High-Precision Air-Bearing Dividing Head
Air-bearing dividing head for 5-axis machining centers (HTS 8464-8465), offering sub-arcsecond accuracy for aerospace and semiconductor applications. Classified in 8466.30.10.00 for its dividing head function with machine tools.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If predominantly electronic servo-driven
Advanced control systems may dominate over mechanical dividing classification.
If integral to semiconductor polishers
Per Chapter 84 notes, wafer grinder/polisher components use specific provisions.
If with dominant optical encoder
Precision measuring instruments for machining feedback shift to Chapter 90.
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Import Tips & Compliance
• Provide NIST-traceable accuracy certificates for air-bearing friction specs
• Declare cleanroom compatibility if for semiconductor end-use
• File EEI for high-value precision items regardless of simplified procedure eligibility
Related Products under HTS 8466.30.10.00
CNC Dividing Head for Milling Machines
A precision dividing head designed for use with CNC milling machines in headings 8459-8461, enabling accurate angular indexing and rotation of workpieces for machining complex geometries like gears and splines. It falls under HTS 8466.30.10.00 as a dividing head, a special attachment solely for machine tools of 8456-8465.
Manual Indexing Dividing Head BS-0 Model
The BS-0 manual dividing head is a compact accessory for vertical milling machines (HTS 8459), featuring 3-jaw chuck and worm gear for 360:1 ratio indexing in 2.5-degree increments. Classified under 8466.30.10.00 as a dividing head for machine tools.
Semi-Automatic Dividing Head with Pneumatic Clamp
This semi-automatic dividing head for horizontal boring mills (HTS 8458) includes pneumatic clamping and servo-driven indexing for high-volume production. It qualifies under HTS 8466.30.10.00 specifically for dividing heads used principally with 8456-8465 machines.
Universal Dividing Head DH-250 for Gear Cutting
The DH-250 universal dividing head supports gear hobbing and shaping machines (8456-8458), with rapid traverse and multiple spindle configurations. Falls under 8466.30.10.00 as a dedicated dividing head accessory.