[Lab] Help choosing a stepper motor

Bob silicon at videotron.ca
Tue Nov 5 20:04:56 EST 2013


As a non-technical person my suggestion may be way off base, but perhaps
working with the guts of a scanner would fit the bill. Motor and belt
already to go.

 

Bob

 

 

From: Lab [mailto:lab-bounces at artengine.ca] On Behalf Of Wesley Ellis
Sent: Tuesday, November 05, 2013 7:28 PM
To: Michael Grant
Cc: lab
Subject: Re: [Lab] Help choosing a stepper motor

 

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> 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> 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-Moto
r-Drivers-TB6560-3A-New-/251369064893?pt=LH_DefaultDomain_0
<http://www.ebay.ca/itm/Good-CNC-Router-Single-1-Axis-Controller-Stepper-Mot
or-Drivers-TB6560-3A-New-/251369064893?pt=LH_DefaultDomain_0&hash=item3a86c3
89bd> &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> 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-dri
ver.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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