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centerless grinding of ceramics

centerless grinding of ceramics

centerless grinding of ceramics

Anyone have any experience centerless grinding silicon nitride? Would like to run some screening tests for either infeed or thrufeed centerless, but don't have a feel for infeed/thrufeed rates. The material is a high tensile strength silicon nitride (~1000 MPa characteristic strength).

RE: centerless grinding of ceramics

Hi Jab, Well ive been working with advanced ceramics for about 15 years now. Ive done quite a bit of centerless grinding over the years .Very familiar with Silicon Nitride
This material doesnt disapate heat very well So you must take realitively light passes about .0005/.001" max depth of cut,run regulating roll at top speed and adjust your guides to achive about 5FPM. May sound slow but it is reasonable.Use a resin bond diamond wheel 150 grit for roughing 500 grit for finishing passes. Well I hope ive been able to provide some help to you . Bye Zycron

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