FIELD: manufacture of high-porosity abrasive tool designed for working constructional steels and alloys. SUBSTANCE: abrasive mass includes abrasive grains, ceramic binder and filler in the form of alumosilicate hollow spheric particles. Mass also may include as filler hollow spheric particles of elecrocorundum, easy-to-melt glass or filler (naphthalene, fruit kernels) burning at temperature of tool calcining or combination of fillers of several types. EFFECT: enhanced service properties, enlarged manufacturing possibilities of tool. 8 cl, 1 tbl
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Authors
Dates
2000-07-10—Published
1999-10-11—Filed