plenty of LM8UU, so I don't have to order them. Hopefully this image will make things clear: The green things are the screws. The hole is for the screwdriver, not for the screws.by jand - CoreXY Machines
I finally decided on the size of the exrusions It will be 360 mm horizontal and 400 mm vertical. This gives a nice 40 cm cube. I'll give the "add+20mm-Drill-Hole-and-connect-to-center-M6-opposite-profile" option a try. Although I will probably use 10mm. I ordered the extrusions and two 12mm h6, ground and hardened shafts. Also the F624zz and LM12UU bearings are ordered.So hopefully I can build soby jand - CoreXY Machines