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=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
>
>
>
>
>
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