Hi, Yes, you'll probably do well with them despite the problem. I didn't notice it even after running them for several hours. It's only at certain voltage levels, current levels, certain speeds that the problem shows up.
Jeff ---------------------------------------- > Date: Sat, 12 Oct 2013 12:03:50 -0400 > From: linuxcncro...@gmail.com > To: emc-users@lists.sourceforge.net > Subject: Re: [Emc-users] TB6600 Single Axis stepper board > > Well I doubt that the Chinese are replacing their chips .. > I have enough non critical apps that I can use them even if they don't > properly hold position.. > I found them for $18.50 each including shipping.. Hard to beat.. > I'm going to buy three and try them out. > There are some videos on Youtube of that driver running motors .. they > sure sound good! > > Dave > > On 10/10/2013 10:06 PM, Jeff Pollard wrote: >> Hi, >> >> You need to make sure that they are using brand new (October 2013 or later >> is when the Toshiba engineer told me the new design would be ready) TB6600 >> chips. I found an error with the timing on the older version chips (pwm at >> zero crossing). They had to recall all of the chips. I ended up sending >> several thousand chips back. Fortunately I found the problem right before I >> was ready to ship any product. It is an very intermittent problem and only >> shows up in very limited circumstances. You might be able to use it for >> something like a pump, but don't use it for motion control where position is >> crucial. >> >> Jeff >> ---------------------------------------- >>> Date: Thu, 10 Oct 2013 21:58:49 -0400 >>> From: linuxcncro...@gmail.com >>> To: emc-users@lists.sourceforge.net >>> Subject: [Emc-users] TB6600 Single Axis stepper board >>> >>> >>> Has anyone used this device?? >>> >>> http://www.ebay.com/itm/181168877379?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649 >>> >>> $20 including shipping from China. >>> >>> It looks fairly well made and I haven't found many negatives about the >>> design. >>> >>> I have a need for some inexpensive small stepper drives. This is >>> suppose to be good for 4.5 amps at 45 volts. >>> >>> Dave >>> >>> >>> ------------------------------------------------------------------------------ >>> October Webinars: Code for Performance >>> Free Intel webinars can help you accelerate application performance. >>> Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most >>> from >>> the latest Intel processors and coprocessors. See abstracts and register> >>> http://pubads.g.doubleclick.net/gampad/clk?id=60134071&iu=/4140/ostg.clktrk >>> _______________________________________________ >>> Emc-users mailing list >>> Emc-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/emc-users >> ------------------------------------------------------------------------------ >> October Webinars: Code for Performance >> Free Intel webinars can help you accelerate application performance. >> Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from >> the latest Intel processors and coprocessors. See abstracts and register> >> http://pubads.g.doubleclick.net/gampad/clk?id=60134071&iu=/4140/ostg.clktrk >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------------ > October Webinars: Code for Performance > Free Intel webinars can help you accelerate application performance. > Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from > the latest Intel processors and coprocessors. See abstracts and register> > http://pubads.g.doubleclick.net/gampad/clk?id=60134071&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60134071&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
