Polishing belt and preparation method and application thereof

A technology of polishing belt and abrasive belt machine, which is applied in the field of polishing, and can solve problems such as lack of application range, limited polishing effect, and complicated polishing device

Pending Publication Date: 2020-10-30
惠安宇信金刚石工具有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the relevant abrasive in this patent is an abrasive belt, which has a limited polishing effect and is not suitable for fine polishing. At the same time, the hardness of some hard materials is higher than that o

Method used

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  • Polishing belt and preparation method and application thereof
  • Polishing belt and preparation method and application thereof
  • Polishing belt and preparation method and application thereof

Examples

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Effect test

preparation example Construction

[0046] The present invention also provides a preparation method for the polishing tape described in the above technical solution, comprising the following steps:

[0047] Mix thermosetting resin, abrasives, fillers and additives to obtain a working layer mixture;

[0048] The working layer mixture is sequentially heat-cured and demolded on the surface of the base layer to obtain the polishing tape.

[0049] The invention mixes thermosetting resin, abrasive material, filler and auxiliary agent to obtain the working layer mixture. In the present invention, there is no special limitation on the order of mixing, and the order of mixing known to those skilled in the art can be used for mixing. In the present invention, the mixing is preferably carried out under the condition of stirring; the present invention does not have any special limitation on the stirring, and the stirring can be carried out by a process well known to those skilled in the art.

[0050] After the working lay...

Embodiment 1

[0059] Base layer: Gram weight is 450g / m 2 the canvas;

[0060] Working layer: by weight: 36 parts of bisphenol A epoxy resin, 9 parts of polyetheramine curing agent, 20 parts of polycrystalline diamond (3000 mesh), 5 parts of silicon carbide (3000 mesh), calcium carbonate (3000 mesh) 10 parts, 10 parts of copper (3000 mesh), 5 parts of chopped carbon fiber (length 1000 μm, diameter 7 μm), 3 parts of silane coupling agent γ-aminopropyltriethoxysilane, defoamer XP1036P high-purity silicon 2 parts polyether.

[0061] Under the condition of stirring, mix according to the components and proportions of the above-mentioned working layer to obtain the working layer mixture;

[0062] A mold is fixed on the surface of the base layer, and the working layer mixture is placed on the mold, followed by thermal curing and demoulding, the thermal curing includes first curing and second curing; the temperature of the first curing The temperature is 30° C., the pressure is 2 MPa, and the tim...

Embodiment 2

[0065] Base layer: Gram weight is 420g / m 2 nylon cloth;

[0066] Working layer: by weight: 40 parts of phenolic resin, 25 parts of polycrystalline diamond (4000 mesh), 5 parts of boron nitride (4000 mesh), 10 parts of hollow silica (5000 mesh), aluminum hydroxide (4000 mesh ) 5 parts, talc powder (5000 mesh) 7 parts, titanate coupling agent propyl dioleate acyloxy (dioctyl phosphate acyloxy) titanate 3 parts.

[0067] Under the condition of stirring, mix according to the components and proportions of the above-mentioned working layer to obtain the working layer mixture;

[0068] Fixing a mold on the surface of the base layer, and placing the working layer mixture on the mold, performing thermal curing in a hot press, and demolding, the thermal curing includes first curing and second curing; The temperature of the first curing is 120°C, the pressure is 2MPa, and the time is 10min; the temperature of the second curing is 140min, the pressure is 1MPa, and the time is 30min, and...

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Abstract

The invention relates to the technical field of polishing, in particular to a polishing belt and a preparation method and application thereof. The polishing belt comprises a base layer and a working layer located on the surface of the base layer, and the working layer comprises the following components of, in parts by weight, 20-70 parts of thermosetting resin, 10-50 parts of abrasive, 5-30 partsof filler and 2-10 parts of auxiliaries. According to the result of the embodiment, after the polishing belt is used for polishing hard material, the glossiness of the surface of the hard material canreach 90 Gu at most, and atomization is avoided.

Description

technical field [0001] The invention relates to the technical field of polishing, in particular to a polishing belt and its preparation method and application. Background technique [0002] With the precision of modern technology and the improvement of people's aesthetic requirements, the requirements for the glossiness of the material surface are also getting higher and higher. Therefore, grinding and polishing is an important link in the application of materials, and the requirements for grinding and polishing molds are getting higher and higher, such as processing some high-hardness materials such as stone, ceramics and metals. [0003] At present, the research and production of molds applied to high-hardness hard materials are relatively mature, and there are various polishing sheets and polishing pads on the market. However, the above-mentioned polishing sheets and polishing pads are generally used for polishing flat surfaces, but are rarely used for polishing curved s...

Claims

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Application Information

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IPC IPC(8): B24D11/00B24D11/02B24D3/28B24D3/34B24B23/06
CPCB24B23/06B24D3/28B24D3/344B24D3/346B24D11/00B24D11/001B24D11/02
Inventor 曾云峰邓国川
Owner 惠安宇信金刚石工具有限公司
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