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Adjustable endstop for Y-axis ender 3

by Jonasen Apr 26, 2018
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I finished putting my E3 together and was surprised to find Y-Home to be 10mm in front of the bed. Checking around, I find that is a common problem and most solutions point right here. So I grabbed this part and printed it out. I even installed it while my E3 was in the middle of a print.

This has pretty much solved my Y-Home problem, though, truthfully, I could have used maybe 5mm more in adjustment space, but I'm still satisfied. Thanks!

Must have been a much larger bug (actual insect) in the tapping jig at Creality (or whomever they get to cut their extrusions) that kept the extrusion from seating all the way back in the jig. It's difficult to imagine who at Creality would design a fixed endstop - even in a part they assemble - and then not check to see where the bed ends up. They obviously never inspect the parts.

I wonder if the original assembly could be used with shorter screws and T-nuts - without having to print this very necessary adapter...

Anyway, thanks Jonas!

Yes. It somewhat embarrasses me to report that you can, in fact, simply replace the original bracket's supplied screws with a pair of M4x10 screws and some M4 T-nuts and you'll be able to put the original Y end-stop anywhere you want. And you don't have to remove the board and its overly-tight screws and risk damaging it or yourself.

Of course, if your original mounting bracket is broken, this thing is an excellent replacement.

Thank you for this model i am having a problem on my ender 3 where the y end stop is positioned to far back. This causes homing problems and cant be corrected easily since the end stop is screwed directly onto the frame and cant be adjusted. It should have been attached using
t-nuts so it is adjustable. Hopefully this will solve the problem.

Printed this before installing my dampers knowing I'd need it. I've seen some people on Reddit comment saying this causes their nozzle to hit the bed after moving their Y endstop up, I have not experienced that issue. Thanks for a perfect solution!

This will probably also work on the CR-X as the original part (Z-endstop) is to tall to adjust the endstop lower. It's printing now so I'm going to test it later on, but the measures is correct. Thanks mate :)

Comments deleted.

Thanks for the elegant solution! Works perfect!

Thanks a lot, this works perfectly to solve the stepper damper problem of the Creality Ender 3!

Seriously, where was this last night ? lol

I tried another one before this adjustable one and it didn't work, however this fully extended has solved my issue! THANK YOU!

Did exactly the same as danyoud hehe. Just the job works perfect. Thank you Jonasen!

I stupidly overtightened the screws on my original endstop the same day I built the printer and it snapped the plastic in half. I gorilla gluded it together and I've managed to do about 6 prints without any issues but I did plan to make a new one of these in Fusion 360 for when it finally gives up.

Thanks to you that's something I don't need to spend time doing and I'll print your version off once it's finished it's current print job.

Thanks for the design.

Thanks mines also broke it's currently 2 part epoxyed together but this will work much better.

Thank you for making this! My Ender 3 came with a Y limit switch that's too far back, so the bed moves too far back and causes the first row of the print to miss. Looks like this will address my problem!

Thank you for positive feedback!

Of course, thank you for sharing your design! I've printed and installed it, and it did fix my problem. Glad someone with some knowhow solved the issue.