Ceramic fine abrasive-contained staggered-layer abrasive sand dispensed coated abrasive tool and preparation method thereof

Abstract

The invention relates to a ceramic fine abrasive-contained staggered-layer abrasive sand dispensed coated abrasive tool manufacturing method. The manufacturing method comprises the following steps of1) primer coating on a base material, 2) electrostatic sand dispensing, 3) compound glue coating and 4) curing, wherein after the step 3), the curing procedure 4) is conducted to prepare a staggered-layer abrasive sand dispensed coated abrasive tool. According to the coated abrasive tool manufactured through the manufacturing method, abrasive is orderly arranged on the base material in a layered mode, the sand surface abrasive is well staggered and arranged, the sharpness of the coarse-grained ceramic fine abrasive is obviously advantageous at the initial grinding period, the excellent self-sharpening performance of the ceramic fine abrasive starts to come into play in the middle grinding period, new sharp micro cutting edges are continuously exposed, so that abrasive particles are alwaysin a sharp state, and the sharp points of the fine-grained abrasive begin to come into play in the later grinding period. In the whole grinding process, the abrasive tool keeps an open structure all the time, the abrasive particles are always in a sharp state, so that the abrasive tool has the characteristics of being long in service life, high in cutting efficiency, free of blockage and not proneto burning of workpieces.

Description

technical field [0001] The invention relates to the technical field of coated abrasives, in particular to a coated abrasive with ceramic microcrystalline abrasive and cross-layer sand planting and a preparation method thereof. Background technique [0002] Coated abrasives are widely used in grinding, polishing and grinding of non-metallic materials such as metal materials, wood, ceramics, plastics, leather, rubber and paint putty. At present, in order to ensure the smoothness of the polished surface, the sand planting process commonly used in products of the prior art is electrostatic sand planting in the same direction with single-grained abrasives. The abrasives are arranged on the substrate in an orderly manner with a single layer of sand surface. Because the abrasive surface of the product is relatively flat, the abrasive will be worn out synchronously during grinding, resulting in poor initial sharpness and continuous sharpness of the product. Contents of the inventi...

AI Technical Summary

Problems solved by technology

At present, in order to ensure the smoothness of the polished surface, the sand planting process generally used in the prior art products is the same direction electrostatic sand planting with single-grain abrasives.

The abrasives are arranged on the substrate in an orderly manner with a single layer of sand surface. Because the abrasive surface of the product is relatively flat, the abrasive will be worn out synchronously during grinding, resulting in poor initial sharpness and continuous sharpness of the product.

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