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Liquid magnetic grinding and it preparation method

A technology of liquid magnetism and magnetic abrasive tools, which is applied in the manufacture of tools, metal processing equipment, metal processing, etc., can solve complex polishing and deburring problems, and achieve good material adaptability, low precision requirements, and simple equipment.

Inactive Publication Date: 2008-04-30
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the liquid magnetic abrasive tool and the preparation method thereof of the present invention is to effectively solve the difficult problem of polishing and deburring complex surfaces, especially parts with curved surfaces of revolution, and performing precision finishing processing, thereby disclosing a stable viscous suspended liquid magnetic abrasive tool technology for its preparation

Method used

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  • Liquid magnetic grinding and it preparation method

Examples

Experimental program
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Effect test

Embodiment approach 1

[0034] Adopt the liquid magnetic grinding tool of the present invention, to the diameter 30mm magnetic material 45 steel specimens and non-magnetic material duralumin (YL12) specimens were tested respectively, 45# steel and hard aluminum alloy YL12 two Nine pieces of each material were divided into two groups and tested in an orthogonal manner. The liquid magnetic grinding tool that experiment adopts is by water 195 grams (weight ratio 31.4%), carbonyl iron 270 grams (weight ratio 43.4%), sodium dodecylsulfonate 6.2 grams (weight ratio 1%) and 54 purpose silicon carbide abrasives 150 grams (24.2% by weight) for preparation; sodium dodecyl sulfonate was added to water, and mechanically stirred for 10 minutes to disperse it evenly in the base liquid; carbonyl iron particles were added to the base liquid and the surface In the mixed solution of the active agent, and use a stirrer to fully mix, the mixing time is 4 hours; add the silicon carbide abrasive to the mixed solution of t...

Embodiment approach 2

[0044] Adopt the liquid magnetic grinding tool of the present invention, to the diameter 30mm magnetic material 45 steel specimens and non-magnetic material duralumin (YL12) specimens were tested respectively, 45# steel and hard aluminum alloy YL12 two Nine pieces of each material were divided into two groups and tested in an orthogonal manner. The liquid magnetic abrasive tool that experiment adopts is made of water 200 grams (weight ratio 29.96%), carbonyl iron 280 grams (weight ratio 41.95%), sodium dodecylsulfonate 7.5 grams (weight ratio 1.12%) and 80 mesh silicon carbide abrasives 180 grams (weight ratio 26.97%) preparation. Add sodium dodecylsulfonate into water, and use mechanical stirring method to stir for 30 minutes to disperse it evenly in the base liquid; add carbonyl iron particles to the mixed solution of base liquid and surfactant, and use stirring The mixing time is 6 hours; the silicon carbide abrasive is added to the mixture of base liquid, surfactant and p...

Embodiment approach 3

[0049] Adopt the liquid magnetic grinding tool of the present invention, to the diameter 30mm magnetic material 45 steel specimens and non-magnetic material duralumin (YL12) specimens were tested respectively, 45# steel and hard aluminum alloy YL12 two Nine pieces of each material were divided into two groups and tested in an orthogonal manner. The liquid magnetic grinding tool that experiment adopts is made of water 200 grams (weight ratio 29.96%), carbonyl iron 280 grams (weight ratio 41.95%), sodium dodecylsulfonate 7.5 grams (weight ratio 1.12%) and 80 mesh Al 2 o 3 Abrasive 180 grams (weight ratio 26.97%) is prepared. Add sodium dodecylsulfonate into water, and use mechanical stirring method to stir for 20 minutes to disperse it evenly in the base liquid; add carbonyl iron particles to the mixed solution of base liquid and surfactant, and use colloid Grinding is fully mixed, and the mixing time is 5 hours; the non-magnetic abrasive AL 2 o 3 Add the mixed liquid of bas...

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Abstract

A magnetic liquid grinder for polishing the surface of metallic or non-metal work-piece features that when there is no action of magnetic, its magnetic liquid can flow freely and when a magnetic field is applied to it, it can become a visco-plastic substance with a certain rigidity to form a flexible grinding layer on the surface of work-piece. The surface of work-piece can be polished by the relative movement between work-piece and said flexible grinding layer.

Description

1. Technical field [0001] The liquid magnetic abrasive tool and the preparation method thereof of the present invention belong to the field of finishing processing of mechanical products, relate to a liquid magnetic abrasive tool, a processing method and equipment, and are a new type of abrasive tool suitable for surface finishing processing of metal and non-metallic parts, which can be conveniently Realize the precision finishing, polishing and deburring of the surfaces of complex rotary curved parts and cavity surfaces. 2. Technical Background [0002] The surface quality of mechanical parts has an important influence on the assembly accuracy, performance and service life of the whole machine. With the development of modern high-speed and high-precision equipment, higher and higher requirements are placed on the surface quality of parts. Therefore, finishing the surface of mechanical parts has become a necessary process in modern product manufacturing. So far, more than 2...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24D17/00B24D99/00
Inventor 孙桓五杨世春杨胜强李文辉
Owner TAIYUAN UNIV OF TECH
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