Kinematic Coupling Demo - Degrees of Freedom
Kinematic Coupling Demo - Degrees of Freedom
3D
Published 2019-10-24T04:30:14+00:00
This model demonstrates the principles of a Kinematic Coupling, which incorporates the concept of degrees of freedom. Two pieces are included, a base and a spider.
With one sphere in one groove, two translational degrees of freedom are constrained. With two, two translational degrees and two rotational degrees are constrained. With all three spheres in a groove, the spider is fully constrained.
The mechanism is thermally stable, as expansion will simply uniformly expand the grooves. It provides repeatable positioning, and is often used for change-out of low-force mechanisms and manupulators, such as CNC measurement probes and 3d printing head tool changers.
FreeCAD files included for modification.
This is a pretty simple print; no overhangs, no oddballs, just grooves and spherical ends. 4 walls with 25% infill is more than enough. Should be able to print it for under $0.50.
| Date published | 24/10/2019 |
| Menge an Filament | 25 grams |
| Dimensionen | 100x85x15mm (overall) |
| Support Free | YES |