Tuesday, May 21, 2024

Monday, April 15, 2024

That's looking like a drive unit


Missing a rotor

Machining a new shaft for the rotor:

Improvised chip deflector for roughing


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

Thursday, February 29, 2024

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

Monday, February 19, 2024

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:

Sunday, February 4, 2024

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: