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SThood:
⚙️ 1. Electromagnetic vibration
An electromagnetic coil rapidly pulses (typically 50–120 Hz), causing the bowl to oscillate.
This vibration isn’t random — it’s tuned for amplitude and frequency based on:
• Part mass
• Friction coefficient
• Geometry
• Desired feed rate
The bowl doesn’t just move up and down. It moves in a spiral micro-throw motion — tiny upward and forward movements that “walk” parts along a helical track.
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🧲 2. Directional motion from angled springs
The bowl is mounted on angled leaf springs.
When vibration occurs, those springs convert vertical oscillation into a combined vertical + horizontal vector.
That angled motion = forward travel.
No conveyor belt.
Just physics.
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🧩 3. Passive mechanical orientation
As parts climb the spiral track, they encounter:
• Cutouts
• Rails
• Air jets
• Dead zones
• Step drops
Incorrectly oriented parts fall back into the bowl.
Correct ones continue upward.
This is called mechanical orientation sorting — using geometry instead of sensors.
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