Is the table driven both ways during normal operation? If not, might the problem be solved by a simple drive/driven lug setup that would allow the table to continue to move. Of course the lugs would have to be reengaged after the event.
If I missed this detail in the earlier posts, please excuse me. Raymond Julian Kettle River, MN The things we admire in men, kindness and generosity, openness, honesty, understanding and feeling are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest are the traits of success. And while men admire the quality of the first they love the produce of the second. -John Steinbeck, novelist, Nobel laureate (1902-1968) On 02/06/2015 12:39 PM, Viesturs Lācis wrote: > 2015-02-06 20:25 GMT+02:00 Gene Heskett <[email protected]>: >> >> I'd be quite amazed if someone actually builds a slip clutch on that sort of >> a scale where the thing might have 2+ tons to stop. I would expect to have >> to make it. > > It is supposed to rotate at 1 rad/s with 1 rad/s^2 acceleration. If my > 3D modelling software is correct about the moment of inertia of the > platform, then it would take ~375 Nm to achieve that. There will be > 4,5:1 reduction ratio with double-row chain, so 100 Nm torque limiter > on worm gearbox output shaft should do the trick (worm gearbox is also > rated for 100 Nm, service factor 1,4, so it should be good to > occasionally handle sudden increases of torque up to 100 Nm). All that > is needed is to find some cost-effective torque limiter. > > ------------------------------------------------------------------------------ > Dive into the World of Parallel Programming. The Go Parallel Website, > sponsored by Intel and developed in partnership with Slashdot Media, is your > hub for all things parallel software development, from weekly thought > leadership blogs to news, videos, case studies, tutorials and more. Take a > look and join the conversation now. http://goparallel.sourceforge.net/ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Dive into the World of Parallel Programming. The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
