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Re: YABL - Yet another build log for the Kossel Mini! - 11 Jahre zuvor
QuotevreihenSounds like someone has not discovered ball-end allen keys yet! They are good for up to a 25 degree angle, and a real time-saver. Your knuckles will also thank you. Dude! Thank you! That's what the funny ends are for lol, I always wondered. Quotevreihen I have never read about an Azteeg X5 Pro being offered for sale, just the Mini. The price and customer service are incredible forvon Dejay - General
Re: YABL - Yet another build log for the Kossel Mini! - 11 Jahre zuvor
First day building Hurray! My kossel mini kit finally arrived It came in a pretty unorthodox box but looks great. I managed to screw the base and the top and the extruder together. My first impressions: I'm surprised at how small everything is! I really shouldn't be, but for some reason everything on the internet looks bigger on my 27" monitors There is a new build documentation on think3dprinvon Dejay - General
Re: Prototype Scara Robot Arm - 11 Jahre zuvor
The FLX.ARM.S16 looks really interesting, but personally I like your design better with the arm and end effector moving up and down. That enables a larger workspace around the arm, if the print bed doesn't have to move. Hmm I just got this crazy idea: I wonder if it's possible to design a scara arm that has both motor for primary rotation and up/down axis on the bottom. Rotate the whole tower atvon Dejay - Polar Machines, SCARA, Robot Arms
Re: YABL - Yet another build log for the Kossel Mini! - 11 Jahre zuvor
Yeah, but the Smoothieboard or the Azteeg X5 costs around 200€ too, so the BBB with the BeBoPr++ is the better option. Afaik it's also just the usual CPU but with 32bit and a bit faster, but still 10x slower than a Beaglebone.von Dejay - General
Re: Printed slides or wheels for T-Slot aluminium extrusions? - 11 Jahre zuvor
QuoteRaoulDuke I am just now building a printer out of t-slot extrusions. I plan to use printed PLA sliders, so far it looks very promising. I just print the parts to fit the extrusions exactly (too tight to move) , then heat them up with hot water and force the slider over the extrusion. I then move the silder across the whole range of motion and after a few seconds it moves freely. I think thevon Dejay - Extruded Aluminum Frames
Re: Printed slides or wheels for T-Slot aluminium extrusions? - 11 Jahre zuvor
PS: Forgot to add about 6) and 8): Jay Coture had some success using printed slides for his Kossel Mini (presumably misumi extrusions). Some links: Link to the new(?) iglidur material filament:von Dejay - Extruded Aluminum Frames
Printed slides or wheels for T-Slot aluminium extrusions? - 11 Jahre zuvor
I want to build a larger scale coreXY printer sometimes in the future (about 600 to 1000mm width, depending on feasibility) and would like to use aluminium extrusions for the carriage because of reduced weight, costs and increased stiffness compared to steel rods. How well suited are standard T-Slot aluminium extrusions for linear motion? (For example from motendis.com) Or should I use somethingvon Dejay - Extruded Aluminum Frames
Re: Atfer Hbot, go to CoreXY. - 11 Jahre zuvor
Hey, looks cool! What did you use for the linear motion rail for the wheel? Where do I get it? What is the size of the frame? Looks like 50cm What extrusions did you use? I was thinking of using 30x30 of 40x40 T-Slot extrusions from motendis for a large frame and make the CoreXY carriage from V-Slot. But using a linear rail is probably better and cheaper. BTW, is there a subforum for CoreXY /von Dejay - CoreXY Machines
Re: RepRap using DC Motors! - 11 Jahre zuvor
Unfortunately the New Matter MOD-t isn't open source though. For the t-mod kind of setup they could basically use an optical mouse to read movement. Like here (http://joshuavasquez.com/docs/jVasquez/Projects/dualMouseOdometry.html)von Dejay - Reprappers
Re: Atfer Hbot, go to CoreXY. - 11 Jahre zuvor
