Reply To: MPCNC Version 2 -opinions-

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If you are still considering the EMT route for your Delta and do not wish to spend on the stainless steel may i suggest the same EMT conduit we all love. You may give it a go on a lathe. I polished mine to a almost mirror surface. My builds surface resistance to movement dropped quite dramaticaly after the change. On a related thought i spoke to a engineering student friend of mine my original thought was to strengthen the EMT with sand. He suggested that i pack the EMT with fine sand as tight as i could. He expected the strength change would not be too dramatic but the amount of harmonic vibration while running the unit would be greatly reduced as the surface contact of the sand to the EMT would increase the mass in which to dissipate this vibratory energy. On a delta may be of particular concern to you and to all wishing to reduce the vibratory movement of their build.