I spent a good part of the day double checking my motor design before I start machining the outside.I’m glad I did, because without some adjustments It would not have been possible to machine the cooling slots.I ended up making a 3D rendering of the motor, the slitting saw and the bottom eand of the mill spindle. Then I adjusted things until only the cutting surfaces contacted the motor.In the pictures below the tool and mill is represented via the Gold solid as it sweeps along its cutting path.
The last picture shows the general layout.
- Blue is the slitting saw center line path.
- Black is the chamber
- Red is the cooling channel depth.
- Purple is the outer jacket (made in three pieces then welded back together.
- Green is the size of the raw stock that will form the outer jacket