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Grinding wheel bond special for tobacco blanket machine

A shredding machine and binder technology, which is applied in tobacco, tobacco processing, application, etc., can solve the problems of high molding density, reduced service life of grinding wheel, high scrap rate, etc., and achieve high temperature wettability, appropriate refractoriness, and mechanical strength high effect

Inactive Publication Date: 2011-11-09
成都砂轮有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing commonly used grinding wheel bond is made of clay, feldspar, talc, boron glass, silica and other materials. It has good chemical stability, water resistance, acid resistance, heat resistance, low cost, but is relatively brittle. Due to the use of a large amount of bond, A series of conditions such as high molding density and high molding pressure lead to cracks on the grinding wheel, and poor wettability at high temperature, which not only leads to high scrap rate, but also reduces the service life of the grinding wheel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Take an appropriate amount of Xuyong clay powder, Shangluo feldspar powder, borax glass powder, and iron oxide red and weigh them according to the proportion of the components. After proportioning, the content of each chemical component in the raw materials is: Al 2 o 3 : 23.0 g, SiO 2 : 56.0 g, Fe 2 o 3 : 1.0g, B 2 o 3 : 6.0g, CaO: 0.3g, MgO: 0.5g, K 2 O+Na 2 O: 13.2 grams. After burning, the weight loss is 4%; the refractoriness of the binder is 1018°C; 100% of the binder passes 60 # sieve.

Embodiment 2

[0018] Take an appropriate amount of Xuyong clay powder, Shangluo feldspar powder, borax glass powder, and iron oxide red and weigh them according to the proportion of the components. After proportioning, the content of each chemical component in the raw materials is: Al 2 o 3 : 24.0 g, SiO 2 : 55.0 g, Fe 2 o 3 : 1.4g, B 2 o 3 : 7.0g, CaO: 0.2g, MgO: 0.4g, K 2 O+Na 2 O: 12.0 grams, 3% weight loss after burning; the refractoriness of the binder is 1030°C; 100% of the binder passes 60 # sieve.

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Abstract

The present invention relates to a grinding wheel bond special for a tobacco blanket machine. The grinding wheel bond consists of halloysite clay powder, Shangluo feldspar powder, borax glass powder and iron oxide red, and comprises the following chemical components in percentage by weight: 21.0 to 24.0 percent of Al2O3, 52.0 to 56.0 percent of SiO2, 1.0 to 1.5 percent of Fe2O3, 5.5 to 7.5 percent of B2O3, 0 to 0.5 percent of CaO, 0 to 0.5 percent of MgO and 10.0 to 14.0 percent of K2O and Na2O. Due to the addition of halloysite clay powder, Shangluo feldspar, borax glass and iron oxide red, the grinding wheel bond has the advantages of moderate refractability, ideal liquidity, high mechanical strength, ideal high-temperature wetting quality, and the like.

Description

Technical field: [0001] The invention relates to a grinding wheel bond specially used for a tobacco cutting machine. Background technique: [0002] The general preparation method of special grinding wheel for tobacco cutting machine is to mix wetting agent, abrasive, bonding agent, adhesive, etc. in a certain proportion and order through a variable speed countercurrent mixer, and then dry and burn at high temperature after pressing. The existing commonly used grinding wheel bond is made of clay, feldspar, talc, boron glass, silica and other materials. It has good chemical stability, water resistance, acid resistance, heat resistance, low cost, but is relatively brittle. Due to the use of a large amount of bond, A series of conditions such as high molding density and high molding pressure lead to cracks in the grinding wheel, and poor wettability at high temperature, which not only leads to high scrap rate, but also reduces the service life of the grinding wheel. Invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24D3/04A24B7/00
Inventor 袁梦霞
Owner 成都砂轮有限公司