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  1. #34
    Latest pics.... i clocked the bed top get it as true as possible . i will still M/C it when i get it powered up . i want to minimize the dust as much as possible. i have 2 nema 23 s , 4 NM for the x axis . i'm not sure if 1 motor would be enough and go with a belt drive for both ballscrews. i have read up on the different opinions here on this forum and on 1 versus 2 motors . the gantry with brackets , cables and spindle come in at 65 KGs .
    i'm going to move on to the electrics next and spec the various drivers, power supplies and other miscellaneous parts that will be required to get this baby up and running
    i would like to start on the electrics next so i'm hoping that someone here will give my nema 23s the thumbs up or down because i don't want to buy drivers for a motor configuration that is inadequate. i have pumped the numbers into Irvings spreadsheet ( what a piece of work , by the way) and they look good . i have read Eddys build a few times and hope to get my electrics as close as possible to his. Eddys ganrty is not as wide as mine and that why i'm curious about the 1 motor versus 2 on the x axis of my build and more to the point should i go with a nema 34 motor? any thoughts on the subject would surely nudge me on.
    my build changed as it went on due to extrusion being extrusion. it all looked great in the CAD model but when i went to assemble it in the designed configuration ( L shape bolting 2 pieces together at 90 degrees) it kicked up and played havoc with the brackets supporting it so i had design around the headache. this in turn lead to a change in the z axis configuration. i have left scope for a revisit to mechanical build but for the time being i want to get it running and discover if it needs a revisit. Paulro
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    Last edited by PAULRO; 05-02-2015 at 11:24 PM.

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