Do you not have any springmakers locally? I sometimes get springs made, 1 off or 500. From a drawing, sample, or just verbal. They'll also understand you better, and once you have a sample of sorts, it's easier to edit.
Regards Roland On 23 February 2015 at 10:54, Viesturs Lācis <[email protected]> wrote: > Hello! > > I would appreciate, if someone could share a source for torsion > springs, moment needed is 70 Nm, when there is 90 degrees still left > to reach max angle (for 270 degree max angle that would be ~105 Nm max > moment). > I ordered Lesjofors springs, received them today and discovered that > in the catalogue they have Nmm instead of Nm, so my springs are 1000x > too weak. I still have to figure out, how could I make such a foolish > mistake... > The space available for each spring is pretty big. I was thinking > about torsion springs from garage doors, but they do not seem to have > such a great moment, they have very big max angle, which I do not > need. Actually several springs can be used for each cover. I need them > to hold 20+ kg covers (there are 10 of them), max movement range from > closed to open is ~90 degrees. The cover might be horizontal, when in > open position and the spring(s) have to hold it. > It is just that max moment for strongest Lesjofors spring is 25 Nm and > using 6 of them seems like too much at the moment. > Normally people use gas springs to hold such covers, but I do not have > a space to introduce some kind of mount for the other end of such a > spring - it would interfere with material to be loaded in the machine. > So if there is any useful advice, I will be happy to read it :) > > Viesturs > > > ------------------------------------------------------------------------------ > Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server > from Actuate! Instantly Supercharge Your Business Reports and Dashboards > with Interactivity, Sharing, Native Excel Exports, App Integration & more > Get technology previously reserved for billion-dollar corporations, FREE > > http://pubads.g.doubleclick.net/gampad/clk?id=190641631&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=190641631&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
