Motor housing

Organization

I was inspired by my friend Ethan to finally start organizing my fasteners and other little bits of hardware:

Ethan designed these 3d-printable stacking sub-bins - I have a lot of small fasteners, so these were really helpful:

Beginning of the stack:

 

Spinning things!

It spins!  A good end to the most productive week I've had in quite a while (on personal projects, at least):

More spinning things: turning the 3mm cam followers:

Tiny cam follower shafts done.  Thumb for scale:

Assembled cam follower "spindles" with a bearings:

Real blog post with more explanation coming soon-ish.

Undercutting tool

I needed an undercutting tool for the part in the last post, so I made one from an old HSS end mill.

ER32 chuck loosely held in an ER40 collet, serving as a manual rotary/linear axis.  Grinding wheel in the mill spindle:

One of the features it cut:

Screw mechanism progress

 Machining the rotor/cam nut for the screw mechanism:

Turned on a manual lathe to this point, then milled on the 5-axis:

Mid-finishing passes: