Friday 2 March 2012

Frame and mechanical build - X carriage

Nut traps - page 46

I found it easiest if you get the nuts into the trap then insert the smooth rod (or a section of) then tighten the bolts with the rod keeping the nut from falling out.

Glueing the bushings - page 69

I had found this rather annoying. You need to rest or clamp the X carriage against something when they are drying, otherwise the bushings won't be flush against the bars.
Skip to section 14 (clamping the smooth rods to the top)  then apply the glue, push the 2 parts onto the bushings then tighten the bolts on the underside.
After the glue has set check the bushings jog along the smooth bars, if they don't clamp them back on the top and loosen or tighten the underside bolts.

Z axis threaded rod - page 71

If you don't have the springs for the Z axis you simply need to drop a m8 nut into the top nut trap.
Its very easy to read it as all of step 17 is optional, its not without a nut in the top the x carriage will jump out of align.

X carriage belt - 83

Make sure the belt lines up before fastening them, if its too far away from the smooth rod it will cause the belt to slide off the bearing. This will in turn lead to the belt both rubbing the washer and randomly snagging on the washer.

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