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Resin anchoring agent diamond grinding wheel and production method thereof

A diamond grinding wheel and bonding agent technology, which is applied in the direction of manufacturing tools, metal processing equipment, grinding devices, etc., can solve the problems of poor adhesion between diamond particles and the substrate, failure to achieve straightness and smoothness, and grinding wheel motor rotation. , to achieve strong self-sharpening, straight and smooth brick edges, and improved and service life effects

Active Publication Date: 2009-03-18
广东奔朗新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of grinding wheel is due to the use of a large amount of diamond abrasives and copper powder, and the production cost is relatively high; the second is to use phenolic resin as a bonding agent, and the bonding force between the diamond particles and the substrate of the resin bonded diamond edging grinding wheel is relatively poor. Most of the diamonds will fall off during grinding, and the service life is relatively short; the third is that a straight groove in the same direction as the diameter is often provided on the edging grinding wheel, which is parallel to and coincides with the edge of the ceramic tile, resulting in a large gap in the grinding and cutting of the ceramic glazed tile. When polishing tiles, when the edging wheel rotates, the straight groove and the edge of the ceramic tile will collide due to high-speed rotation, resulting in chipping or edge chipping, and even the grinding wheel motor cannot rotate, and the flat and smooth surface cannot be achieved. effect, and therefore, make users less satisfied

Method used

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  • Resin anchoring agent diamond grinding wheel and production method thereof
  • Resin anchoring agent diamond grinding wheel and production method thereof
  • Resin anchoring agent diamond grinding wheel and production method thereof

Examples

Experimental program
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Effect test

no. 1 example

[0032] see Figure 1-Figure 9 , the resin bonded diamond grinding wheel comprises an abrasive layer 2 arranged on a substrate 1, the substrate is a ring-shaped aluminum substrate, the abrasive layer is a ring-shaped resin bond diamond layer, and the abrasive layer is embedded on the substrate and is concentric with it Setting, twelve inclined grooves 2.1 are arranged on the abrasive layer, and the diameter direction of the inclined grooves and the substrate is 12-45°, and the inclined grooves are evenly arranged on the abrasive layer 2, and four annular grooves are arranged on the substrate 1 1.1, the cross-section of the groove is dovetail-shaped.

[0033] The components of the abrasive layer include diamond abrasive, resin bond, auxiliary abrasive, silicon carbide micropowder, copper-clad iron powder and metal oxide fillers, wherein the resin bond is thermosetting polyimide, and the auxiliary abrasive is silicon carbide, A combination of one or more of boron carbide, white ...

no. 2 example

[0055] 1) take by weighing thermosetting polyimide resin 480g, its density is 1.4g / cm , accounting for the volume percentage of the whole abrasive layer is 39.7%,

[0056] 2) take by weighing copper clad iron powder 320g, its density is 8.0g / cm , accounting for the volume percentage of the whole abrasive layer is 4.6%,

[0057] 3) taking by weighing 1000 mesh silicon carbide micropowder 600g, its density is 3.2g / cm3, accounting for the volume percentage of the whole abrasive layer is 21.7%,

[0058] 4) Filler is taken by weighing: chromium oxide 50g powder, its density is 5.21g / cm3, accounts for the volume percent of whole abrasive layer and is 1.1%

[0059] 5) take by weighing diamond abrasive 300g, its density is 3.52g / cm , accounting for the volume percentage of the whole abrasive layer is 9.9%,

[0060] 6) take by weighing auxiliary abrasive material: boron carbide 500g, its density is 2.52g / cm , accounting for the volume percentage of the whole abrasive material layer is...

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Abstract

The invention relates to a resin bonding agent diamond grinding wheel and a manufacturing method thereof, and the grinding wheel comprises a grinding medium layer and a base body, wherein, the grinding medium layer is arranged on the base body and comprises diamond grinding medium, resin bonding agent, filling reinforcement which is a copper cladded iron powder and auxiliary abrasives which can be one or the combination of carborundum, boron carbide, white alundum, single alundum and fused zirconia alumina. The grinding medium layer comprises 5-15% of diamond grinding medium, 10-25% of auxiliary abrasive, 25-50% of thermosetting polyimide resin, 3-10% of copper cladded iron powder, 15-40% of silicon carbide powder and 0-8% of filling of metallic oxide in terms of volume percent. The diamond grinding wheel is characterized by low production cost, strong adhesive force, good sharpness and self-sharpness, long service life and good abrasion cutting effect.

Description

technical field [0001] The invention relates to a resin-bonded diamond grinding wheel, in particular to a resin-bonded diamond grinding wheel for fine trimming of ceramic walls and floor tiles and a manufacturing method thereof, especially suitable for edging. Background technique [0002] For the edging of ceramic glazed tiles and polished tiles, etc., generally use a metal-bonded diamond edging wheel for rough grinding, and then use a resin-bonded diamond edging wheel for fine edging, so as to achieve a flat and smooth effect around the brick. The usual resin-bonded diamond edging grinding wheel uses phenolic resin as a bonding agent. The volume percentage of each material in the abrasive layer is: 45-62% for phenolic resin, 18-25% for diamond abrasive, and 10-18% for copper powder. %, lead powder is 5-10%, chromium oxide filler is 5-10%. This kind of grinding wheel is due to the use of a large amount of diamond abrasives and copper powder, and the production cost is rela...

Claims

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Application Information

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IPC IPC(8): B24D3/32B24D18/00
Inventor 尹育航陶洪亮周华
Owner 广东奔朗新材料股份有限公司
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