Preparation formula and process of cubic silicon carbide oil stone

Abstract

The invention discloses a preparation formula and process of a cubic silicon carbide oil stone. The cubic silicon carbide oil stone comprises the following raw materials by weight: 95-100 parts of cubic silicon carbide, 20-35 parts of potassium feldspar, 9-11 parts of refined naphthalene, 6-7 parts of talcum powder, 3-5 parts of dextrin, 23-28 parts of syrup, 5-8 parts of boron glass, and 13-15 parts of kaolin. With the formula and method, the cubic silicon carbide oil stone can have high cutting rate, good grinding effect, excellent plasticity and uniform hardness, and meets the production requirements, especially by using boron glass as the sintering aid, the sintering temperature is significantly lowered, thus realizing low temperature firing. The adopted kaolin improves the plasticity, and the oil stone is not broken off easily. The used talcum powder improves the lubricating effect, and the ground surface has better smoothness. Use of refined naphthalene as the pore-forming agent realizes control of the porosity. The product prepared by the reasonable process and preparation parameters has good color and is free of crack, foaming, inclusion or other defects, has controllable porosity, strong chip holding capacity, and good heat dissipation, and meets the fine finishing requirements.

Description

technical field [0001] The invention relates to a preparation process of oil stone, in particular to a preparation formula and process of cubic silicon carbide oil stone. Background technique [0002] Whetstone is a strip-shaped consolidated abrasive tool made of abrasives and binders. It is usually lubricated when used. Whetstone is generally used for manual grinding of tools and parts, and can also be clamped on a machine tool for honing and ultra-fine processing. , used in many mechanical processing and manufacturing fields of the national economy. Compared with the hexagonal crystal structure of ordinary silicon carbide, cubic silicon carbide has high hardness, high toughness, strong cutting force, high grinding efficiency, and better natural sphericity. Therefore, In terms of precision grinding, there are better grinding and polishing effects. In the prior art, due to unreasonable raw material allocation, improper matching of process parameters such as sintering tempera...

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Problems solved by technology

[0002] Whetstone is a strip-shaped consolidated abrasive tool made of abrasives and binders. It is usually lubricated when used. Whetstone is generally used for manual grinding of tools and parts, and can also be clamped on a machine tool for honing and ultra-fine processing. , used in many mechanical processing and manufacturing fields of the national economy. Compared with the hexagonal crystal structure of ordinary silicon carbide, cubic silicon carbide has high hardness, high toughness, strong cutting force, high grinding efficiency, and better natural sphericity. Therefore, In terms of precision grinding, there are better grinding and polishing effects. In the prior art, due to unreasonable raw material allocation, improper matching of process parameters such as sintering temperature and molding pressure, the grinding performance is poor and the plasticity is also poor, and It is difficult to achieve better hardness uniformity and durability, which cannot meet production needs