Gantry leveling

Topics Related to the ORD Bot Printer

Gantry leveling

Postby runninfarmer » Wed Jan 29, 2014 2:11 am

I ordered a pre-assembled ord bot platform and had to make a couple adjustments due to shipping possibly jarring things loose. My problem is that I can square up my gantry sides on a level, but I can't get the slides to ride down level. Here's a pic:


How can I go about correcting this? Should I add more eccentric spacers?

Thanks for the help!
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Joined: Mon Jan 27, 2014 3:08 am

Re: Gantry leveling

Postby fma » Wed Jan 29, 2014 7:50 am

This is the main problem with this design: it is a mess to align all parts, and get a correct geometry, because of over-constrains...

The 2 Z arms needs to be //; loosen one, then move the gantry up and down to be sure it can slide, and tighten again the Z arm.

Then, loosen the X arm, and make it perpendicular to Z arms.

You may find that wheels on one side of the X gantry (sliding on Z arm) are pushed sideways. This can have several causes:

- plastic spacers are too much tight, so become shorter than metal excentric (one solution is to buy metal spacers) -> X gantry plates are not aligned;
- Z arms are not in the same plan.

So, check everything to see if all parts are perfectly aligned. If not, you will have problems.
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