Wheel Hub Carrier·Orbit Mobility
Trial 2
SuccessA356May 19, 2026graduated to production
Goal
Chill the lower arm so it freezes before the boss.
Process
- Pour temp
- 712C
- Mold temp
- 190C
- Alloy batch
- A356-2605-D
- Trial date
- May 19, 2026
- Gating
- Bottom gate, boss riser, arm chill.
- Changed from the previous trial
- Chill added at the lower arm.
What came out
Defects observed
Clean bore and clean arm on all four. Dye penetrant passed.
Lessons learned
Directional solidification, forced. Chill the far end, feed the near end.