On Thu, 2011-04-28 at 09:33 +0900, Mark Thomas wrote: > A quick question. I have EMC2 controlling 3 different machines through > step/direction drivers I also have an older phase driver which is > connected to a small lathe using TurboCNC I believe I have read that > EMC2 will indeed work with phase drives but am having a hard time > finding info. Any ideas on where to start? > In case it may help, I think my mill uses a similar (unipolar) setup, stepgen type 9: http://www.wallacecompany.com/machine_shop/Shizuoka/
Type 9 is half-stepping, so some phases have one coil active while others have two coils active. The one-coil phases will have less maximum torque, but I set my .ini axis parameters to avoid missing steps, so full-stepping is not required for my setup and I get .0005" resolution. Reference Links: http://en.wikipedia.org/wiki/Stepper_motor (see 'unipolar' and 'half stepping' half way down the page) http://www.cs.uiowa.edu/~jones/step/ -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/index.html California, USA ------------------------------------------------------------------------------ WhatsUp Gold - Download Free Network Management Software The most intuitive, comprehensive, and cost-effective network management toolset available today. Delivers lowest initial acquisition cost and overall TCO of any competing solution. http://p.sf.net/sfu/whatsupgold-sd _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
