Super-speed grinding experiment method for single abrasive grain

An ultra-high-speed grinding and single-grain technology, which is applied in the testing of wear resistance, etc., can solve the problems that the grinding state of a single abrasive grain cannot be simulated, and the complexity of the shape of the cutting edge cannot reflect the multi-edge shape of the real abrasive grain.

Active Publication Date: 2012-07-18
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0006] The invention provides an experimental method for ultra-high-speed grinding of single abrasive grains, which solves the problem that the above-mentioned single ...

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  • Super-speed grinding experiment method for single abrasive grain
  • Super-speed grinding experiment method for single abrasive grain
  • Super-speed grinding experiment method for single abrasive grain

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0024] As shown in the figure: an experimental method for ultra-high-speed grinding of single abrasive grains, the method is as follows:

[0025] 1) Assemble the grinding wheel, select different types, different particle sizes, and different shapes of superhard abrasive grains according to the different materials of the test pieces, fix the superhard abrasive grains on the grinding wheel and install them on the grinding machine;

[0026] 2) Sample preparation: Grind the surface of the sample with sand and polish it with a graphite grinding wheel to ensure that the surface roughness Ra is not greater than 0.4 μm, which is convenient for tool setting;

[0027] 3) Before grinding, determine the undeformed cutting thickness of a single abrasive chip, the range of which is 0.01-10 μm, and set the grinding depth. The grinding depth cannot exceed two-thirds of the exposed he...

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Abstract

The invention relates to a super-speed grinding experiment method for a single abrasive grain, which is used for the grinding process of the single abrasive grain on a grinding wheel under the high-simulation super-speed condition and belongs to the research field of super-speed grinding for difficult-to-process material. The method comprises the following steps of assembling experiment devices, preparing samples, controlling the direction of the grinding wheel, judging the samples and the like. The super-speed grinding experiment method for the single abrasive grain provided in the invention can better simulate the grinding process of the single abrasive grain on the super-speed grinding wheel, grindings with different cutting thickness of the single abrasive grain can be obtained conveniently through the change of the grinding dosage parameter of the experiment, and the material removal mechanism can be researched through the observation for the microstructures of the grindings, so as to provide the experiment support for researching the grinding process of the material.

Description

technical field [0001] The invention relates to an experimental method for ultra-high-speed grinding of single abrasive grains, which is used for the grinding process of single grains of abrasive grains on a grinding wheel under high-simulation ultra-high-speed conditions, and belongs to the research field of ultra-high-speed grinding of difficult-to-machine materials. Background technique [0002] The single abrasive grain grinding experiment is an important means to study the grinding mechanism of materials and simulate the complex grinding process. The surface is scratched and scratched to study the interaction process of a single abrasive grain on the grinding wheel with the workpiece. Studying the grinding process of single abrasive grains has important guiding significance for the analysis of force, temperature, chip formation mechanism of materials and the influence of grinding wheel topography on the surface quality of workpiece machining in the process of grinding, ...

Claims

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Application Information

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IPC IPC(8): G01N3/56
Inventor 傅玉灿田霖徐九华徐鸿钧丁文锋
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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