Re: [CAD_CAM_EDM_DRO] OT, Prusa Mendle page4 posted

On 10/11/2011 8:28 AM, Kevin Martin wrote:

>
> Ron,
> Did the holes in the big gear on the extruder allow you to tighten the
> motor mounting screws with the big gear in place?
> Our Wade's Extruder had a solid big gear, so we had to put in the
> drive shaft, adjust the gear mesh, snug the two back motor screws only
> (the other two were covered by the big gear), remove the drive shaft,
> tighten all the motor screws, and finally re-install the drive shaft.
> One of our complaints about our Wade's Extruder was that essentially
> to take any of it apart (or remove it from the X carriage on the
> printer) we pretty much had to take *all* of it apart.
>
> It looks like the holes in the big gear help solve part of this problem.
>
> -Kevin Martin
> the Papertrail Handmade Paper & Book Arts
> New Dundee, Ontario
> 518-884-7123
> www.papertrail.ca
>

No, they don't line up. The holes would have to be where the gear teeth
are, so that is not an option. I did it as you describe.
One possible fix would be to redesign it to rotate the stepper 45 degrees.
I think Adrians mounting will allow the big gear to be removed from the
shaft, but I'd have to look again to be sure.

--


Ron Thompson
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