> > You are looking at reducers on Aliexpress, so why not use T5 belt from > the same source? Then you have the option of using the Servobelt > system or something else? > Incidentally, I have the correct gear hob for T5 timing belt so can > tooth custom sprockets if that helps. > https://www.youtube.com/watch?v=ltmZrDrt6pQ
Well I'm not sure at all wich profile suits me the better. I was thinking about a round profile because I've reading about it's benefits but I'm not sure how noticeable they are. I'll let you know if I need to machine the T5 sprockets. You have a really nice setup (as always ha!) Thank you Andy! El mar., 23 abr. 2019 a las 11:33, Roland Jollivet (< [email protected]>) escribió: > On Tue, 23 Apr 2019 at 15:16, Leonardo Marsaglia <[email protected]> > wrote: > > > Well I think gluing a belt that long and wide with a proper jig or the > > right equipment could be a pain in the ass so I'm thinking about what > > Roland sugested. To machine the rack in wich the belt will be running. > That > > way I can guarantee zero strecth and perfect engagament. > > > > I plan to make the racks (I may be can call it linear pulley? or infinite > > diameter pulley) out of 6061 aluminum. Then I can set them up like a > normal > > rack but with the benefits of the servobelt system. I know this is not > the > > quickest solution but I can machine the racks easily here in the shop so > > that's not a big problem. > > > > I'm also thinking about using the loop servobelt setup wich I think it's > > more convenient. Here's a picture of the setup: > > > > > https://static1.squarespace.com/static/51396d24e4b01b4441c64c1f/51396d24e4b01b4441c64c2a/58f69bcff7e0ab3d0693dee9/1492556758738/2016-05-06+09.00.22.jpg > > . > > The only thing that I need to decide yet is the belt profile for the > > system, since I don't need the belts to fit into each other I can make > the > > racks with any profile. I'm thinking about using HTD or GT2 but that's > not > > decided yet. > > > > > Since you're going to machine the 'rack', the type of belt is no longer an > issue in terms of profile matching. > But the advantage of your choice of HTD is that all you'll need is a ball > nose cutter to machine a mating profile. > > I was wondering what you're going to machine, and if it's boards, only > boards, and forever boards, then you don't need much of a throat on the > machine. (daylight).. Not to be confused with Z travel. > So, if the racks are say 80mm above the board, you could link the two drive > pinions directly to each other with a 40mm tube. And then drive this. Now > you will never have to worry about skewing of the axes, or dual homing. > > And I would think you'd want at least an 8M belt, 30mm or wider? > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
