A composite binder for preparing a CBN grinding wheel, a CBN grinding wheel, a preparation method and application thereof
By combining resin and ceramic binders through microwave-coupled hot pressing sintering process, a resin-ceramic composite bonding bridge is formed, which solves the problems of low grinding efficiency, easy clogging and short life of CBN grinding wheels when grinding powder steel, and realizes high-efficiency, precision grinding and long life of CBN grinding wheels.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BEIJING GANG YAN DIAMOND PROD CO
- Filing Date
- 2026-05-15
- Publication Date
- 2026-07-17
AI Technical Summary
Existing CBN grinding wheels suffer from low grinding efficiency, easy clogging, workpiece burn, and short lifespan when grinding powder steel. Resin binders have poor heat resistance, ceramic binders are brittle, and metal binders have poor self-sharpening properties.
A microwave-coupled hot-pressing sintering process is adopted, which combines resin binder and ceramic binder to form a resin-ceramic composite bonding bridge. The resin binder is cured at low temperature and the ceramic reinforcing phase is melted at high temperature through microwave hot-pressing sintering, forming a strong three-dimensional network structure, which enhances the bonding strength and self-sharpening properties.
It significantly extends the service life of CBN grinding wheels, improves grinding efficiency and workpiece surface quality, reduces the risk of workpiece burn, and maintains good self-sharpening and anti-clogging properties.
Smart Images
Figure CN122401293A_ABST