I have block the longest is 9 " i set the stp to 400 in any way I could not get there in the distance 9" 228.6mm I change everything step pulse vol, ace, it did not work , I had to change the step to 400.7596819 and then at 9''was ok , as I check several times this distance . after I changed the distance to 1 inch , and at distance machine just traveled 25.2mm , as you can see all the time is the same problem . gentlemen, I want to write again , This is not the only problem with this machine I have 4 machines , and 2 are on gecko540 and the same problem. one on NSK ball screw whit thk Linear and the second ball screw form china and to thk Linear .
I wonder if this is not a problem with the power support , the seller may put some cheap power supply, if you can give me some good power supply, I will exchange