Printing advice

A project log for TriMaxGripper & Linear Servo Actuator (GM)

3D Printing a Positional Servo Actuator

chiprobotchiprobot 06/05/2014 at 09:390 Comments

A number of people have contacted me with regards to the 3D building process to make one themselves :-

My best advice is only to be careful whilst printing the gear part.

 .... its printed with a wall thickness of 0.4mm

as it makes a 0.4mm spline that fits into the slot of the feedback potentiomenter.

If your printer fails to make the spline then you can easily slot/melt in a thin metal vane. (no worries)

Its also a good idea to print the Leadscrew first to see how your printer deals with the overhangs involved (If they dont form neatly then reduce your Z steps to finer detail .....