We’ve competed assembly on one of the three Motor and Spool Sub-assemblies and we’ve discovered a few problems in the design. 1) The set screws are not holding onto the main shaft and are likely to be striped since the thread are made of plastic. Solution: Drive a pin […]
We 3D printed our first spool today. It’s amazing that the spool comes out of the machine ready to use, no filling required. To remove the support material, we must soak the part in a base bath for 24 hours.
One of the major design challenges in a cable-suspended haptic interface is the creation of the spool. The spool must be designed in a way to prevent the line from piling up as demonstrated by this video at 34 seconds. [youtube]http://www.youtube.com/watch?v=uwgFkACxgWc[/youtube] Not only does the piling up cause the line […]
