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Multi-level grain size abrasive grain mixed semi-fixation abrasive grain grinding tool

An abrasive particle and particle size technology, applied in the field of semi-fixed abrasive abrasive tools, can solve the problem of inability to take into account the processing accuracy and processing efficiency, and achieve the effect of improving material removal efficiency, improving processing efficiency and high processing accuracy

Inactive Publication Date: 2010-12-22
ZHEJIANG UNIV OF TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiency that the existing abrasive grain processing methods cannot take into account both processing accuracy and processing efficiency, the present invention provides a multi-stage particle size grinding mill that can obtain high processing efficiency while ensuring high processing accuracy and realize efficient precision ultra-precision processing. semi-fixed abrasive

Method used

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  • Multi-level grain size abrasive grain mixed semi-fixation abrasive grain grinding tool
  • Multi-level grain size abrasive grain mixed semi-fixation abrasive grain grinding tool

Examples

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Embodiment 1

[0034] The abrasive grains of the present embodiment are 1000# and 3000# silicon carbide abrasive grains; the adhesive is a plant gum adhesive, such as sodium alginate, galactose, gum arabic; the additive is a silicone oil waterproofing agent and an aluminum powder filler; each component The mass percentage is: the total weight of the abrasive tool is 2.5 kg, 1000# and 3000# silicon carbide abrasive grains account for 70% of the total mass, the ratio is 1000#:3000#=7:3, vegetable adhesive 15%, silicone oil waterproofing agent 7%, aluminum powder filler 8%.

Embodiment 2

[0036] The abrasive grains of the present embodiment are 1000# and 2000# alumina abrasive grains; the adhesive is a starch adhesive, such as potato starch and cornstarch; the additive is a silicon latex water repellant and a tributyl phosphate defoamer; each component The mass percentage is: the total weight of the abrasive tool is 2 kg, the 1000# and 2000# alumina abrasive grains account for 82% of the total mass, the ratio is 1000#:2000#=9:1, the starch adhesive is 6.6%, and the silicon latex waterproofing agent 5%, tributyl phosphate defoamer 0.4%.

Embodiment 3

[0038] The abrasive grains of this embodiment are 600# and 2000# boron carbide abrasive grains; the adhesive is a natural polymer adhesive, such as gelatin and casein; the additive is a silicon latex waterproofing agent; the mass percentage of each component is: It weighs 1.8 kg, 600# and 2000# boron carbide abrasive grains account for 94% of the total mass, the ratio is 600#:2000#=3:7, natural polymer adhesive is 1%, and silicon latex waterproofing agent is 5%.

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Abstract

The grinding tool with semi-fixed abrasive grain mixture in different sizes has abrasive grains adhered in semi-fixing mode and comprises abrasive grains of at least two size levels in 70-94 wt%, and binding agent in 6-30 wt%. The present invention can realize precise processing in high efficiency.

Description

technical field [0001] The invention relates to the field of precision ultra-precision machining, in particular to a semi-fixed abrasive abrasive tool. Background technique [0002] Abrasive machining is the main means of precision ultra-precision machining. Abrasive processing can be roughly divided into two types: free abrasive processing (including grinding and polishing) and fixed abrasive processing (such as ultra-precision grinding). Fixed abrasive processing has the characteristics of high material removal efficiency, and its processing accuracy is increasingly approaching that of free abrasive processing, but requires the use of expensive high-precision, high-rigidity equipment. Moreover, the processing deterioration layer caused by forced feeding is relatively deep, which seriously affects the service performance and life of the product. Therefore, the current precision ultra-precision machining is still the mainstream of free abrasive processing. Free abrasive p...

Claims

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Application Information

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IPC IPC(8): B24D3/00B24D3/20B24D17/00B24D99/00
Inventor 袁巨龙杨翊王志伟陈美伟文东辉邓乾发陈锋吕冰海戴勇
Owner ZHEJIANG UNIV OF TECH
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