Re: degrees of freedom - Hexapod

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
<dave_mucha@...> wrote:

> But since the I had thought that the struts needed to be in some form
> of tension, and the round table has all the struts at roughtly a 45
> deg, it seems they are at a mechanically weak location. Yes, bigger
> motors solves that problem.

The structure means that any forces put the struts in tension or
compression. 45 degrees is a good angle for them, the problems would
come when the table got very low, in some parallel kinematic machines
you can even get toggling if things are taken too far.

Graham