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-   -   Drilling Gantry for cable chain support (http://www.mechmate.com/forums/showthread.php?t=3272)

Red_boards Sat 05 February 2011 05:15

Drilling Gantry for cable chain support
 
I see that the cable chain support is bolted to the gantry tube. I can't find a plan detailing this. Is it necessary to use a clamp strip for this or can the thin beam walls support the weight?

JamesJ Sat 05 February 2011 06:31

I drilled and tapped the gantry tube. The recommended minimum thread depth for 6 mm is around 4.7 mm and the thread depth in this case is around 3.1 mm. As long as you do not overtighten I think it will be fine.

Gerald D Sat 05 February 2011 08:11

I used big self-tapping screws. Big blind rivets will also be okay. The wall is thick enough to carry that light load.


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