NEMA standards

[ynneb]

I wish to make a FAQ entry about NEMA standards.

Firstly, is Nema an anacronym for National Electrical Manufacturing Association?

Secondly, does any one know what the actual dimentions are for all the common stepper mounting plates. Example "Nema 23" translates into what actual dimentions?

Thanks for your help.

[High Seas]

Ynneb -
Benny, at http://xylotex.com there was a pdf - of the PacSci motors and shows all their dimensions, Maybe that'll help?
Cheers - Jim

[wjbzone]

Divide the NEMA number by 10 to get the approx size of flange. (23/10 = 2.3 square)

(Inches)
NEMA Flange-Size / Bolt-Spacing / Hole-Dia.
23 / 2.22 / 1.87 / 0.18
34 / 3.41 / 2.76 / 0.21
42 / 4.22 / 3.53 / 0.27

Bill

http://sanyo-denki-online.com/g/23inoutw.gif
http://sanyo-denki-online.com/g/34inoutw.gif
http://sanyo-denki-online.com/g/42inoutw.gif

[ynneb]

Thanks guys, would one of you like to submit it to the FAQ section ?
Here http://cnczone.com/forums/forumdisplay.php?f=172
I will if you dont want to.