This is a system beefy enough to drive NEMA 23 and 24 motors. I'm considering this for a CNC router I'm building. You can get the 4.5A stepper drivers for $19 each.
http://www.pibot.com/set-of-pibot-electronics-kits-for-cnc-2-0-c.html ST On Friday, January 15, 2016 at 3:39:51 PM UTC-5, Joe Sommer wrote: > > > On Tuesday, September 16, 2008 at 7:22:51 PM UTC-4, RocketMan wrote: >> >> >>> I’d like to use a stepper motor for turret rotation, but I don’t >> have any experience with them. I’ve found inexpensive bipolar chopper >> drivers that are rated for 2A per motor phase. For anyone who has used >> steppers, do you think that would provide enough power to turn a tank >> turret ? These drivers have adjustable current limiting so I use less then >> 2A if that would suffice. I can also enable and disable them on the fly so >> the stepper isn’t powered when the tank is just sitting around >> > > Doug, > > My students love the EasyDriver from Sparkfun for smaller steppers. > It can do up to 30V 700mA per phase. > https://www.sparkfun.com/products/12779 > > They like the BigEasy for larger steppers. It can do up to 30V 2A per > phase with heat sink. > https://www.sparkfun.com/products/12859 > > I have a prototype turret rotate that uses EasyDriver, NEMA 17 stepper > 9 inch Lazy Susan, 16T 25P chain sprocket/hub and 80T custom ring gear > cut by waterjet. > http://www.mpja.com/Stepper-Motor-NEMA-17-12V/productinfo/18734%20MS > http://www.leevalley.com/US/wood/page.aspx?p=44014&cat=1,250,43298,43316 > https://www.servocity.com/html/aluminum_hub_mount_sprockets__.html > https://www.servocity.com/html/0_770__set_screw_hubs.html > > I will try to send some pictures next week. > > Joe > > > > > -- -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat --- You received this message because you are subscribed to the Google Groups "R/C Tank Combat" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