QuotezelogikI have put a droplet of oil on the rod and MAGIC !!! no more backlash It's was a stick-slip problem. You think the igus bushing was squished too tight or regularly by the printed enclosure? Would it be better to always use the aluminium encased igus bushings? Thanks and sorry for derailing your thread a bitvon Dejay - CoreXY Machines
Re: CoreXY Build - 11 Jahre zuvor
I am in no hurry since I'm still waiting for my kossel mini kit and have to build and get it working first. And then I'll have to learn cad first too. I just like your design, no crossing belts like they did with the fabtotum. Thank you for the info! For a non programmer git is a bit intimidating, tbh even for a programmer switching from earlier source control systems to git is You should justvon Dejay - Reprappers
Re: RepRap using DC Motors! - 11 Jahre zuvor
Quotelucasmun09you know where I can get documentation about what you mentioned? Thanks! Doesn't look to complicated. Read read read There are lots of tutorials since arduino is an education project. I would look for an arduino due KIT with some starter electronic stuff. You can play around even if you can't solder. You'll learn programming and tweaking in no time. You'll also find examplesvon Dejay - Reprappers
Re: Welchen delta drucker? - 11 Jahre zuvor
Vielen Dank für die Antworten! Mein inizialer post ist schon etwas älter, hatte mich danach recht schnell für den Kossel Mini von builda3dprinter.eu und ein Beaglebone Black + BeBoPr++ entschieden, und das Kit sollte demnächst ankommen. Den will ich dann erstmal auf Präzision und Geschwindigkeit optimieren und mir dann vielleicht einen zweiten Drucker in CoreXY und schwererer Ausführung für multivon Dejay - Allgemeines
Re: Magnetic Gears - 11 Jahre zuvor
Apparently someone patented this idea in 2009von Dejay - Look what I made!
Re: [SELL- Europe] Vslot Extrusion - Linear guide - NEW NEW NEW - 11 Jahre zuvor
Hello, I'm glad to see a shop that actually has V-Slot in stock in europe, and the other shops that sell V-Slot aren't cheaper, but the shipping costs are still a pretty big wrinkle. A single wheel costs 21€ shipping to germany, so I assume that is the base shipping cost. 4 x 1m V-slot 20x20 costs 36,00 € shipping, more than doubling the reasonable base price. It's basically the same price as shvon Dejay - For Sale
Re: Atfer Hbot, go to CoreXY. - 11 Jahre zuvor
Thanks for sharing the pictures tkole! Looks like a very neat design. What would you recommend for a 600 mm or even 1000 mm wide x axis gantry? You've gone with the 20x20 but probably 20x40 or 20x60 V-Slot is stiffer without that much more weight. Going back to the belt tightening and the additional edge the belt path takes, I've been thinking about this and I had an idea, but then I found thisvon Dejay - CoreXY Machines
Re: RepRap using DC Motors! - 11 Jahre zuvor
Quotelucasmun09Also, what is "DRO"? I heard of it but it is not ringing a bell for me. Thanks for your feedback! I don't know exactly lol! I assume it is a brand name for a large digital caliper. You can see it in the pictures that cozmicray made of his test rig. Basically to read the error manually when move the threadless lead screw nut back and forth. I assume that the maximum acceleration tvon Dejay - Reprappers
Re: CoreXY Build - 11 Jahre zuvor
Hi tjb1, any news on your project? Looks really good and I'd love to see some photos or hear what problems you ran into. I'm curious why you decided to put the belt inside of the vslot extrusions? (and not besides or under them) Would you share your cad files? I'm looking for a design that allows a really big printer, and using V-Slot extrusions for the carriage instead of steel rods might bevon Dejay - Reprappers
Re: RepRap using DC Motors! - 11 Jahre zuvor
I'm a total newbie to mechanics and electronics, but I think this idea has merit. Because if it works it would allow not only for less precision motors, but also for less precision mechanics, and cheaper costs. Backlash and other effects could be eliminated because you are measuring the precision not at the motor, but closer to the actuator, or the actual platform. For example a spectra line beltvon Dejay - Reprappers
Re: Atfer Hbot, go to CoreXY. - 11 Jahre zuvor
