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Ceramic bond grinding tool for oriented arrangement of abrasives and preparation method thereof

A ceramic bond and directional arrangement technology, which is applied in the direction of abrasive materials, grinding/polishing equipment, grinding devices, etc., can solve the problem of low orientation rate of abrasive materials, improve the quality of the grinding surface and improve the effective grinding edge Quantity, the effect of improving the grinding ability of abrasive tools

Active Publication Date: 2015-10-28
ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a vitrified bond abrasive tool with directional abrasives, without adding magnetic materials, and at the same time solve the problem of low actual orientation rate of abrasives in the preparation process of existing magnetically controlled abrasive tools

Method used

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  • Ceramic bond grinding tool for oriented arrangement of abrasives and preparation method thereof
  • Ceramic bond grinding tool for oriented arrangement of abrasives and preparation method thereof
  • Ceramic bond grinding tool for oriented arrangement of abrasives and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0042] The vitrified bond superabrasive tool with directional arrangement of abrasives in this embodiment is a superhard grinding wheel, which is prepared by a method comprising the following steps:

[0043] 1) Take 100g of CBN abrasive with a particle size of 325 / 400, 30g of vitrified bond powder, 10g of sodium polyacrylate, and 100g of deionized water, mix and stir evenly, adjust the pH to 9 with ammonia water, and ultrasonically disperse for 30 minutes to obtain a slurry;

[0044] The vitrified bond is composed of the following mass percentage components: SiO 2 60%, Al 2 o 3 12%, B 2 o 3 13%, Na 2 O 15%;

[0045] 2) inject the slurry obtained in step 1) into a plastic mold (grinding wheel forming mold), then place it statically in a strong magnetic field generator, and magnetize it for 20 hours under the condition of a magnetic field strength of 10T to obtain a magnetized slurry;

[0046] Magnetization orientation process such as figure 1 As shown, the slurry 1 is...

Embodiment 2

[0051] The vitrified bond superabrasive tool with directional arrangement of abrasives in this embodiment is a superhard grinding wheel, which is prepared by a method comprising the following steps:

[0052] 1) Take 100g of CBN abrasive with a particle size of W20, 20g of vitrified bond powder, 12g of sodium citrate, and 100g of deionized water, mix and stir evenly, adjust the pH to 10 with ammonia water, and ultrasonically disperse for 60 minutes to obtain a slurry;

[0053] The vitrified bond is composed of the following mass percentage components: SiO 2 70%, Al 2 o 3 5%, B 2 o 3 15%, Na 2 O10%;

[0054] 2) Inject the slurry obtained in step 1) into a plastic mold (grinding wheel forming mold), then place it statically in a strong magnetic field generator, and magnetize it under the condition of a magnetic field strength of 8T for 15 hours to obtain a magnetized slurry; magnetization orientation process With embodiment 1;

[0055] 3) The magnetized slurry obtained ...

Embodiment 3

[0058] The vitrified bond superabrasive tool with directional arrangement of abrasives in this embodiment is a superhard grinding wheel, which is prepared by a method comprising the following steps:

[0059] 1) Take 100g of diamond abrasive with a particle size of W40, 20g of vitrified bond powder, 20g of sodium tripolyphosphate, and 100g of deionized water, mix and stir evenly, adjust the pH to 8 with ammonia water, and ultrasonically disperse for 60 minutes to obtain a slurry;

[0060] The vitrified bond is composed of the following mass percentage components: SiO 2 58%, Al 2 o 3 18.5%, Na 2 O 10.5%, Li 2 O 8%, ZnO 5%;

[0061] 2) Inject the slurry obtained in step 1) into a plastic mold (grinding wheel forming mold), then place it statically in a strong magnetic field generator, and magnetize it for 20 hours under the condition of a magnetic field strength of 12T to obtain a magnetized slurry; magnetization orientation process With embodiment 1;

[0062] 3) The magn...

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Abstract

The invention discloses a ceramic bond grinding tool for oriented arrangement of abrasives and a preparation method thereof. The grinding tool is prepared by the method comprising the following steps: 1) the abrasives, a ceramic bond, a dispersing agent and a solvent are taken for mixing a slurry; 2) the obtained slurry is injected in a mold, and is put in a magnetic field with a strength of 1-50 T for magnetizing to obtain magnetized slurry; and 3) the magnetized slurry is dried and demolded to obtain a biscuit; and the biscuit is sintered and cured to obtain the ceramic bond grinding tool. In the ceramic bond grinding tool for oriented arrangement of abrasives, after the slurry is injected in the mold, the slurry is stood in the high-strength magnetic field; under the effect of electromagnetic force, the abrasives rotate to generate oriented arrangement; the ceramic bond grinding tool for oriented arrangement of abrasives is prepared through the oriented arrangement of the abrasives; an effective cutting edge in the grinding of the grinding tool is added; the grinding capacity of the grinding tool is improved; and the grinding surface quality is improved.

Description

technical field [0001] The invention belongs to the technical field of abrasives and abrasives, in particular to a vitrified bonded abrasive with directional arrangement of abrasives, and also relates to a preparation method of vitrified bonded abrasives with oriented arrangement of abrasives. Background technique [0002] Artificial superabrasives, namely cubic boron nitride and diamond, have anisotropic crystal form and irregular shape. Abrasives prepared with superabrasives are superabrasives. The abrasives of the traditional superhard grinding wheel are randomly arranged. When the grinding wheel is grinding, the direction of the cutting edge cannot be guaranteed to be consistent, which greatly reduces the number of effective cutting edges. Therefore, if the cutting edges of the grinding wheel are uniformly arranged radially, the number of effective cutting edges can be greatly increased, thereby improving the grinding ability of the grinding wheel and improving the grind...

Claims

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Application Information

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IPC IPC(8): B24D18/00B24D3/14
CPCB24D3/14B24D18/0009B24D18/009
Inventor 郭森林杨威鲁涛李学文
Owner ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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