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Forum: Motors & their mountings Sun 27 March 2011, 11:37
Replies: 278
Views: 277,592
Posted By bradm
Hello Steve- 145 Ncm = about 205 Oz/in. ...

Hello Steve-

145 Ncm = about 205 Oz/in. That's pretty small to drive a MechMate, and the MM design and components generally use NEMA 34 size motors, not NEMA 23 size motors.

MM's usually have...
Forum: Motors & their mountings Fri 10 September 2010, 21:24
Replies: 278
Views: 277,592
Posted By bradm
As I kind of hinted at up in #232, I'm with Sean...

As I kind of hinted at up in #232, I'm with Sean on this. As long as the indexer motor can be kept in close spec to the others, think in terms of adding one more driver, and a BOB. Since you gain...
Forum: Motors & their mountings Fri 10 September 2010, 13:35
Replies: 278
Views: 277,592
Posted By bradm
Mark, The problem is that real world shafts...

Mark,

The problem is that real world shafts aren't as stiff as you might think. They twist.

Mike,

You need two motors for the X. If you're thinking shaft, you need to (A) figure out where...
Forum: Motors & their mountings Fri 16 January 2009, 05:06
Replies: 278
Views: 277,592
Posted By bradm
Also, those are 5 phase steppers, which require...

Also, those are 5 phase steppers, which require special drivers. 5 phase steppers are arguably an obsolete technology branch these days; if you inherit a set with matched drivers that fits your...
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