[Lab] Help choosing a stepper motor

[Wesley Ellis]

No, the stepper motor is going to drive a pulley to rotate a platform

On 11/4/2013, 9:52 PM, Michael Grant wrote:
> Does the mass need to be lifted against gravity?
>
> Michael
> --
> http://krazatchu.ca/
>
>
> On Mon, Nov 4, 2013 at 9:45 PM, Wesley Ellis <tahnok at gmail.com
> <mailto:tahnok at gmail.com>> wrote:
>
>     The mass isn't very heavy (probably 500g) and I don't need the
>     resolution of something like a cnc or 3d printer motor and speed
>     isn't super important
>
>     On Nov 4, 2013 9:36 PM, "Michael Grant" <michael at krazatchu.ca
>     <mailto:michael at krazatchu.ca>> wrote:
>
>         The easy driver is for bipolar only, it's a good choice for
>         small steppers (NEMA17).
>
>         There are many choices on eBay as well, about $11 will get you
>         a serious CNC driver for larger steppers (NEMA23).
>         http://www.ebay.ca/itm/Good-CNC-Router-Single-1-Axis-Controller-Stepper-Motor-Drivers-TB6560-3A-New-/251369064893?pt=LH_DefaultDomain_0&hash=item3a86c389bd
>
>         What resolution and speed are you looking to achieve?
>         The mass you are rotating, is it heavy and will you require
>         fast start and stop?
>
>         Michael Grant
>         --
>         http://krazatchu.ca/
>
>
>         On Mon, Nov 4, 2013 at 9:22 PM, Wesley Ellis <tahnok at gmail.com
>         <mailto:tahnok at gmail.com>> wrote:
>
>             Hey all,
>
>             I'm pretty new to electronics and I'm having trouble
>             choosing a stepper
>             motor for a project I'm working on.
>
>             I'm ordering from robot shotp, and it looks like this
>             EasyDriver board
>             (https://secure.robotshop.com/ca/en/sfe-easydriver-bipolar-stepper-motor-driver.html)
>             will let me control whichever motor I end up choosing, but
>             the number of
>             motors on robotshop is pretty intimidating.
>
>             I'm going to be spinning a small platform so I don't need
>             a lot of
>             power. Basically, I'm wondering whether I need a bipolar
>             or unipolar
>             motor? What kind of voltage? Amperage? Any help would be
>             appreciated
>
>             Wesley
>
>
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