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Method for polishing wheet from sisal fiber

A manufacturing method and technology of sisal fiber, applied in the direction of manufacturing tools, wheels of working parts with flexible effects, abrasives, etc., can solve the problem that the tight combination of polishing wheels cannot be guaranteed, the effect of polishing wheels will be affected, and the service life of polishing wheels will be shortened and other problems, to achieve the effect of reducing the amount of abrasive, diversifying the ventilation structure, and improving the polishing quality

Inactive Publication Date: 2005-01-12
黄焕仪 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is following shortcoming in the sisal fiber polishing wheel prepared by this method: 1. because the sisal fiber length used has only 4-12cm, thus the sisal fiber of polishing wheel comes off easily in use, shortens the service life of polishing wheel ;②Because of the limitation of needle punching density, it cannot guarantee that any part of the polishing wheel can be tightly bonded, which will also affect the use effect of the polishing wheel

Method used

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  • Method for polishing wheet from sisal fiber

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Effect test

Embodiment 1

[0019] Embodiment one: earlier the sisal fiber is chopped into 20-50mm, then according to following proportioning mixing (mass percentage): 85% of sisal chopped fiber, polyvinyl alcohol resin 6%, cotton fiber 5%, silicon carbide 4%. Dry the mixture to a moisture content of about 10%, and then spread the dried mixture evenly in the metal mold. The mold is preheated to 120°C, and then the mold is placed on a hydraulic press for hot pressing at a pressure of 3Mpa. Wait for the mold to cool When the temperature is below 60°C, release the pressure and release the mold. The thickness that makes sisal fiber polishing wheel is 10mm, and density is 0.75g / cm 3 .

Embodiment 2

[0020] Embodiment two: first sisal fiber is cut into 40-200mm, then by following proportioning mixing (mass percentage): sisal cut short fiber 78%, polyvinyl butyral resin 8%, jute fiber 6% , wollastonite 8%. Dry the mixture to a moisture content of 12%, and spread the dried mixture evenly in a metal mold. The mold is preheated to 140°C, and then the mold is placed on a hydraulic press for hot pressing at a pressure of 1Mpa. After the mold is cooled to Below 60°C, release the pressure and release the mold. The thickness that makes sisal fiber polishing wheel is 30mm, and density is 0.50g / cm 3 .

Embodiment 3

[0021] Embodiment three: first sisal fiber is cut into 30-300mm, then according to following proportioning mixing (mass percentage): sisal cut short fiber 75%, urea-formaldehyde resin 10%, cotton fiber 8%, silicon carbide 7% . Dry the mixture to a moisture content of 15%, and spread the dried mixture evenly in a metal mold. The mold is preheated to 150°C, and then the mold is placed on a hydraulic press for hot pressing at a pressure of 2Mpa. After the mold is cooled to Below 60°C, release the pressure and release the mold. The thickness that makes sisal fiber polishing wheel is 50mm, and density is 0.65g / cm 3 .

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Abstract

A polishing wheel is made up of short sisal hemp fibres, synthetic resin, plant fibres and inorganic compound through proportionally mixing, drying, hot die pressing and trimming.

Description

【Technical field】 [0001] The invention relates to a method for manufacturing a polishing wheel, in particular to a method for manufacturing a molded sisal fiber polishing wheel, and belongs to the technical field of grinding and polishing. 【Background technique】 [0002] Polishing technology is an emerging technology and a complex frontier subject, belonging to the field of grinding and polishing technology. The polishing wheel integrates grinding and polishing, has excellent grinding and polishing performance, and is widely used in various fields such as aviation, machinery, automobile, shipbuilding, metallurgy, chemical industry, construction, furniture, decoration and daily necessities. [0003] The traditional sisal fiber polishing wheel is made of sisal fiber cloth, which shows that there are few varieties and structures of sisal fiber polishing wheel, and there are few varieties of special-shaped structures, which cannot adapt to the processing requirements of differen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D13/00
Inventor 黄焕仪郑静
Owner 黄焕仪
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