Manufacturing method for resin grinding wheel cutting piece with function of cutting soft and hard materials

A technology of resin grinding wheel and manufacturing method, which is applied in the field of abrasives and abrasive tools, can solve problems such as lack of equipment, and achieve the effects of increasing safety in use, simple operation of equipment, and high output

Inactive Publication Date: 2010-04-07
武汉法山磨料磨具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it is a pity that the current resin cutting discs do not have the function of "one piece" for dual purposes, and the cutting discs must be replaced in critical and emergency situations.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0024] Resin grinding wheel sheet bonded mixed abrasive formula, the ratio by weight percentage is as follows:

[0025] 24# black silicon carbide abrasive 45%

[0026] 24# brown corundum abrasive 30%

[0027] 30# brown corundum abrasive 4%

[0028] Phenolic resin solution 5%

[0029] 240 mesh phenolic resin powder 10%

[0030] 120 mesh cryolite 5%

[0031] Average particle size 5μm polytetrafluoroethylene powder 1%

[0032] Its preparation process is as follows:

[0033] Add 24# black silicon carbide, 24#, and 30# brown corundum abrasives into the mixing pot according to the proportioning weight and mix evenly, then add phenolic resin liquid, after the corundum abrasives are completely wet, add cryolite and polytetrafluoroethylene powder in turn After mixing evenly, add phenolic resin powder and continue mixing until the phenolic resin powder is evenly attached to each abrasive. Then weigh according to the single weight of the cutting piece and then feed the material. B...

example 2

[0036] Resin grinding wheel cutting disc bonded mixed abrasive formula, the ratio by weight percentage is:

[0037] 24# black silicon carbide abrasive 40%

[0038] 30# brown corundum abrasive 36%

[0039]36# brown corundum abrasive 4%

[0040] Phenolic resin solution 4%

[0041] 240 mesh phenolic resin powder 9%

[0042] 120 mesh cryolite 2%

[0043] PTFE powder (average particle size 5μm) 5%

[0044] Its preparation process is identical with example 1.

[0045] The 356*4.0*25.4 double mesh reinforced resin cutting blade formed by this formula and process is better than cutting concrete in cutting metal.

example 3

[0047] Resin grinding wheel cutting disc bonded mixed abrasive formula, the ratio by weight percentage is as follows:

[0048] 30# black silicon carbide abrasive 50%

[0049] 24# brown corundum abrasive 27%

[0050] 36# brown corundum abrasive 3%

[0051] Phenolic resin solution 4.5%

[0052] 240 mesh phenolic resin powder 8.5%

[0053] 120 mesh cryolite 4%

[0054] PTFE powder (average particle size 5μm) 3%

[0055] Its preparation process is identical with example 1.

[0056] The model of 356*4.0*25.4 double mesh reinforced resin cutting grinding wheel made by this formula and process is better than cutting metal in cutting concrete.

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Abstract

The invention relates to a manufacturing method for a resin grinding wheel cutting piece with function of cutting soft and hard materials. In the method, a silicon carbide grinding material with different particle sizes, a brown aluminium oxide grinding material with mixed particle sizes, a phenolic resin binder, a polytetrafluoroethylene dry grinding lubricant and a cryolite packing material are prepared into a resin grinding wheel cutting piece bonding mixed grinding material; the resin grinding wheel cutting piece bonding mixed grinding material is coated on a grinding wheel net according to piece weight specification of the cutting piece; and the resin grinding wheel cutting piece is prepared by spreading and scraping the grinding material with a scraper blade, and pressurizing, molding and hardening the grinding material with a pressing plate. The silicon carbide grinding material and the brown aluminium oxide grinding material in an optimum proportion make the resin grinding wheel cutting piece play a decisive concordant role in cutting the soft and hard materials; and the polytetrafluoroethylene dry grinding lubricant is adopted to make the resin grinding wheel cutting piece have good balance in the aspects of cutting speed and cutting durability. Therefore, the manufacturing method comprehensively improves and expands functions and application of the resin grinding wheel cutting piece.

Description

technical field [0001] The invention discloses a method for manufacturing a resin grinding wheel cutting sheet capable of cutting two kinds of materials, soft and hard, and belongs to the field of abrasives, and in particular relates to a resin grinding wheel cutting tool. Background technique [0002] Resin grinding wheel cutting discs are widely used in mechanical metallurgy, construction, military industry, railway construction, fire rescue and other fields. The so-called resin grinding wheel cutting sheet is a cutting sheet that is pressurized on the grinding wheel mesh after the resin binder is mixed with the abrasive to form a bonded abrasive. According to different uses, it can be divided into two categories: one is grinding wheel cutting discs suitable for cutting hard materials, which are mainly used for cutting metal materials such as steel pipes, steel bars, steel bars and other metal materials. This type of resin grinding wheel cutting discs is based on The resi...

Claims

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Application Information

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IPC IPC(8): B24D18/00B24D3/28
Inventor 马晖杨鹍
Owner 武汉法山磨料磨具有限公司
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