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Copyright.... Website created & maintained by GHQP
Page Created March 2016
FLEXIBLE COUPLED BALL SCREW END BEARING BLOCK
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Recently when I did the updated design and build to the Z-Axis of my CNC Router I incorporated a flexible coupling on the end of the Ball Screw to allow for any slight misalignment.This gave me the inclination to incorporate the same feature on both the X and Y Axis. To facilitate this I designed a new Ball Screw End Bearing Block to replace the original that incorporated a flexible coupling.
You will notice that I machined the bearing shells from clear acrylic, I often make my prototypes from acrylic as it is fast to machine and I can see through it for fine tuning the design. Anyway the clear acrylic ones worked perfectly and looked so good that I felt it unnecessary to even go to the step of making them out of aluminium. I have kept the files and thought that if I ever had to I could always re-make them in aluminium, however I doubt that this will ever be needed. At the bottom of this page I have placed links to download the basic design drawings and dimensions. I use Vectric Aspire for all my CNC CAD/CAM work and I have also included these files for download as well.
You will notice that I machined the bearing shells from clear acrylic, I often make my prototypes from acrylic as it is fast to machine and I can see through it for fine tuning the design. Anyway the clear acrylic ones worked perfectly and looked so good that I felt it unnecessary to even go to the step of making them out of aluminium. I have kept the files and thought that if I ever had to I could always re-make them in aluminium, however I doubt that this will ever be needed. At the bottom of this page I have placed links to download the basic design drawings and dimensions. I use Vectric Aspire for all my CNC CAD/CAM work and I have also included these files for download as well.
Please note that all the information and downloads provided on this page are intended for personal use only.
If you intend to use any of this information for commercial purposes please contact me for authority before doing so.
If you intend to use any of this information for commercial purposes please contact me for authority before doing so.
This video was edited using still images and video that I took throughout the development and assembly process.
Click the image to play the YouTube Video
Click the YouTube Logo to go to my Channel
Click the image to play the YouTube Video
Click the YouTube Logo to go to my Channel
DOWNLOADS
Dimensioned Drawings (.svg files) - All Machined Parts. Exported from Vectric Aspire. (zip file 21KB)
3D CAM Simulations (.jpg) - All Machined Parts. Exported from Vectric Aspire (zip file 149KB)
Full set of still photos (.jpg) - Those used for making the video. (zip file 9MB)
Scalable Vector Graphics (.SVG) is an XML-based vector image format for two-dimensional graphics with support for interactivity and animation. The SVG specification is an open standard developed by the World Wide Web Consortium (W3C) since 1999.
You can download a free SVG editor/viewer: "Inkscape SVG Editor" https://inkscape.org.
You can download a free SVG editor/viewer: "Inkscape SVG Editor" https://inkscape.org.
Vectric Aspire .crv3D files (zip 205KB)
Collection of Images
10mm Silver Steel rod with slot for C clip cut to length to suit final assembly.
Assembly of rod, bearing and flexible coupling. For the final assembly I used a Bellows type coupling, more for esthetics than anything else. Also I don't like the type of flexible coupling shown in this image. It was only used for setup while I waited for the Bellows couplings to arrive.
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3D CAM SIMULATIONS