Z-Axis not functioning correctly

cass553

I am trying to build my Ordbot 3D printer and I'm having problems with the settings for the Z azis motors. I have put in a resolution of 2560 steps/mm (8mm threaded rods) but when I try and move 10mm in the Z direction using the Repetier-Host Manual Control in only moves a quarter turn, very slowly, at a rate of about 18 seconds for a full turn. My X and Y axis work fine. Can anyone suggest what I might be doing wrong and what settings I can change.

I have used Repetier configuration tool 0.92.9 to make up my firmware and configuration.h file, Does anyone have a sample file for this type of printer that I can look at. 

Repetier

Sounds correct, but please check what value is stored in eeprom for z axis resolution. Also not that you can not move too fast with that printer. Have the same and z moves only 2-3mm or I start loosing steps. Make sure rods rotate easily and that friction is low.

cass553

Thanks for the prompt reply. I've checked the rods and even taken the off the gantry weight and still no change. How do I check the eeprom value for the z axis resolution? I am very new to this and this is my first project.

Can you send me your configuration.h file so I can compare? 

MartinH

Repetier host 'manual' controls have there own speed settings in RH/config/printer settings/printer. maybe you need to adjust the Z feed rate 

cass553

I have just found where I can change the eeprom settings and they were incorrect. It now works fine, at least until my next problem.