Assembled Rotors

That's looking like a drive unit

 

Missing a rotor

Machining a new shaft for the rotor:

Improvised chip deflector for roughing

nice

Other side done

bearing and lock ring test fit

Next to the stock shaft.  Going for a normal press vs the straight knurl on the stock shaft.

I don't own a 2d printer and didn't plan far enough ahead to print the drawing at work, so this happened

Making More Kart Parts

 

Single-point keyway broaching

Ring Gear Machining

Ice Trike

 Dane tricked me into building something dumb

ice skate in a garbage pile at miters

bridgeporting out a skate holder

tires tuds

photo from adi

other dubious ice vehicles

Stator Assembly

 Stators shrink-fit into the housings:

Machining fixture turned into a guide fixture for the shrink-fit operation

Band heater wrapped around the housing to keep it hot while installing the stator:

Borrowed the pneumatic powered hydraulic press at work to make sure the stators didn't get stuck half way down:

3D printed 2-axis flexture kept the stators parallel to the housing but allowed them to center to the housing bore:

Lathe Spindle Motor Upgrade

Motor bracket laser cut and bent from .188" steel by SendCutSend:

Crufted NEMA-56-size Clearpath servo motor - integrated motor drive, plugs straight into single or 3-phase mains.

1:1 belt to the spindle:  

Pile of junk being replaced:

Spin-down comparison vs the original motor from 900 RPM:

More motor housing machining