Foam coating grinding tool and preparing method thereof

An abrasive tool and foam technology is applied in the field of coated foam abrasive tool and its preparation. Good heat dissipation effect

Inactive Publication Date: 2015-06-24
ZIBO RIKEN MT COATED ABRASIVES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Sponge sand based on sponge has excellent flexibility and can be used for grinding and polishing irregular surfaces, but sponge sand is usually composed of a single layer of abrasives, and the grinding life is short
Moreover, the price of the sponge substrate is high and cannot be reused, resulting in a lot of waste. At the same time, the workpiece debris generated by grinding is easy to block the abrasive layer and make it unusable, which makes the grinding cost higher
Moreover, the strength of the sponge matrix is ​​not high, which limits the scope of use. It can only be processed into a sheet or disc shape, and cannot be used to make high-efficiency forms such as abrasive belts.

Method used

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  • Foam coating grinding tool and preparing method thereof
  • Foam coating grinding tool and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034]A kind of coated foam abrasive tool, comprising latex paper base layer, ethylene-vinyl acetate copolymer hot melt adhesive type primer layer and a foam layer with a thickness of 1mm, the foam layer is obtained by foaming ethylene-vinyl acetate copolymer resin liquid The silicon carbide abrasive used for grinding is evenly embedded in the resin foam;

[0035] The preparation method of above-mentioned coated foam abrasive tool, comprises the following steps:

[0036] 1. Substrate pretreatment: Latex paper can be used directly as a substrate;

[0037] 2. Primer: Ethylene-vinyl acetate copolymer hot-melt adhesive can be cast on the latex paper substrate through a hot-melt machine to form a primer layer;

[0038] 3. Casting and foaming: the foam layer is obtained by mixing ethylene-vinyl acetate copolymer resin and silicon carbide abrasive and then casting and foaming;

[0039] First, prepare the foam layer slurry by mass parts by 100 parts of ethylene-vinyl acetate copolym...

Embodiment 2

[0044] A coated foam abrasive tool, comprising a kraft paper base layer, a polyisobutylene rubber hot-melt adhesive primer layer and a foam layer with a thickness of 1 mm, the foam layer is obtained by foaming an ethylene-vinyl acetate copolymer resin solution, and can be used for grinding The active silicon carbide abrasive is evenly embedded in the resin foam;

[0045] The preparation method of above-mentioned coated foam abrasive tool, comprises the following steps:

[0046] 1. Substrate pretreatment: kraft paper is used as a substrate after waterproofing;

[0047] 2. Primer: Polyisobutylene rubber hot-melt adhesive can be cast on the kraft paper substrate through a hot-melt machine to form a primer layer;

[0048] 3. Casting and foaming: the foam layer is obtained by mixing ethylene-vinyl acetate copolymer resin and silicon carbide abrasive and then casting and foaming;

[0049] First, prepare the foam layer slurry, by mass parts, 100 parts of ethylene-vinyl acetate copo...

Embodiment 3

[0054] A coated foam abrasive tool, comprising a polyester film base layer, a polyester hot-melt adhesive primer layer and a foam layer with a thickness of 3mm, the foam layer is obtained by foaming polyvinyl alcohol resin liquid, and plays a grinding role Silicon carbide abrasive is evenly embedded in the resin foam;

[0055] The preparation method of above-mentioned coated foam abrasive tool, comprises the following steps:

[0056] 1. Substrate pretreatment: polyester film can be used directly as a substrate;

[0057] 2. Primer: Polyester hot-melt adhesive can be cast on the substrate by a hot-melt machine to form a primer layer;

[0058] 3. Casting and foaming: the foam layer is obtained by mixing polyvinyl alcohol resin and silicon carbide abrasives and then casting and foaming;

[0059] First, prepare the foam layer slurry, by mass parts, 100 parts of polyvinyl alcohol resin, 80 parts of N,N-dimethylformamide, 0.01 part of sodium dodecylbenzene sulfonate antistatic agen...

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Abstract

The invention belongs to the technical field of coating grinding tools, and relates to a foam coating grinding tool and a preparing method thereof. The grinding tool comprises a base body layer (1), a primer layer (2) and a grinding material (4), and the base body layer (1) is coated with the primer layer (2) and the grinding material (4). The grinding tool is characterized in that the primer layer (2) is coated with a foam layer (3), and the grinding material (4) is evenly embedded in the foam layer (3); the foam layer (3) is made of foaming foam resin. The preparing method comprises the steps that a preprocessed base body is coated with primer; after the foam resin and the grinding material are evenly mixed, a foam layer sizing agent including the grinding material is manufactured, the base body coated with the primer is coated with the foam layer sizing agent including the grinding material with the coating amount of 200 g / m<2>-500 g / m<2>, and a grinding tool to be formed is obtained; after drying and ironing foaming are carried out on the grinding tool to be formed, the grinding tool is formed through cropping. During grinding, the grinding tool can be attached to the surface of a workpiece, the surface quality of the workpiece can be rapidly improved, and the grinding effect is uniform.

Description

technical field [0001] A coated foam abrasive tool and a preparation method thereof belong to the technical field of coated abrasive tools. Background technique [0002] Coated abrasives are tools that fix abrasives on paper, cloth, film or composite matrix and other disturbing materials with adhesives, which can be used for grinding and polishing. The common ones are sandpaper, emery cloth, etc., but these abrasives Usually it can only be used for the grinding of flat workpieces, but it is not suitable for the grinding and polishing of irregular curved surfaces such as the sides of mobile phone casings, furniture and curved surfaces of automobile surfaces. This is because the abrasive tool is not flexible enough to completely adhere to the surface of the workpiece, and over-throwing will occur during grinding, destroying the original shape of the workpiece. [0003] Sponge sand with sponge as the matrix has very good flexibility and can be used for grinding and polishing i...

Claims

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Application Information

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IPC IPC(8): B24D11/00B24D3/32B24D18/00
CPCB24D11/00B24D3/32B24D11/001
Inventor 傅桂华高鹏马祥礼
Owner ZIBO RIKEN MT COATED ABRASIVES
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