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Vitrified metal bond abrasive tool and manufacturing method thereof

A metal bond, ceramic metal technology, applied in the direction of manufacturing tools, metal processing, metal processing equipment, etc., can solve the problems of abrasive tool life, sharpness, reduced grinding performance, unsatisfactory cooling effect, and increased graphite usage. , to achieve the effect of improving cooling effect, reducing leakage rate and long service life

Active Publication Date: 2019-04-05
ZHUHAI JUHAI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the process of polishing the workpiece with abrasive tools, a large amount of heat will be generated. In order to dissipate the heat in time, it is usually cooled with grinding fluid; however, grinding fluid is not used in some polishing processes. For example, in the process of polishing ceramic tiles, only dry grinding can be carried out, mainly by air cooling, but the cooling effect is not ideal
[0004] In order to solve the above problems, the thermal conductivity and lubricating properties of the grinding tool are improved by adding graphite as an additive; however, there are the following problems in using graphite as an additive: (1) During the sintering process of the grinding tool, due to the As high as 600-800 degrees Celsius, and the sintering atmosphere is air atmosphere, graphite will be partially oxidized and invalidated; (2) During the dry grinding process, due to local high temperature and air atmosphere, graphite will be partially oxidized and invalidated
These problems are usually solved by increasing the amount of graphite used, and using the increased amount of graphite to fill the part that has failed due to oxidation, but this will reduce the grinding performance such as the life and sharpness of the abrasive tool

Method used

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  • Vitrified metal bond abrasive tool and manufacturing method thereof
  • Vitrified metal bond abrasive tool and manufacturing method thereof
  • Vitrified metal bond abrasive tool and manufacturing method thereof

Examples

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no. 1 example

[0037] see figure 1 , The vitrified metal bond abrasive tool 7 is composed of a mandrel 71 and a grinding layer 72 . The grinding layer 72 is a cylindrical structure set outside the mandrel 71 and fixedly connected thereto. The mandrel 71 is made of steel.

[0038] see figure 2 , The method for manufacturing the vitrified metal bonded abrasive tool 7 is composed of a mixing step S11, a primary pressing step S12, a sintering step S13, a secondary pressing step S14, a cooling step S15 and a dressing step S16. In this embodiment, the primary pressing step is a cold pressing step.

[0039] Mixing step S11: Weigh the electrolytic iron powder, cobalt powder, nickel powder, tin powder and ultrafine copper powder according to the specifications and parts by weight in Table 1 and put them in a mixer and mix them for 3-4 hours until they are evenly mixed; Weigh diamond, Ti 3 AlC 2 and liquid paraffin into the mixer, and mix for 3-4 hours to mix well. Iron powder, cobalt powder, ...

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Abstract

The invention provides a ceramic metal bonding agent grinding tool and a manufacturing method thereof and belongs to the technical field of processing equipment. The ceramic metal bonding agent grinding tool comprises a grinding layer; the grinding layer is made of a raw material containing a metal bonding agent raw material, a temporary bonding agent, abrasive particles and Ti3AlC2. The ceramic metal bonding agent grinding tool provided by the invention has good grinding performance.

Description

technical field [0001] The invention relates to an abrasive tool and a manufacturing method thereof, in particular to a vitrified metal bonded abrasive tool and a manufacturing method thereof. Background technique [0002] Abrasive tools include grinding layers. For some small abrasive tools, the whole is usually a grinding layer, such as small cup-shaped grinding wheels; Grinding the mandrel with the required pressure and power, the grinding layer is usually made from the raw material through pressing and / or sintering steps. [0003] In the process of polishing the workpiece with abrasive tools, a large amount of heat will be generated. In order to dissipate the heat in time, it is usually cooled with grinding fluid; however, grinding fluid is not used in some polishing processes. For example, in the process of polishing tile biscuits, only dry grinding can be carried out, mainly by air cooling, but the cooling effect is not ideal. [0004] In order to solve the above pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24D3/10B24D3/34B24D5/06B24D5/10B24D18/00B24D99/00
CPCB24D3/10B24D3/342B24D3/346B24D5/06B24D5/10B24D18/0009B24D99/005
Inventor 刘旭辉孟凡爱肖攀刘俊生张凯
Owner ZHUHAI JUHAI TECH
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