Machine-tools; flat-surface grinding machines, numerically controlled

HS v2017 Code: 846012

About machine-tools; flat-surface grinding machines, numerically controlled

hs code 846012 covers flat-surface grinding machines that are numerically controlled. These specialized machine tools are essential for the precision manufacturing of a wide range of industrial components and products. They play a crucial role in sectors such as automotive, aerospace, and general engineering, where tight tolerances and high-quality surface finishes are critical requirements. The global market for these machine tools has been growing steadily, driven by the increasing demand for advanced manufacturing capabilities and the need for efficient, automated production processes.

Production process

Flat-surface grinding machines with numerical control utilize advanced computer-controlled systems to precisely grind and finish the surfaces of metal, ceramic, or other hard materials. The workpiece is securely held in place, and the grinding wheel is programmed to follow a specific path, removing material in a controlled and consistent manner. This allows for the creation of exceptionally flat, parallel, and smooth surfaces with minimal variation in thickness or profile. The numerical control system enables rapid adjustments to the grinding parameters, such as wheel speed, feed rate, and depth of cut, ensuring optimal performance and quality.

Production inputs

The key inputs for the production of 846012 flat-surface grinding machines, numerically controlled include high-quality grinding wheels, precision bearings, advanced control systems, and specialized software. Additionally, the machines require a reliable supply of electricity and compressed air for their operation. The manufacturing process also relies on skilled technicians and engineers to program, operate, and maintain the equipment.

Production outputs

The primary output of 846012 flat-surface grinding machines, numerically controlled is precision-ground components and parts for a wide range of industries. These machines are often used to produce parts for 840710 Spark-ignition reciprocating or rotary internal combustion piston engines in the automotive sector, as well as components for 848610 Machinery and apparatus for isotopic separation, and parts thereof in the nuclear and energy industries. The output of these machine tools may also be consumed by manufacturers of 848620 Machinery, plant or laboratory equipment, whether or not electrically heated, for the treatment of materials by a process involving a change of temperature and 848630 Machinery for public works, building or the like.

Revisions to 846012

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 846012. The most recent 1 version of this code (846012) is in the HS v2022 system:

This page shows a legacy version of code 846012 ( HS v2017).

Older versions

Family tree for machine-tools; flat-surface grinding machines, numerically controlled

    graph LR
    A["<a href='/classifications/hs/v2017/84'>84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2017/8460'>8460: Machine-tools; for deburring, sharpening, grinding, honing, lapping, polishing or otherwise finishing metal, sintered metal carbides or cermets by means of grinding stones, abrasives or polishing products</a>"]
B --> C["<a href='/classifications/hs/v2017/846012'>846012: Machine-tools; flat-surface grinding machines, numerically controlled</a>"]

    B --> D["<a href='/classifications/hs/v2017/846019'>846019: Machine-tools; flat-surface grinding machines, other than numerically controlled</a>"]
B --> E["<a href='/classifications/hs/v2017/846022'>846022: Machine-tools; grinding machines (excluding flat-surface), centreless, numerically controlled</a>"]
B --> F["<a href='/classifications/hs/v2017/846023'>846023: Machine-tools; cylindrical grinding machines (excluding flat-surface and centreless), numerically controlled</a>"]
B --> G["<a href='/classifications/hs/v2017/846024'>846024: Machine-tools; grinding machines (excluding flat-surface, cylindrical and centreless), numerically controlled</a>"]
B --> H["<a href='/classifications/hs/v2017/846029'>846029: Machine-tools; grinding machines (excluding flat-surface), other than numerically controlled</a>"]
B --> I["<a href='/classifications/hs/v2017/846031'>846031: Machine-tools; sharpening (tool or cutter grinding) machines, numerically controlled</a>"]
B --> J["<a href='/classifications/hs/v2017/846039'>846039: Machine-tools; sharpening (tool or cutter grinding) machines, other than numerically controlled</a>"]
B --> K["<a href='/classifications/hs/v2017/846040'>846040: Machine-tools; for honing or lapping</a>"]
B --> L["<a href='/classifications/hs/v2017/846090'>846090: Machine-tools; for deburring, grinding, polishing or otherwise finishing metal, sintered metal carbides or cermets by means of grinding stones, abrasives or polishing products, n.e.c. in heading no. 8460</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight