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Rare earth composite corundum reinforced fiber ultrathin resin cutting blade and production method thereof

A rare-earth composite and reinforced fiber technology, which is applied in the direction of abrasives, metal processing equipment, grinding devices, etc., can solve the problems that affect the cutting effect, shorten the service life of the cutting blade, affect the cutting quality, etc., and achieve fast and efficient cutting Speed, material loss reduction, and material saving effects

Inactive Publication Date: 2013-05-22
湖北天马研磨材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the cutting discs currently on the market are easily blunted during the grinding process, which seriously affects the cutting effect and the service life of the cutting discs
The bond between the abrasive and the binder is not firm, and it is easy to fall off during the grinding process, which not only greatly shortens the service life of the abrasive tool but also seriously affects its cutting quality

Method used

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  • Rare earth composite corundum reinforced fiber ultrathin resin cutting blade and production method thereof
  • Rare earth composite corundum reinforced fiber ultrathin resin cutting blade and production method thereof
  • Rare earth composite corundum reinforced fiber ultrathin resin cutting blade and production method thereof

Examples

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Effect test

example 1

[0016] Example 1: see figure 2 , a rare earth composite corundum reinforced fiber ultra-thin resin cutting sheet, which has an abrasive sheet 1, a layer of glass fiber mesh cloth layer 2 is arranged at the center of the abrasive sheet 1, and the abrasive sheet 1 is composed of the following raw materials in parts by weight : Rare earth composite corundum 100kg (using self-produced rare earth zirconium yttrium titanium composite corundum, of which 46# material 60kg, 60# material 40kg), phenolic ethanol solution 100kg, phenolic resin powder 10kg, phenolic resin liquid 16kg, cryolite 6kg, iron black 1kg, gypsum 3kg, ferrous sulfide 3kg.

[0017] The phenolic resin powder described in this example has a melting point of 82-90° C., measured by the Thilele method, and the free phenol content is ≤3.5%.

[0018] The phenolic resin solution described in this example has a viscosity of 120 s, measured by the 4-cup method, the content of urotropine: 5%, and the solid content: 75%.

[...

example 2

[0022] Example 2: a rare earth composite corundum reinforced fiber ultra-thin resin cutting sheet, it has an abrasive sheet 1, the center of the abrasive sheet 1 is arranged with a layer of glass fiber mesh cloth layer 2, and the abrasive sheet 1 consists of the following parts by weight Raw material composition: 100kg of rare earth composite corundum (using self-produced rare earth zirconium yttrium titanium composite corundum, of which 46# material 50kg, 60# material 25kg, 80# material 25kg), phenolic ethanol solution 100kg, phenolic resin powder 11kg, phenolic resin liquid 19kg , cryolite 7kg, iron black 2kg, gypsum 4kg, ferrous sulfide 4kg.

[0023] The phenolic resin powder described in this example has a melting point of 82-90° C., measured by the Thilele method, and the free phenol content is ≤3.5%.

[0024] The phenolic resin solution described in this example has a viscosity of 120 s, measured by the 4-cup method, the content of urotropine: 6%, and the solid content: ...

example 3

[0026] Example 3: A rare earth composite corundum reinforced fiber ultra-thin resin cutting sheet, which has an abrasive sheet 1, and the center of the abrasive sheet 1 is arranged with a layer of glass fiber mesh cloth layer 2, and the abrasive sheet 1 consists of the following parts by weight Raw material composition: 100kg of rare earth composite corundum (using self-produced rare earth zirconium yttrium titanium composite corundum, of which 30# material is 45kg, 36# material is 55kg), phenolic ethanol solution 100kg, phenolic resin powder 12kg, phenolic resin liquid 22kg, cryolite 8kg, Iron black 3kg, gypsum 5kg, ferrous sulfide 5kg.

[0027] The phenolic resin powder described in this example has a melting point of 82-90° C., measured by the Thilele method, and the free phenol content is ≤3.5%.

[0028] The phenolic resin solution described in this example has a viscosity of 120 s, measured by the 4-cup method, the content of urotropine: 7%, and the solid content: 80%.

...

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Abstract

The invention relates to a grinding tool used in industrial production and processing and belongs to a rare earth composite corundum reinforced fiber ultrathin resin cutting blade and a production method thereof. The rare earth composite corundum reinforced fiber ultrathin resin cutting blade is characterized by being provided with a grinding material blade; the center of the grinding material blade is provided with a layer of fiberglass grid mesh. The grinding material blade is composed of the following raw materials based on weight proportion: the rare earth composite corundum 100, phenolic aldehyde ethanol solution 100, phenolic aldehyde resin-oatmeal 10-15, phenolic aldehyde resin liquid 16-28, kryocide 6-10, iron black 1-5, gypsum 3-8 and ferrous sulfide 3-8. The production method of the rare earth composite corundum reinforced fiber ultrathin resin cutting blade comprises the following steps: preprocessing the rare earth composite corundum and the phenolic aldehyde ethanol solution; then adding the phenolic aldehyde resin liquid, the phenolic aldehyde resin-oatmeal and filler successively to prepare molding materials; and lastly mixing the fiberglass gird mesh to press a finished product in a molding mould. The rare earth composite corundum reinforced fiber ultrathin resin cutting blade obviously enhances intensity, rigidity, shock resistance capacity of the cutting blade, reduces material consumption, reduces environmental pollution and can be widely applied to various metal part processing.

Description

technical field [0001] The invention relates to an abrasive tool used in industrial production and processing, in particular to a rare earth composite corundum reinforced fiber ultra-thin resin cutting sheet and a production method thereof. Background technique [0002] Abrasive wheels are tools with a certain shape and a certain grinding ability made of abrasives (grinding materials), bonding agents and filling materials. There are three different processes during the use of grinding wheels: 1. Sliding stage --- In this stage, the cutting edge of the abrasive comes into contact with the surface of the workpiece, and the workpiece system only undergoes elastic deformation. As the cutting edge cuts across the working surface, further deformation takes place, so that the normal force increases steadily, and the friction and tangential force increase steadily at the same time. Therefore, in this stage, the abrasive micro-blade does not have a grinding effect, but just slides o...

Claims

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Application Information

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IPC IPC(8): B24D3/00B24D3/28B24D18/00
Inventor 詹学良
Owner 湖北天马研磨材料有限公司
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