Thanks for the prompt reply. Rose joint is a new term for me, I have tried rod end and ball joint before and results are plenty. The difficulty lies is separating crappy from non-crappy . Before your reply I was looking into the POSA(5) series, popular with our overseas buddies. They are cheap, allow for M5 bolts (with come in partially threaded version of the getgo) but do risk being proper chby Nxt-1 - Delta Machines
I have been using plastic MP Jet ball joints on my large delta for a while now. I want to rebuild and replace the arms and am looking for larger diameter CF tubes (got those already) and metal instead of plastic joints. Or at the very least stiffer alternatives. Since the current V1 types I used seem high quality and have served me will I looked into the V3 types from MP Jet. I orderd a full setby Nxt-1 - Delta Machines
With regards to the plastic SMCNC joints, I can offer my experiences, as I owned a Rostock Max V3 for about 2 years until I made my own design delta. In my experience the backlash is very very minimal if anything at all. Friction was low as and they offer a good range of motion. Their main disadvantage that I have found is rigidity. The transition from the ball end to to where the screws go throuby Nxt-1 - Delta Machines
Quotehercek Anwyay, I have a good experience with MP-Jet joints. Do you ever lubricate your MP-Jet joints? I have silicon spray, super lube and EP2 white lithium grease laying around.by Nxt-1 - Delta Machines
My new printer is finally up and running. There are still numerous changes and improvements planned but at least it can move, heat and extrude now . Complete the PN_ON level inverting circuit to control the Meanwell PSU Add grounding to the tower steppers and maybe some extra frame grounding as well Add a 4th tower axis and move the extruder to it Change from FSR's as a Z-probe to a Smart Effecby Nxt-1 - Delta Machines
The construction of my frame should be completed either this or next week. It's time to start cutting and gluing the rods (I've decided on 500mm total length), is there anything I should keep in mind while making them? Any common mistakes I can avoid. I am using a jig (two holes in the top plate of my printer frame)by Nxt-1 - Delta Machines
Quotehercek QuoteNxt-1 For the rods, you specify 5/3mm CF rods, would 4/3mm work as well? I'd love to avoid spending shipping cost on each order for the rod ends/epoxy/CF rods, so preferably I order everything though . They don't seem to offer 5/3mm sadly. It might be interesting that for the moment, I will be operating a fairly heavy effector (BondtechBMG + E3D-v6 on there). The carbon rods wilby Nxt-1 - Delta Machines
QuoteFA-MAS Here's a pic of the jig I used to build my rods. https://reprap.org/forum/read.php?178,788150,796665#msg-796665 I did however forget to measure the distance between centers on the ends so I had to make an educated guess on the rod length. Edit: There is space to do 2 rods at once, but I ended up only doing one at a time and using the same spot in the jig so I could be sure they werby Nxt-1 - Delta Machines
Quotehercek QuoteNxt-1 A second point I would really love input on is arms, and especially how to construct them. I more or less decided on 6/4mm pultruded carbon rods, with MP-Jet ball links (here and here). I wonder how people generally attach their joints to the rods. Maybe a piece of M3 threaded rod stock in glued in the joint and that in turn epoxied in the CF rod? If this is a viable way toby Nxt-1 - Delta Machines
Since a couple of weeks I have started designing my own hexagonal delta, which I have dubbed the Deltex. As design choices are still being made left and right I would love advice/input from others. The 1st idea was to work with C-beam extrusions screwed to rather thick metal top and bottom plates. A pair of (Robotdigg) MGN12, 1 meter linear rails would be mounted per tower, with the belts runninby Nxt-1 - Delta Machines