I actually did a test cast with the same stuff before, and using the same resin that had been more than a half a year standing, forming lumps, might have been the mistake. Beware of lumps, where ever...
Type: Posts; User: PropellerHat
I actually did a test cast with the same stuff before, and using the same resin that had been more than a half a year standing, forming lumps, might have been the mistake. Beware of lumps, where ever...
So to use big surface area against the epoxy? Darn, I was especially planning to use it as a direct mount table, with resin printed disposable standoffs (that for the cost should be as small as...
Yeah I casted it in last summer :(
Anybody knows how to peel the stuff off? Angle grinder?
Hi
I used this one:
https://kandydip.de/ecom/prestashop/epoxidharz-dipon/3993-epoxyplast-3d-b50-deep-pour-resin-ultra-diamond-clear-anti-uv-epoxidharz-i-epoxy-resin-diponr.html
I weighed the...
Hi gurus
As the topic tells, my machine base looks like a failure. I finally have managed to have time to fix several skull crushing out-of-nowhere issues after making the extremely laborious EG...
Hi
Thanks, it was easy on my part.
Yesterday I managed to adjust the new VFD to run the spindle properly, so the spindle is fine even though I started to wonder if that too is faulty.
The...
https://www.cnczone.com/forums/attachment.php?attachmentid=475330&stc=1Hi again
Sorry for the delay but I was down due to Covid.
Here is a photo of the nameplate, and the problem shooting...
Oh dear, hopefully I didn´t ruin the Siemens. I thought a quality product would have protection against poor settings. I have been poking them but honestly the user interface is quite complicated,...
Yep, the only professional component in my hobby CNC :D
Yesterday managed to put in action the new el Cheapo vfd just to notice that the problems remain. As long as I had the spindle attached to...
Yeah, it is a VFD to drive a spindle. Wiring checked and rebuilt. Also, I pulled the unit out and connected it only to the mains, and the potential in ground cable remained. Differential unlatched...
Hi
I have a 1,5Kw M440 in my selfmade cnc and it causes crazy problems out of blue now. Basically the machine has been a while unusable because when ever I enable the spindle (by connecting after...
Hi Peteeng
With "pullup" I mean the amount the epoxy is pulled up the inserts because of its´ surface tension. The resin I used is slow, 72hrs to get solid. And after that it still feels elastic....
Oh I forgot completely to update the string!
Here it is, ready. I had horrible difficulties to remove the mold because of being lazy and stupid with trying out teflon spray instead of wax as a...
Hi
Was the site down globally or how come I couldn´t load it for many days...
Yeah , The pieces are very similar in size indeed. I found some pool filter "Glass sand" from local hardware store...
Hi
I have hard time sourcing the necessary grades of sand and gravel for my very simple tabletop EG build (especially as I don´t drive and live in a city far from this sort of industry), and was...
I live in Barcelona, Spain. Yeah I found some cheapo compressor chillers in Amazon, don´t want to order that big stuff from China because it will certainly get stuck in the customs.
Could I get...
Hi
I am dreaming of building a laser cutter able to cut through about 10mm of PMMA or similar. I have built several big 3D printers and a CNC for milling aluminium and feel confident about...
Hi
I have a weird problem that started the last time I was using my DIY CNC. I have a raspberry Pi controlled machine and a PWM to analog 0-10v gizmo. Last night at the workshop the spindle didn't...
Graphite is soft.
OK, thanks. I am looking for Telemechanique psn - det 61 11 switches now, 1 ordered and tomorrow I can try it out. If it´s no good I´ll probably do 3D printer sort of flingy but precise solution with...
Hi
I have been struggling with my Mill-Router hybrid´s end switches for a couple of days and after trying a lot of different tricks ended up pulling apart one of the switches I planned to use....
Pls read before answering. I put 20mm already, and I know what it means. What is a mystery is how to fix it.
Hi yall!
I have tried for hours to solve this nut scratcher:
When homing Z does fine. X gets alarm 8 (failure to clear the endstop) after the first, faster search. I have them set normally...
Hi
Is there (affordable) options to get a nice surface finish on aluminium with these mentioned spindle details? (it is a Teknomotor)
I am dreaming of an insert type face mill but honestly have...
Thanks peteeng, this was a lot of good info. Yeah I guess if one of the screws was more efficient the less efficient one would have to get a lot hotter.
Obviously the main benefit of a big screw...
Maybe I should reformulate the question...
Imagine 2 different 5mm pitch screws, one 16mm diameter and the other 25mm, both pushing a load of let´s say 500Kgf, slowly (no effect of inertia) and...
Yeah, an enclosure would be the real solution but I´m short on funds and space. The irritating part of enclosing a mill is that there are these protruding parts like the steppers in the ends of the...
Hi
I am building my first mill (40mm series extrusion frame) and I would like to skip building a huge and expensive box around it. How to protect myself from the bits breaking and flying like...
Thanks for profound replies.
I am building a machine but this is not really a question for that, more "just a thought" as I stumbled upon the fact that pushing a load uphill on a steeper climb...
Hmmm... Not convinced in here.
Sure a big one is sturdy but that's not my question.