Topic: Setting up new steppers and drivers
Hi All,
In the interests of solving my y axis skipping problem, I have purchased some replacement stepper motors and new stepper motor drivers.
The drivers are still Pololu A4988 but come with little heatsinks.
The steppers are upgraded 17HS8401 with 1.8 amps current/phase (compared to 1.3 amps for the stock y-axis).
http://create3d.com.au/shop/product_inf … ucts_id/49
The best thread I've found for information on understanding the required currents and rating is here:
http://www.soliforum.com/topic/459/soli … iciencies/
A gap still exists in my understanding, however. Should I simply be setting the vref on the new driver board to target the max current of 1.8A or is there more calculation that goes into it? I would have though the physical force the stepper was moving would come into it.
Any explanations on the topic people could post up would be greatly appreciated, both by me and no doubt by future searchers.