Shaker Over-Applying Powder
medium
shaker
powder
Excess powder from high vibration/gate height → orange peel after cure.
Likely Causes
Shaker vibration is set too high: Dispenses too much powder.
Feed gate is open too wide: Allows an excessive amount of powder to fall.
Quick Checks
- Lower vibration or gate; weigh powder per square foot.
- Check feed auger timing.
Step-by-Step Fix
Reduce feed rate and vibration 10–20% — Targets spec spread
Acceptance Criteria
- Smooth surface, no pebbling on rub test