Gear grinding or finishing machines
Part of: 846140 — Gear cutting, gear grinding or gear finishing machines:
813517 · 1995-08-22 — The tariff classification of a spur gear honing machine from Germany
The HURTH ZH 250 CNC Honing Machine utilizes a hard fine finishing process for machining the flanks of hardened spur gears. It improves the tooth geometry, refines the flank surface and results in tooth contact characteristics with a high contact ratio and a favorable impact on noise. The tool and workpiece drives are liquid cooled AC motors which are mounted directly on the drive shafts. You suggest that classification should be under subheading 8460.40.4060, HTS, which provides for honing or lapping machines. Heading 8460 however, provides for such machines other than gear cutting, gear…
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