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Has anyone ever had one of the aluminum joints seize to the steel rod? It started 20 hours in on a 30+ hour print. It finished, but things did not right on top of the part. Woke up at 5am and took it part to find that the rod was turning in the platform. I got the joint off the rod, did a light file to get the junk out, then added a couple drops of 3 in 1 oil. Kinda good as new. Started up a 10 hour print this morning and hopefully will return to a complete part off work.

I'm probably looking at arm upgrades after this. Anyone have ideas for arms and joints that last the longest? I'm looking for durability and easy of replacement first. I'm think Tricklaser arms if I can get them. Just wont something I can buy and bolt on.

There has been a lot of the seized axles and now they have axles that are made of stainless steel available on the site for $9.
The combination of steel and aluminum causes oxidation between the joints, the stainless is not supposed to react the same way.
The joints are available made from plastic at http://seemecnc.com/collections/parts-a ... nt-sold-ea

The combination of plastic and the stainless should stop any future seizing of these parts.

I might have stainless steel rods, the kit is only a few months old. I think I got a burr inside and caused it to jam. The 3 in 1 oil seems to be working for now. I just hope that it keeps for the demo tomorrow at the meetup. I looked at overnighting new rods and joints. That was going to be $67 shipping. No thanks, that's way to much. Hope the joint doesnt seize while on display in front of everyone. Guys at SeeMeCNC seemed to think it was going to be OK. We'll see.

BONE wrote:I might have stainless steel rods, the kit is only a few months old. I think I got a burr inside and caused it to jam. The 3 in 1 oil seems to be working for now. I just hope that it keeps for the demo tomorrow at the meetup. I looked at overnighting new rods and joints. That was going to be $67 shipping. No thanks, that's way to much. Hope the joint doesnt seize while on display in front of everyone. Guys at SeeMeCNC seemed to think it was going to be OK. We'll see.

You should be good for the short term. I would think about replacing the joints with the plastic ones for a long term fix.
Good Luck.

I had one seize up as well. It was rather difficult to remove. I could not see anything wrong with the rod or the ujoint. I used metal polish on the rod and then inside the joint with a toothpick and then the toothpick wrapped with paper. And finally used the rod covered with the polish inside the ujoint.

Seems smooth now. Will add a minute amount of engine oil next chance I get.

Several people had this issue with V1's, usually it was a result of not lubricating the joint during assembly, I personally used Lithium grease on all the joints during assembly.

I'm thinking about the Trick Laser arms. How many people are running? Pro and cons?
http://www.tricklaser.com/Carbon-Fiber- ... M-CFTX.htm

They're nice, but also a lot more expensive than new axles and the Acetal u-joints.

g.

geneb wrote:They're nice, but also a lot more expensive than new axles and the Acetal u-joints.

g.

True, but is the extra cost worth the money? Do they really remove any slack in the arm/joint assembly? Does the quality of the print go up?