Originally Posted by
lgroulx200
Hi,
Yes, mass is desired. But you could build a simple torsion box with a foam core very quickly, easily and with greater accuracy for many people just starting out. The machine would be up and running much faster and if desired, use the machine to cut out complicated parts for a replacement gantry. For most work, the foam filled gantry would be more then enough.
They are building a new ring road in Edmonton AB. They are laying down 4" of foam, the road bed and then the asphalt. The foam is used to stop the frost. If heavy trucks can drive on the road then it should be more then fine for our machines.
Larry