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Magnetorheological polishing solution rheology testing device

A technology of magnetorheological polishing and testing device, applied in the field of magnetorheological polishing, can solve the problem of not being able to meet the quantitative test of rheological properties of magnetorheological polishing fluid, and achieve the effects of stable testing, simple and compact structure, and high precision

Inactive Publication Date: 2008-08-20
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

There are many types of magnetorheological fluids according to their composition and performance, and not every kind of magnetorheological fluid can be used for polishing. Different aspects, so the existing methods can not meet the requirements of quantitative testing of the rheological properties of magnetorheological polishing fluid, and there is no equipment for quantitative testing of the rheological properties of magnetorheological polishing fluid

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  • Magnetorheological polishing solution rheology testing device
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  • Magnetorheological polishing solution rheology testing device

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Embodiment Construction

[0037] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] see figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 and Image 6Shown, a kind of magnetorheological polishing liquid rheology testing device of the present invention, it comprises computer 1, support 2 and the torque measurement device 3 that is fixed on the support 2, magnetic field generating device, shear mechanism 4 and drive mechanism, torque The measuring device 3, the magnetic field generating device and the drive mechanism are connected to the computer 1, and the shearing mechanism 4 installed in the magnetic field generating device includes a shearing ring 12 and a fixed ring 11, and the shearing ring 12 is located above the fixed ring 11, and the shearing The outer circumferences of the ring 12 and the fixed ring 11 are respectively provided with a shear ring edge 22 and a fixed ring edge 21 with a certai...

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Abstract

A magnetic rheology polishing solution rheology testing device comprises a computer, a bracket, a torque measuring device fixed on the bracket, a magnetic field generating device, a shearing mechanism and an actuating device, the torque measuring device, the magnetic field generating device and the actuating device are connected with the computer, the shearing mechanism arranged in the magnetic field generating device comprises a shearing ring and a fixed ring, the shearing ring is fixed on the upper side of the fixed ring, the shearing ring and the external circumference on the fixed ring are respectively arranged with a shearing ring edge and a fixed ring edge which have a certain height, a liquid storing groove which is used for storing the magnetic rheology polishing solution is formed between the shearing ring edge and the fixed ring edge, the upper side of the center of the shearing edge which is discal is arranged with a rotation axis connected with the actuating device, and the lower side of the center of the fixed ring is arranged with a connecting axis connected with the torque measuring device. The invention has the advantages of simple and compact structure, low cost, convenient controlling, stable testing, high precision and the like.

Description

technical field [0001] The invention mainly relates to the technical field of magnetorheological polishing, in particular to a device for testing rheological properties of magnetorheological polishing fluid. Background technique [0002] Magnetorheological polishing fluid (Magnetorheological polishing fluid) is composed of carrier liquid (such as water, mineral oil, silicone oil, etc.), magnetic sensitive particles, surfactants, polishing particles and additives with other functions. The rheology of magnetorheological polishing fluid means that it hardens under the action of an external magnetic field and has properties similar to "solid". The greater the strength of the applied magnetic field, the greater the hardness of the magnetorheological polishing fluid. After the magnetic field is removed, the magnetorheological polishing fluid can quickly return to a liquid state. Magnetorheological finishing technology is to use the rheology of magnetorheological polishing fluid i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N11/10G01N3/24
Inventor 戴一帆李圣怡彭小强石峰胡皓解旭辉王建敏
Owner NAT UNIV OF DEFENSE TECH
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