Stepper motor question???

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moto633
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Stepper motor question???

Post by moto633 »

I am trying to figure out the size of my steppers ie. the mount.
Does any one know the standard dims for a nema34 or nema 23 mount??
So I can measure mine and figure it out :shock:
Thanks,
Nick

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glenn
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Model of CNC Machine: home brew 40x20
Location: McArthur, Ohio U.S.A.

Re: Stepper motor question???

Post by glenn »

Howdy Nick,
Will this help at all? http://www.aerotech.com/products/motors/1000dims.html
Glenn :D
Edit...I'd like to see your new lathe , I know it's on it's way soon, and I'm following your build, Jim Mcgrew's build and learning from you guy's 'cause I will definitely go with 4th axis, cncwrapper and eventually aspire $$ !!
Last edited by glenn on Thu Oct 22, 2009 1:35 am, edited 1 time in total.

moto633
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Re: Stepper motor question???

Post by moto633 »

Thanks Glen!! I guess I have 34's

That open invite still stands if you ever come up this way!!

Thanks again,
Nick

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glenn
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Re: Stepper motor question???

Post by glenn »

Many Thanks for the invite...I will take you up on this very soon...sooo busy!
Glenn

I edited the wrong post.sorry if it doesn't make sense

gravirozo
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Re: Stepper motor question???

Post by gravirozo »

hello nick


most website, or companies suggest to using same size like others exist on your machine...
if your controller would have 3 axis exist, then take picture about axiscontroller and write down all available info you find on the controllers... very possible you bought from, they can help you...
for second you can try camaster, you already know them...

for part, timing belt, and pulleys the sdpi website can give you part...

http://www.sdp-si.com/

for this, to buy part, just start it if you can put on paper the part, and you have acces to make it, or in a local shop you can order...

thanks
viktor
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moto633
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Re: Stepper motor question???

Post by moto633 »

Thank you Viktor!

I emailed the support for my router and I don't think they understood what I was asking. Your english is MUCH better than theirs! :lol:
I want to match motor types for my rotary axis so I can use the same drives etc.

Thanks again,
Nick

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ManitobaKeith
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Re: Stepper motor question???

Post by ManitobaKeith »

Good Morning Nick,
:D Hope you have your Starbucks already! :D

As for motor, I would doubt if you need the same motor for the A axis.
Are you adding another controller or does the existing one have a free axis?
If adding an extra channel of control, then you can size it & the motor however you wish.

I would guess that a 425 would be OK, but Greolt might say otherwise.
I would personally use ~4:1 ratio as that can be done in one conversion, with one set of pulleys from McMaster (60:15) and a belt. The CAMaster guys use ~ 3.8:1 on the one that was in SC. It might also make a difference as to how you are using it and the desired accuracy.

OH, BTW: there are two of us here in Canada, that are looking at building a new rack & pinion machine with a (4'-8') 4th axis (on the long side) using 8020 & steel.

Have a great one!
Keith
It is not only what we do,but also what we do not do,for which we are accountable-Jean Moliere

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