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Supply system and method for auxiliary grinding of nano cerium oxide liquid

A nano-cerium oxide and supply system technology, which is applied in the field of nano-cerium oxide liquid-assisted grinding supply system, can solve the problems of inaccurate calculation, control, influence on functions, etc., and achieve high-quality nano-cerium oxide liquid-assisted grinding. Effect

Pending Publication Date: 2022-04-15
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the program includes polyvinyl alcohol aqueous solution, which may still affect its function due to inaccurate calculation, control and dosing of polyvinyl alcohol aqueous solution

Method used

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  • Supply system and method for auxiliary grinding of nano cerium oxide liquid
  • Supply system and method for auxiliary grinding of nano cerium oxide liquid

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: Embodiment 1 is a basic embodiment.

[0032] The invention provides a nano cerium oxide liquid auxiliary grinding supply system, comprising a nano cerium oxide liquid 1, an ultrasonic liquid processing device 2, a circulation pump 3, a pipe head 4, a grinding table, a return pipe 5, and a container 6. The grinding table is used to carry workpieces; a grinding area is set on the grinding table, and the workpiece is ground in the grinding area; preferably, the workpiece is placed on the grinding table Grinding operation of the grinding wheel.

[0033] The nano-cerium oxide liquid 1 is stored in the container 6, the working end of the ultrasonic liquid processing device 2 is immersed in the nano-cerium oxide liquid 1, the input end of the circulation pump 3 is connected to the container 6, and the output end of the circulation pump 3 passes through the pipe The head 4 is connected to the grinding workbench, thereby guiding the nano-cerium oxide liquid 1 in t...

Embodiment 2

[0043] Embodiment 2: Embodiment 2 is a preferred example of Embodiment 1.

[0044] Adopt CNC grinding machine (model is SMARTB818Ⅲ), and grinding workbench adopts 180# diamond emery wheel on said adopting CNC grinding machine, and abrasive grain size is about 80 μ m, and emery wheel size: diameter 150 millimeters, thickness 5 millimeters, described emery wheel is installed on the place On the spindle of the CNC grinding machine described above, the workpiece material is quartz optical glass, and the geometric dimensions are 20 mm x 20 mm x 4 mm in length x width x height. The diamond grinding wheel rotates at 4000 rpm, the grinding feed rate is 1 mm / min, and the grinding depth is 5 microns. Adopt described nano cerium oxide liquid auxiliary grinding supply system, in the nano cerium oxide liquid (1), the particle size of cerium oxide is 1 μm, the total mass of the solution is 5 kg, the mass fraction of the solution is 10%, and the water pump flow rate is 4300L / H, the ultraso...

Embodiment 3

[0045] Embodiment 3: Embodiment 3 is a preferred example of Embodiment 1.

[0046] Adopt CNC grinding machine (model is SMARTB818Ⅲ), and grinding workbench adopts 180# diamond emery wheel on said adopting CNC grinding machine, and abrasive grain size is about 80 μ m, and emery wheel size: diameter 150 millimeters, thickness 5 millimeters, described emery wheel is installed on the place On the spindle of the CNC grinding machine described above, the workpiece material is quartz optical glass, and the geometric dimensions are 20 mm x 20 mm x 4 mm in length x width x height. The diamond grinding wheel rotates at 4000 rpm, the grinding feed rate is 1 mm / min, and the grinding depth is 5 microns. Using the nano cerium oxide liquid assisted grinding supply system, the particle size of cerium oxide in the nano cerium oxide liquid 1 is 500nm, the total mass of the solution is 5 kg, the mass fraction of the solution is 10%, and the flow rate of the water pump is 4300L / H. The ultrasonic...

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Abstract

The invention provides a supply system and method for auxiliary grinding of nano cerium oxide liquid. The auxiliary grinding supply system for the nanometer cerium oxide liquid comprises the nanometer cerium oxide liquid, an ultrasonic liquid treatment device, a circulating pump, a pipe head, a grinding workbench, a backflow pipe and a container. The grinding workbench is used for bearing a workpiece, and the grinding wheel is arranged on the main shaft; the nano cerium oxide liquid is stored in the container, is treated by the ultrasonic liquid treatment device, is conveyed to the height of the grinding workbench through the circulating pump, is conveyed to the grinding workbench through the pipe head, and then flows into the container through the return pipe. According to the method, sedimentation and agglomeration of the nano cerium oxide particles are prevented by adopting a physical method, the phenomenon that the auxiliary grinding effect gradually becomes poor due to sedimentation and agglomeration of the nano cerium oxide particles in auxiliary grinding of the nano cerium oxide liquid can be avoided, and long-acting and high-quality auxiliary grinding of the nano cerium oxide liquid is realized.

Description

technical field [0001] The present invention relates to the field of nano-cerium oxide liquid-assisted grinding, in particular to a supply system and method for nano-cerium oxide liquid-assisted grinding, and in particular to a physical method for nano-cerium oxide liquid to prevent nano-cerium oxide particles from settling And agglomeration to form a uniform nano-cerium oxide liquid, maintaining its long-term and effective auxiliary grinding function. Background technique [0002] At present, hard and brittle materials such as optical components (quartz glass, BK7, etc.), semiconductor components (single crystal silicon carbide, single crystal silicon, gallium oxide single crystal, etc.) require high-quality surfaces (low surface roughness and subsurface damage). However, the processing of these components mostly uses expensive nano-level machine tools and ultra-fine grinding tools. The grinding depth is limited in the nanoscale, resulting in extremely low processing effic...

Claims

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Application Information

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IPC IPC(8): B24B57/02B24B1/04B24B27/00
Inventor 张龙朱利民
Owner SHANGHAI JIAO TONG UNIV