I have finally able to post my JGRO pics. It looks a little confused but it works.
The three pieces of threaded rod running side to side under the bed pull the sides together therefore not allowing the gantry to sprawl the seamless rod outwards. The rods are also supported from underneath.
Cutting cedar curtain rod brackets for a friend's woodwork shop at 1016mm/min or 40" min with a 4.6mm plunge, 3/16" with 5 plunges to complete the cut. Cut time was 3 min for each one.
The little machine is a JCKleinbauer hawk mill. I will try circuit board routing with this one.
Jason