How many trucks to hold Z axis? | | I'm making a Y-Axis with two IKO 20mm linear rails with LWES20 trucks. At first I was planning on using four trucks (two each top and bottom) but after playing with the trucks for a while they seem really, REALLY steady. I'm thinking I might be able to use just two trucks, one per rail. Is this a bad idea?
The machine its going on uses 272oz/in steppers with a 1/2-10 leadscrew and pushes around a 2.25HP router. Do you think this would be too weak when moving along the Y axis? |