Grinding tool mixed by abrasives

A technology for abrasives and abrasive tools, applied in the field of grinding and polishing abrasive tools, can solve problems such as poor material removal rate and surface quality, and achieve the effects of increasing material removal rate and improving processing efficiency

Inactive Publication Date: 2010-06-23
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Irregular-shaped particles with the same particle size specifications have a significantly higher material removal rate after polishing and poorer surface quality than regular-shaped particle materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] An abrasive mixed grinding tool is formed by mixing 120-mesh spherical corundum with a volume percentage of 18.8%, 120-mesh prismatic corundum with a volume percentage of 31.2% and epoxy resin binder with a volume percentage of 50%.

[0013] After mixing the above-mentioned spherical corundum and prismatic corundum evenly, stir evenly with the epoxy resin binder until the corundum is completely wetted, inject the well-stirred mixture into a cylindrical mold with a diameter of 10mm, and wait for it to Take out after solidification.

Embodiment 2

[0015] A kind of grinding tool that abrasive material is mixed, is 120 mesh spherical Al by the volume percentage of 18.8% 2 o 3 White corundum, 120-mesh prismatic Al with a volume percentage of 31.2% 2 o 3 It is prepared by mixing white corundum and epoxy resin binder with a volume percentage of 50%.

[0016] The above spherical and prismatic Al 2 o 3 After the white corundum mixture is evenly stirred, it is then evenly stirred with the epoxy resin binder until the white corundum is completely wetted, and the well-stirred mixture is injected into a cylindrical mold with a diameter of 10mm, and it is taken out after it is solidified and formed. Can.

Embodiment 3

[0018] An abrasive mixed abrasive tool, which is made by mixing 120-mesh spherical ceramic powder with a volume percentage of 25%, 120-mesh polygonal silicon carbide with an acute angle with a volume percentage of 25%, and an acrylic binder with a volume percentage of 50% .

[0019] Stir the above-mentioned spherical ceramic powder and the polygonal silicon carbide mixture with an acute angle evenly, and then stir evenly with the acrylic binder until the corundum is completely wetted, and inject the evenly stirred mixture into a cylindrical mold with a diameter of 10mm , and take it out after it is solidified and formed.

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Abstract

The present invention relates to a grinding tool mixed by abrasives. The grinding tool is made by mixing a first abrasive, a second abrasive and a binding agent according to the following ratio by volume. The mixed ratio by volume of the first abrasive to the second abrasive to the binding agent is from 1:3:8 to 3:1:3. The present invention has the advantages that satisfactory surface finishing quality can be ensured, and the polishing and grinding processing efficiency is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of preparation of grinding and polishing abrasive tools, and in particular relates to an abrasive tool with mixed abrasive materials of different shapes. Background technique [0002] As an important processing method to obtain high precision and high surface finish, polishing and grinding technology plays an important role in modern precision and ultra-precision manufacturing technology. Polishing and grinding technology is the oldest processing technology, and it is also the main processing technology used in ultra-precision processing. The purpose is to remove the damaged layer left over from the previous process and reduce the surface roughness, so as to obtain a smooth processed surface. Since the smooth processed surface can improve the corrosion resistance, wear resistance of the material surface, the fatigue strength of the parts and the sealing performance of the parts, it is widely used in aerospac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D3/28
Inventor 朱永生钟伟张征凯曹玉新张优云
Owner XI AN JIAOTONG UNIV
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