Grinding tool

The grinding tool with axial and radial coolant channels addresses overheating and detachment issues, enhancing tool longevity and precision by ensuring effective lubrication and coolant delivery.

EP4763421A1Pending Publication Date: 2026-06-24COMADUR
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Patent Information

Application Number
EP2024222394
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-06-24

AI Technical Summary

Technical Problem

Existing diamond grinding tools face issues with overheating during use, leading to detachment of the diamond ring from the tool body and inadequate lubrication, which affects tool lifespan and surface finish, especially in hard-to-reach areas.

Method used

A grinding tool with an axial channel and radial coolant channels on the abrasive coating, allowing for targeted coolant delivery and lubrication, reducing overheating and enhancing tool longevity and precision.

Benefits of technology

The tool design with integrated coolant channels reduces overheating, improves mechanical robustness, and ensures high-quality grinding with better control and surface finish, even in hard-to-reach areas.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a grinding tool (1) comprising an elongated tool body (2) having a first end (20) comprising a grinding head (3) provided with an abrasive coating (4), and a second end (21), an axial channel (5) extending through the tool body (2) from the second end (21) over a given length of said body, and at least one coolant channel arranged with the axial channel (5) to allow the ejection by the grinding head (3) of a fluid introduced into the axial channel (5) at the level of the second end (21), the grinding head (3) having a terminal external surface (30) delimited by a peripheral external surface (31), said terminal external surface (30) being provided with at least one groove (6a to 6f) extending radially from the axial channel (5) to the peripheral external surface (31), said groove being closed along its length by the coating abrasive (4) to form said at least one watering channel.The invention also relates to a method for making a galvanized grinding tool.
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Citation Information

Patent Citations

  • Grindstone tool

    CA2882266A1

  • Grinding and polishing tool

    US20140323020A1

  • Grinding tool

    WO2022078641A1