Cast-Iron Gear Hobber Ram Casting
Cast-iron ram casting that drives the hob cutter in gear hobbing machines for generating gear teeth. Meets exact machining limits of HTS 8466.93.15.30 for gear cutting machine rams.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If tool holders or self-opening dieheads
Special attachments like dieheads for gear machines have distinct subheadings.
If forged rather than cast
Forged iron/steel machine parts classify under Chapter 73 forged articles.
If for semiconductor crystal pullers
Machines growing semiconductor crystals like Czochralski pullers have dedicated Chapter 84 provisions.
Not sure which classification is right?
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Import Tips & Compliance
• Validate ram design exclusively for hobbing machines; common pitfall is confusing with general milling rams
• Use ISF filings early for large castings
Related Products under HTS 8466.93.15.30
Cast-Iron Gear Hobbing Machine Bed Casting
A cast-iron bed casting for gear hobbing machines used in cutting precise gear teeth on metal workpieces. It is machined only to remove casting imperfections and permit location in finishing machinery, qualifying under HTS 8466.93.15.30 as a bed casting specifically for metalworking machine tools for cutting gears.
Cast-Iron Gear Grinding Machine Base Casting
Rough cast-iron base for gear grinding machines designed to hold workpieces steady during abrasive finishing of gear surfaces. Meets HTS 8466.93.15.30 criteria as a base casting advanced only to cleaning and basic location machining for gear finishing tools.
Cast-Iron Gear Shaping Machine Table Casting
Cast-iron table casting for gear shaping machines that reciprocate to cut gear profiles on metal blanks. Limited machining for fins removal and fixturing aligns with HTS 8466.93.15.30 for gear cutting machine tables.
Cast-Iron Gear Finishing Machine Headstock Casting
Rough-machined cast-iron headstock casting supporting rotating spindles in gear finishing machines for spline or thread grinding. Specifically for 8456-8461 gear tools under HTS 8466.93.15.30.
Cast-Iron Gear Cutter Tailstock Casting
Cast-iron tailstock casting for supporting long gear blanks in hobbing or milling machines during cutting operations. Cleaned and minimally machined only, per HTS 8466.93.15.30 for gear metalworking tools.
Cast-Iron Gear Grinder Column Casting
Heavy cast-iron column casting providing vertical rigidity for wheelheads in gear grinding machines. Advanced solely by cleaning and locator machining, fitting HTS 8466.93.15.30 gear finishing criteria.