Gear Hobbing Machine Bed Casting
This heavy-duty cast iron bed casting forms the foundational base for gear hobbing machines, which are metalworking tools specifically designed for cutting gears using a hob cutter. It supports the workpiece and hob head during high-precision gear tooth formation. Classified under HTS 8466.93.30.00 as a bed casting for gear-cutting metalworking machine tools of headings 8456-8461.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used in semiconductor wafer grinding machines
Parts for specialized semiconductor wafer preparation grinders (per statistical notes) are classified in Chapter 84 as semiconductor manufacturing equipment, not general metalworking.
If for machines of headings 8462-8465
If the bed casting is designed for gear-cutting machines like gear grinders (8464) rather than hobbing/shapers (8458), it shifts to the 'other machines' subheading.
If imported as unfinished iron casting without machine-specific machining
Unmachined castings of iron not yet adapted solely for gear machine use are classified by material in Chapter 73, not as machine parts.
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Import Tips & Compliance
• Verify the casting is specifically designed for gear hobbing or shaping machines to confirm classification under 8466.93.30.00; general lathe beds fall elsewhere
• Provide engineering drawings and machine compatibility certifications to customs for proof of principal use with gear-cutting tools
• Ensure material composition documentation (e.g
• cast iron grade) to avoid misclassification as finished machinery
Related Products under HTS 8466.93.30.00
Gear Shaping Machine Column Fabrication
A welded steel column fabrication that provides vertical support and rigidity in gear shaping machines, enabling precise reciprocating motion of the ram for cutting gear teeth. Essential for maintaining alignment during high-speed gear profiling operations. Falls under HTS 8466.93.30.00 due to its principal suitability for gear-cutting metalworking tools.
Bevel Gear Generator Headstock Casting
Cast iron headstock casting housing the spindle and drive mechanisms in bevel gear generator machines, which cut tapered gear teeth for differential and transmission applications. Provides precise rotational control during continuous indexing gear generation. HTS 8466.93.30.00 applies as a headstock for gear-cutting metalworking machine tools.
Gear Hobber Tailstock Weldment
Steel weldment tailstock assembly supporting the rear end of gear blanks in hobbing machines, allowing adjustable centering for precise hob cutter alignment. Critical for straight and helical gear production. Classified in HTS 8466.93.30.00 as a tailstock for gear-cutting machines.
Cylindrical Gear Cutter Ram Casting
Durable cast ram providing reciprocating drive for cutter tools in gear shaping and slotting machines used for internal/external gear teeth cutting. Ensures high-force, vibration-free motion. HTS 8466.93.30.00 for rams of gear metalworking tools.
Gear Milling Machine Cross Slide
Precision-ground cross slide enabling transverse workpiece movement in gear milling machines for accurate tooth space profiling. Features anti-backlash adjustments for gear accuracy. Under HTS 8466.93.30.00 as cross slide for gear-cutting tools.
Spline Gear Shaper Saddle Casting
Cast saddle supporting table rotation in spline gear shapers for cutting internal/external splines and serrations. Designed for heavy-duty indexing loads. HTS 8466.93.30.00 classification for gear machine saddles.