Machine-tools; grinding or polishing machines, for working stone, ceramics, concrete, asbestos-cement or like mineral materials or for cold working glass

hs code 846420 covers a range of machine-tools used for grinding, polishing, and finishing various mineral-based materials such as stone, ceramics, concrete, and glass. These specialized machines play a crucial role in the construction, manufacturing, and processing industries, enabling the precise shaping and finishing of a wide array of products. The global market for these machine-tools is driven by the increasing demand for high-quality, durable, and aesthetically pleasing mineral-based materials across various applications.

Machine-tools classified under hs code 846420 utilize a variety of techniques to grind, polish, and finish mineral-based materials. Common methods include the use of abrasive wheels, belts, or discs that rotate at high speeds to remove material and achieve the desired surface finish. Some machines may also employ vibration, ultrasonic, or other specialized techniques to ensure a smooth and consistent result. The precise control of parameters such as speed, pressure, and coolant flow is essential to producing high-quality, defect-free surfaces.

The production of machine-tools under hs code 846420 requires a range of inputs, including high-quality steel and other metal alloys for the machine components, as well as specialized abrasives, lubricants, and coolants. Additionally, these machines often incorporate advanced electronic controls, sensors, and software to enable precise operation and monitoring. The manufacturing process may also involve the use of specialized tools, jigs, and fixtures to ensure the accurate assembly and calibration of the machine-tools.

Machine-tools classified under hs code 846420 are primarily used in the construction, manufacturing, and processing industries to shape, finish, and polish a variety of mineral-based materials. The output of these machine-tools can be found in a wide range of products, including 441800 Prefabricated buildings, 681099 Articles of stone or of other mineral substances, n.e.c., 701990 Other articles of glass, n.e.c., and 732690 Other articles of iron or steel, n.e.c..