Planetary Gear Set for Crystal Puller Rotation
Compact planetary gear reduction set providing high-torque, low-speed crucible rotation in Czochralski crystal pullers for uniform semiconductor boule growth.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If complete gear boxes
Fully assembled planetary units classify as complete speed changers.
If crucible furnace components
Rotation drives for crystal furnaces sometimes classify there.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Specify rotation speeds (0.1-10 RPM typical) and torque ratings for pullers
• High-temperature alloy certification required for melt zone proximity
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