Cascade grinding wheel slice and production method thereof

A stacked, grinding wheel technology, applied in the field of abrasives, can solve the problems of poor durability of grinding wheel slices, increased cutting costs for users, and high consumption of grinding wheel slices. It achieves good dimensional stability, improves wetting and bonding performance, and improves The effect of cut ratio

Inactive Publication Date: 2013-04-17
泰州苏蒙砂轮有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

On the other hand, in addition to the small diameter of the grinding wheel slices manufactured by the prior art, there are also problems such as unreasonable comp

Method used

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  • Cascade grinding wheel slice and production method thereof
  • Cascade grinding wheel slice and production method thereof
  • Cascade grinding wheel slice and production method thereof

Examples

Experimental program
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preparation example Construction

[0044] The present invention also includes the preparation method of laminated grinding wheel slice, and it implements according to the following steps:

[0045] A. mix

[0046] Add the white corundum, zirconium corundum, brown corundum and semi-brittle corundum measured according to the ratio into the rough mixing cylinder of the mixer, mix for 2 to 10 minutes, then add the measured phenolic resin solution, and continue to mix for 5 to 15 minutes to obtain a rough mix. material; add the measured cryolite powder, pyrite powder, and phenolic resin powder into the fine mixing cylinder of the mixer, and mix for 5 to 10 minutes to obtain the fine mixture, then gradually add the coarse mixture to the fine mixture, and mix for 10 minutes. ~ 15 minutes to get the abrasive layer.

[0047] B. Sieving

[0048] After the abrasive material is out of the cylinder, it is sieved with an 8-mesh sieve.

[0049] C. Ripening treatment

[0050] Place the sieved abrasive layer material at a te...

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Abstract

The invention discloses a cascade grinding wheel slice and a production method thereof. The cascade grinding wheel slice comprises abrasive layers and reinforcing layers, which are stacked alternately. The reinforcing layers are fiberglass mesh discs, located in even layers, and the abrasive layers are located in odd layers. The abrasive layers are made from white corundum, fused alumina zirconia, brown aluminum oxide, semi-friable aluminum oxide, phenolic resin liquid, phenolic resin powder, cryolite powder, pyrite powder and gypsum powder. The use of hot-forming process for production promotes prepolymerization of resin bond, increases tissue density and improves cutting ratio. In addition, compounding of the resin liquid and the resin powder improves wetting and bonding performance of resin for abrasives, so that revolving strength of the grinding wheel slice is increased and burst in rotation at normal linear speed is avoided.

Description

technical field [0001] The invention relates to an abrasive abrasive tool, in particular to a grinding wheel slice for cutting large-diameter steel, and a matching preparation method. Background technique [0002] For rolling mills, under the conditions allowed by the cutting equipment, the larger the diameter of the grinding wheel slice used, the lower the cost of use. The reason is that regardless of the diameter of the grinding wheel slices, the positions used for positioning and installation are equal. The larger the diameter of the grinding wheel slices, the greater the cutting volume of a single slice. Due to the high utilization rate, the use cost is low. However, the larger the diameter of the grinding wheel slice, the greater the centrifugal force generated during rotation, and the higher the requirements for the rotation strength and safety performance of the grinding wheel slice. Otherwise, it is prone to bursting accidents, causing economic losses and safety pro...

Claims

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Application Information

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IPC IPC(8): B24D5/12B24D3/28B24D3/34B24D18/00
Inventor 严光华孔德轮严亮严飞
Owner 泰州苏蒙砂轮有限公司
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