Actuator Housing·Ridgeline Robotics
Trial 1
FailureA356Feb 4, 2026
Goal
First pour off the printed sand tool. Confirm the gating fills the encoder boss.
Process
- Pour temp
- 705C
- Mold temp
- 180C
- Alloy batch
- A356-2601-B
- Trial date
- Feb 4, 2026
- Gating
- Single bottom gate, 14mm runner, one riser over the boss.
- Changed from the previous trial
- First trial on this tool
What came out
Defects observed
Shrink porosity through the encoder boss, visible on section. Two of four parts short at the top rib.
Lessons learned
One riser cannot feed the boss and the rib. Needs a second feeder or a thicker section.