travel at feed 0.001 will be geometry of 1 inch end mill, with length of end mill 4 inch. 0.001 /min it is cutting feed only. rapid to new position will be much faster.
> It is my understanding that in a grinding machine: > > 1 -- Cutting forces are low. > > 2 -- Backlash is generally not important. > > 3 -- Smoothness of motion is very important. > > I would suggest that before you worry about how to drive the components > in slow motion, you should tell us how you plan to drive the components > smoothly. > > What are you going to use for linear (for the linear axis) bearings and > what will you use for rotary bearings? Stiction can be a major issue. > Air bearings come to mind as a possible solution. > > Regarding the feed rate of .001 inch per minute and the distance of 12 > inches. Am I correct in assuming that you would not be traversing that > length at that feed? If that is true, what is the actual distance that > has to be traveled at that rate for any given "pass. A simple mechanism > to provide very high reduction ratios is the differential screw. It > does, however, have a limited range of motion. > > It sounds like an interesting project. Do you have any sketches showing > the general layout? > > Ken > > [EMAIL PROTECTED] wrote: >> look design of harmonic derive. it is compact and small. you do not want >> to have huge gear reduction box on the machines. space are limited too. >> >>> Is there some reason why simple worm and wheel drives won't work here - >>> even two or three stages with backlash adjusted out? >>> >>> Ian >>> -------------------- >>> Ian W. Wright >>> Sheffield UK >>> >>> >>> ------------------------------------------------------------------------- >>> This SF.net email is sponsored by: Microsoft >>> Defy all challenges. Microsoft(R) Visual Studio 2008. >>> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ >>> _______________________________________________ >>> Emc-users mailing list >>> Emc-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/emc-users >>> >> >> >> >> ------------------------------------------------------------------------- >> This SF.net email is sponsored by: Microsoft >> Defy all challenges. Microsoft(R) Visual Studio 2008. >> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users > > -- > Kenneth Lerman > Mark Kenny Products Company, LLC > 55 Main Street > Newtown, CT 06470 > 888-ISO-SEVO > 203-426-7166 > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
