Z Lead Screw update MK1  

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washi
(@washi)
New Member

Hey all,

i wanted to upgrade my i3 MK1 1,75 from the M3 threaded rods to the the new original lead screws and POM nuts from the MK3 or newer models. My plan was to mount them on the frame, but im not sure what would be the best method of correcting the Z Steps in the Firmware. Shall i use M92 G Code to save it permanently? Also im not sure about the correct Z Steps for the new original Leadscrews, can i look somwhere in the documentation or should i correct them empirically?

Thanks for any help!

best

washi

Posted : 10/02/2020 1:07 pm
dale.s liked
joan.t
(@joantabb)
Veteran Member Moderator

Hi Washi, 

the original Z screws should be M5 thread, not M3. 

are you keeping the glass bed and manual adjustment?

what pitch lead screws are you proposing to use?

it may be an idea to buy the mk2s to mk2,5 upgrade, and  use matching Z leadscrews which I believe are 8mm diameter 4 start, 8mm pitch...
integrated motors with lead screws are available on the prusa eshop.

this would  give you an upgrade to removable build plate, auto mesh bed leveling,  and a pre configured firmware!

 

regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK...
Posted : 25/09/2020 11:00 am
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