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  1. 16-08-2013 #11
    CraftyGeek's Avatar
    Lives in Norfolk, UK, United Kingdom.
    CraftyGeek
    Last Activity: 19-02-2015 Has been a member for 9-10 years. Has a total post count of 99. Received thanks 2 times, giving thanks to others 3 times.
    Ok - I have a gantry drawn up now that i'm feeling much happier about.

    Weight as it stands currently is approx 28.5kg...obviously z-axis & spindle etc still need to go on.

    Motor mount shown is rough & a guide only.
    Leadscrew is guide only.

    Teal parts: 75 x 50 x 3 steel box
    Green parts: 60 x 5 steel flat bar
    Bearing mounts: 15mm ecocast
    Front vertical plate: 5mm aluminium plate
    End braces: 15mm aluminium plate
    Rails are mounted on 50 x 10 aluminium flat bar

    Hopefully this is a decent blend of strength, precision/alignment & weight.

    Bracing for impact...thoughts?
    Attached Thumbnails Attached Thumbnails Click image for larger version.  Name: gantry_v1_pers.jpg  Views: 1005  Size: 73.4 KB  ID: 9510   Click image for larger version.  Name: gantry_v1_rear_pers_close.jpg  Views: 1202  Size: 102.1 KB  ID: 9512   Click image for larger version.  Name: gantry_v1_rear_pers.jpg  Views: 879  Size: 83.0 KB  ID: 9511  
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