Actuator Housing·Ridgeline Robotics
Trial 2
PartialA356Feb 18, 2026
Goal
Add a second riser over the top rib and raise pour temp.
Process
- Pour temp
- 725C
- Mold temp
- 185C
- Alloy batch
- A356-2602-A
- Trial date
- Feb 18, 2026
- Gating
- Bottom gate plus riser over boss and rib.
- Changed from the previous trial
- Second riser added. Pour temp 705 to 725.
What came out
Defects observed
Rib filled clean. Boss still shows fine porosity under x-ray, down from severe to minor.
Lessons learned
Feeding is now adequate. The remaining porosity is a wall thickness problem, not a gating one.