An indigenous technology from IIT Madras can now produce new-generation superabrasive tools

The newly developed technology can now produce new high-quality single layer/concrete materials for advanced milling applications to meet high performance and strong material removal requirements. The equipment produced also improved the life of the equipment.

The milling industry has abandoned their voices to develop high-quality cBN/diamond tools that are suitable for high-performance and high-strength material removal and modification based on local needs.

A research team led by Dr. Amitava Ghosh at IIT Madras has used chemical bonding technology with precise and controlled spacing on the material through a human-made printing machine.

The group proposed a special tool to develop such new superabrasive tools. The new invention provides a good combination of strength, resistance, and wetting characteristics (the ability to spread well in water with a small contact angle on solid superabrasives during brazing). Grit planting (planting/placing grits in a specific alignment position on the surface of the grinder) setup allows the manufacturer to stamp the grit into a customized pattern to suit the application needs. The recommended page increases the strength of the joint, thus increasing the life of the developed equipment.

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In short, these amazing materials can be produced using active brazing technology with the amazing characteristics of a large crystal drop above the joint level. The bond strength and bond resistance characteristics of these materials are superior to their commercial counterparts. These tools can withstand increased grinding forces, provide significantly longer tool life, and perform lightweight grinding of advanced materials with high material removal rates.

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This indigenous tool supported by the Core Research Grant (CRG) of the Science and Engineering Research Board (SERB), a statutory body of the Department of Science and Technology (DST), offers a competitive price with an efficient tool, which is also is. which is manufactured as required by industries such as aerospace, automotive, mining, and dental surgery.

Technology can produce new modern tools with a variety of geometries. Various equipment models are developed in the laboratory and are tested through experiments under industrial conditions. This new method of demonstrating a new method of manufacturing abrasive tools was published in the “Journal of Manufacturing Process” recently, and the patent documents are being reviewed for approval.

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This technology which meets the requirements of the Make-in-India National Mission is under lab validation and is close to a start-up plan or any industry to launch on a full scale. The production of high-quality materials for joining superabrasives to metal objects by means of modern active-brazing technology is an important innovation that can be used for large-scale industrial plants.

Details: https://doi.org/10.1016/j.jmapro.2021.10.043

Various new generation, low-cost diamond tools developed by the original:

(1) Wire for stone cutting (2) Core drill for trepanning (3) Internal grinding wheel (4) Cutter wheel for manual grinding (5) External grinding wheel for deep grinding.

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