I placed them far apart on the table but one slipped out of the part while trying to put the screw in and it jumped rather spectacular over the table right to another magnet. Now I got 4 instead of 2.
Fortunately they broke in a way that I could still screw them in.
I write this here up front, for everyone that wants to try the build like I did.
I did not follow the order described, as I read the warnings about the difficult belt inserts at the end.
Instead I first connected the gantry and the printed left and right parts. Then I screwed the metal plates onto the rails and placed the gantry on top. Then I started to insert the idler stacks by using a hex allen key from below the part through the adapter plate. This way I could add the belt while stacking the parts and it was totally easy to do so.
You might consider the help of another person to stack though, as the stacking while holding the allen key at the same time gets somewhat acrobatic at times :D Good part placement is key.
After the stacking and screwing the m5x55 through I attached the finished gantry to the metal adapter plates. This way the belts were already routed correctly.
(PS: To move the gantry for the rail alignment you can easily pull on both the loose belt ends on the side you want the gantry to go)
%#*@ I read this too late. Had to loosen the inner frame to get the motor mouts to fit. I left it loose and went on with installing the base plate and z motors. Then I wanted to adjust the inner frame again…had to untighten the whole base plate, the z motors and some corner brackets of the inner frame to get it back into the correct position…
It was much faster to first lay the rail on top of 2 centering tools like a bridge. Then I put in all the screws and placed all the nuts below the screws.
This way I could pick up one tnut with one hand and hold it onto the screw from below while using the drill from above to fasten it to like 90%. I then adjusted the orientation of the tnuts and fastened the rest by hand (remaining 10%)
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This warning is no joke…
I placed them far apart on the table but one slipped out of the part while trying to put the screw in and it jumped rather spectacular over the table right to another magnet. Now I got 4 instead of 2.
Fortunately they broke in a way that I could still screw them in.
I write this here up front, for everyone that wants to try the build like I did.
I did not follow the order described, as I read the warnings about the difficult belt inserts at the end.
Instead I first connected the gantry and the printed left and right parts. Then I screwed the metal plates onto the rails and placed the gantry on top. Then I started to insert the idler stacks by using a hex allen key from below the part through the adapter plate. This way I could add the belt while stacking the parts and it was totally easy to do so.
You might consider the help of another person to stack though, as the stacking while holding the allen key at the same time gets somewhat acrobatic at times :D Good part placement is key.
After the stacking and screwing the m5x55 through I attached the finished gantry to the metal adapter plates. This way the belts were already routed correctly.
(PS: To move the gantry for the rail alignment you can easily pull on both the loose belt ends on the side you want the gantry to go)
%#*@ I read this too late. Had to loosen the inner frame to get the motor mouts to fit. I left it loose and went on with installing the base plate and z motors. Then I wanted to adjust the inner frame again…had to untighten the whole base plate, the z motors and some corner brackets of the inner frame to get it back into the correct position…
It was much faster to first lay the rail on top of 2 centering tools like a bridge. Then I put in all the screws and placed all the nuts below the screws.
This way I could pick up one tnut with one hand and hold it onto the screw from below while using the drill from above to fasten it to like 90%. I then adjusted the orientation of the tnuts and fastened the rest by hand (remaining 10%)