Tag Archives: bearing

I talked a couple weeks ago about how you can design fixtures and constraints for holding pieces in precise alignment. But not always do you want machine pieces to hold still – sometimes you want them to move. If you want pieces to move a long way (also called “large range of motion”), you can use things like bearings, slides, and gears. But because I work in the precision world, often I want things to move only a small amount – a millimeter or less. (This is much the same as you would use bolts or clamps for fixturing a non-precise machine, but I need to use kinematic couplings for micrometer precision). So I thought today I would talk about designing flexures. And because I came down a little harder than I intended on theoretical engineers last week, I’ll show the modeling I use to design a flexure. (I do…

Read more