Machine-tools; gear cutting, gear grinding or gear finishing machines, working by removing metal, sintered metal carbides or cermets

HS v2022 Code: 846140

About machine-tools; gear cutting, gear grinding or gear finishing machines, working by removing metal, sintered metal carbides or cermets

HS code 846140 covers a critical segment of the metalworking machinery industry, encompassing specialized machine tools used for cutting, grinding, and finishing gears. These highly precise machines play a vital role in the production of a wide range of industrial and automotive components, contributing to the efficient functioning of various sectors within the broader manufacturing economy.

Production process

Machines falling under HS code 846140 utilize a range of advanced techniques to shape and refine gears. Common methods include gear cutting, where the desired gear profile is created by removing material from a workpiece, and gear grinding, which involves the use of abrasive wheels to achieve a high-quality, precise finish. Gear finishing machines may also employ techniques such as honing or lapping to further improve the surface quality and dimensional accuracy of the final product.

Production inputs

The production of machines covered by HS code 846140 requires a variety of specialized inputs, including high-quality steel alloys, precision bearings, and advanced cutting tools. Additionally, these machines often incorporate sophisticated electronic controls and software systems to ensure accurate and efficient operation. The manufacturing process also relies on skilled technicians and engineers to design, assemble, and maintain these complex pieces of equipment.

Production outputs

Machines classified under HS code 846140 are primarily used to manufacture gears and gear-related components for a wide range of industries, including 870000 Motor vehicles, trailers and semi-trailers, 840000 Machinery and mechanical appliances; parts thereof, and 848000 Machinery; parts thereof, not specified or included elsewhere in this chapter. The high-precision gears produced by these machines are essential for the proper functioning of various mechanical systems, from industrial machinery to consumer products.

Revisions to 846140

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 846140. The most recent 1 version of this code (846140) is in the HS v2022 system (this version):

This page shows the most recent version of code 846140.

Family tree for machine-tools; gear cutting, gear grinding or gear finishing machines, working by removing metal, sintered metal carbides or cermets

    graph LR
    A["<a href='/classifications/hs/v2022/84'>84: Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2022/8461'>8461: Machine-tools; for planing, shaping, slotting, broaching, gear cutting and grinding, finishing, sawing, cutting off and other tools working by removing metal, sintered metal carbides or cermets n.e.c.</a>"]
B --> C["<a href='/classifications/hs/v2022/846140'>846140: Machine-tools; gear cutting, gear grinding or gear finishing machines, working by removing metal, sintered metal carbides or cermets</a>"]

    B --> D["<a href='/classifications/hs/v2022/846120'>846120: Machine-tools; shaping or slotting machines, working by removing metal, sintered metal carbides or cermets</a>"]
B --> E["<a href='/classifications/hs/v2022/846130'>846130: Machine-tools; broaching machines, working by removing metal, sintered metal carbides or cermets</a>"]
B --> F["<a href='/classifications/hs/v2022/846150'>846150: Machine-tools; sawing or cutting-off machines, working by removing metal, sintered metal carbides or cermets</a>"]
B --> G["<a href='/classifications/hs/v2022/846190'>846190: Machine-tools; planing machines, and other machine-tools n.e.c. in heading no. 8461; working by removing metal, sinistered metal carbides or cerments.</a>"]

    

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class C level6
class D level6
class E level6
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class G level6

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