The design
My goal is to be able to make adjustments to my 3D printer without any tools being needed. That's why I designed this magnetic X carriage to be able to quickly change between different hotends. It has a total of 10 magnets which holds the quick plate to the X-carriage.
As always I'd love to get some feedback so please comment if you have time!UPDATE: MGN12 carriage added!
This design was inspired by Thingirobs Modular X car (http://www.thingiverse.com/thing:1438795) so the credit for the original design goes to him.
ATTENTION
This part can be hard to print, especially the X-carriage. To help with adhesion use hair spray!
This design has very low tolerances, therefore you will need to file:
- The underside of the holder
- The side notches of the holder
- The front notch of the holder
- The holes are very tight and might need a bit of drilling
File until the parts go into each other without a problem.
I'm working on an Instructional video! In the mean time, ask questions if you get any problems.
WHAT YOU NEED
All the parts from the old carriage
10x 5x3 Neodymium magnets (https://goo.gl/XW8Cm5)
2x M4x20
M4 nuts (optional)
Washers (optional)
JST connectors (optional)
XT30 connector (optional)
FAQ
Q. Are the magnets strong enough to hold the hotend?
A. Yes! there are 10 of them! Combined they create around 6kg (12lbs) of pulling force.
Q. What about vibrations and movement? Will it create artifacts on the prints?
A. No! As previously stated there are 10 magnets and 3 notches to keep the parts in place. The vibrations and the movement won't affect the quality of your prints.
Q. Will it hold a fan duct with fans?
A. Yes! It will!
Q. Do I have to glue the magnets in?
A. No!
Q. You made the holes too small!
A. No, your printer did :D Use a drill bit and drill the holes by hand. Makes sure not to remove too much plastic
Banholm
