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  1. 10-01-2014 #1
    Wejjmeister's Avatar
    Lives in Droitwich, United Kingdom.
    Wejjmeister
    Last Activity: 18-01-2019 Has been a member for 9-10 years. Has a total post count of 38.
    Next round guys Mk3!

    Click image for larger version.  Name: CNC CROUTER - Frame Mk3.jpg  Views: 798  Size: 110.6 KB  ID: 11240
    Click image for larger version.  Name: CNC CROUTER - Frame Mk3 with Bed.jpg  Views: 1369  Size: 126.4 KB  ID: 11238

    Removed steel form sides and changed bed supports. Any better? Saves a lot of excess steel.

    Click image for larger version.  Name: CNC CROUTER - Frame Mk3 With Gantry.jpg  Views: 5903  Size: 111.9 KB  ID: 11239

    Started on ideas for rails etc... let me know your thoughts please.

    Click image for larger version.  Name: X Axis Closeup.jpg  Views: 1344  Size: 164.4 KB  ID: 11241

    Click image for larger version.  Name: X Axis.jpg  Views: 875  Size: 149.9 KB  ID: 11242

    Think this should provide a strong setup, also thinking about using BK blocks to mount Ball screws? Will these be suitable?

    Thanks!!
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  2. 10-01-2014 #2
    Jonathan's Avatar
    Lives in Leicester (Home) or Nottingham University (2nd Home), United Kingdom.
    Jonathan
    Last Activity: 05-04-2020 Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 3,571. Received thanks 325 times, giving thanks to others 8 times. Referred 1 members to the community.
    The covers round your ballscrews will fill up with swarf and cause the ballnut to fail prematurely.

    Quote Originally Posted by Wejjmeister View Post
    Think this should provide a strong setup, also thinking about using BK blocks to mount Ball screws? Will these be suitable?
    Best way is to use a rotating nut. If not, then at this length you'll want two angular contact bearings at both ends to get a respectable speed. Search on Google 'ballscrew critical speed' for more information.
    Last edited by Jonathan; 10-01-2014 at 03:14 PM.
    Old router build log here. New router build log here. Lathe build log here.
    Electric motorbike project here.
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