QuotetkoleI made a corexy machine out of vslot aluminum extrusion and vslot wheels. It runs very smooth with no appreciable flexing of the extrusions. The problem I am facing is with my extruder/hotend. I can't come up with an extruder design that can match the mechanical capability of the printer. Sounds interesting! Of course openbuilds vslot is made to be specially suited for linear motion, svon Dejay - CoreXY Machines
Re: Atfer Hbot, go to CoreXY. - 11 Jahre zuvor
Sorry for going a bit off topic here, I hope you won't mind I'd like to build (or actually I would like to have ) a printer with a really large print volume. Something like a 600 to 1000mm cube print volume. And it should be able to carry a dual direct extruder, or rather a quad extruder that can directly feed something like the kraken but with only 2 steppers. Is there a coreXY design that usvon Dejay - CoreXY Machines
Re: Atfer Hbot, go to CoreXY. - 11 Jahre zuvor
Quotezelogik@dejay: the reason with the 4 more pulley are wrote on the previous page :-) to resume, it's for easier belt alignement and easier belt tightening. Ah lol of course just the previous page! Thank you for answering anyway QuoteReinhold QuoteDejay fabtotum uses a two level CoreXY belt path. !NOPE! NO corexy - that honor belongs to Ilan Moyer! ... YOU might want to read the whole threavon Dejay - CoreXY Machines
Re: Atfer Hbot, go to CoreXY. - 11 Jahre zuvor
This might be a stupid question as I haven't read the whole thread yet, but why is the belt path the way it is near the motors? Couldn't you remove the 90 degree angle redirection and save 4 pulleys? Wouldn't removing 4 pulleys reduce friction and backlash a bit? Also, I'm not sure if I've seen it linked in this thread but the fabtotum uses a two level CoreXY belt path. Anybody has experiencesvon Dejay - CoreXY Machines
Re: SAPE Single Arm Printer Experiment - 11 Jahre zuvor
Really awesome, thanks for the video and please keep us updated! A robot arm that can print would offer many interesting possibilities, you could have it rotate 360 degree to move to a new print surface after finishing an object, or have it moving around. Then if you could scale up the design, you could have it print walls or houses!von Dejay - Polar Machines, SCARA, Robot Arms
Re: 3D Printing in Everyday Life: 5 Ways to Move The Industry Forward - 11 Jahre zuvor
Quotevictorjung The biggest problem is not about 3d peintres according to me. It s more about the conception of the object. I mean everybody have an inkjet or a laser printer cause everybody have the use of it, cause they know how to usr ms words or page or whatever.... But how many know how to design à 3d model for what they want with SW, catia sketchup or blender ? 3d printer cant become mainsvon Dejay - General
Re: SAPE Single Arm Printer Experiment - 11 Jahre zuvor
Really nice! Reprapable robot arms would be cool for a lot of things... The way computer vision catches up atm you could soon build a robot that can work in chaotic environments and use different tools to pick up stuff, tidy up your room, clean windows. Oh and 3D print of coursevon Dejay - Polar Machines, SCARA, Robot Arms
Re: metalbot.org down? - 11 Jahre zuvor
Ah yes! Site update apparently. Looks brand new!von Dejay - MetalicaRap
metalbot.org down? - 11 Jahre zuvor
metalbot.org I recently stumbled upon this very interesting wiki about projects to do DIY direct metal laser sintering, but before I got the chance to read in depth, the website gone down. I think any attempt in printing with metal is very worthwhile, even if the electron gun approach is superior of course, laser would be a good alternative approach. Is it just maintenance? Or is the website movon Dejay - MetalicaRap
Re: YABL - Yet another build log for the Kossel Mini! - 11 Jahre zuvor
Thanks for the correction, I'll have to look into how the different XY kinematics work. After my Kossel Mini I'd like to build a printer with a bigger print volume and best possible precision, and multi extruder of course. Not sure if both will be achievable at the same timevon Dejay - General