The invention discloses an ABAQUS software-based parametric modeling method for an ultrasonic-assisted small hole drilling grinding wheel

A parametric modeling, ultrasonic-assisted technology, applied in design optimization/simulation, electrical digital data processing, special data processing application, etc. To achieve the effect of reducing dependencies and necessity, reducing geometric modeling time

Inactive Publication Date: 2019-04-12
TIANJIN UNIV
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Problems solved by technology

Due to the limited compatibility and recognition ability between different software, it will affect the mesh division of subsequent analysis and the establishment process of the 3D model of the complex ultrasonic-assisted small hole drilling grinding wheel, making geometric modeling more time-consuming and cumbersome

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  • The invention discloses an ABAQUS software-based parametric modeling method for an ultrasonic-assisted small hole drilling grinding wheel
  • The invention discloses an ABAQUS software-based parametric modeling method for an ultrasonic-assisted small hole drilling grinding wheel
  • The invention discloses an ABAQUS software-based parametric modeling method for an ultrasonic-assisted small hole drilling grinding wheel

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Embodiment Construction

[0031] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0032] Such as figure 1 As shown, the ultrasonic-assisted small hole drilling grinding wheel three-dimensional parameterized geometric modeling method based on ABAQUS software of the present invention, the steps are as follows:

[0033] Step 1: Measure the geometric dimensions of the real ultrasonic-assisted small hole drilling grinding wheel, and define the size of the geometric model of the ultrasonic-assisted small hole drilling grinding wheel. By measuring the geometric dimensions of the real ultrasonic-assisted small hole drilling grinding wheel, the parameters with a central hole diameter of 2.2.mm, a length of the holding end of the grinding wheel end of 24 to 50mm, the length of the working area, the outer diameter of the cutter bar and the size of the abrasive grain can be established. The input 3D geometric model. (as shown in pictur...

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Abstract

The invention discloses an ABAQUS software-based parametric modeling method for an ultrasonic-assisted small hole drilling grinding wheel, and the method comprises the steps: measuring the geometric dimension of a real ultrasonic-assisted small hole drilling grinding wheel, and defining the dimension of a geometric model; O; observing the surface topography of the grinding wheel, calculating the average interval of grinding wheel abrasive particles by combining the concentration of the grinding wheel, and defining an abrasive particle model; D; dividing grids of the grinding wheel geometric model, and establishing hexahedral virtual grids; T; the initial positioning hexahedral abrasive particle central surface is located on the outer surface of the hexahedral virtual grid, so that the hexahedral abrasive particles move in the virtual grid; A; according to the abrasive particle edging height, t, the abrasive particles are moved to meet conditions, and a three-dimensional geometrical morphology model of the grinding wheel is determined; C; compiling a GUI plug-in, and calling the plug-in to generate a grinding wheel parametric modeling input interface; A; and inputting parameters into the GUI to generate a three-dimensional geometrical morphology model of the grinding wheel. According to the method, t, the geometrical shape of the hexahedral abrasive particles is close to the actual abrasive particles of the grinding wheel, and the grinding result and performance of the grinding wheel are predicted and evaluated more accurately in numerical simulation.

Description

technical field [0001] The invention belongs to the field of computer three-dimensional virtual modeling, in particular to an ultrasonic-assisted small hole drilling grinding wheel parameterized virtual geometric modeling method, in particular to an ultrasonic-assisted small hole drilling grinding wheel based on ABAQUS software and python language 3D parametric geometric modeling method. Background technique [0002] The grinding process can be regarded as a process in which the mutual interference between the abrasive grains and the workpiece leads to material removal, that is, a large number of abrasive grains on the surface of the grinding wheel participate in the machining process to achieve the overall effect of material removal. Due to the randomness of the arrangement position of the abrasive grains on the grinding wheel, its own shape, size, and the number of grinding edges, as well as the self-excitation of the abrasive grains in the real grinding process, and the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 林彬赵菲菲隋天一何远评王安颖魏金花
Owner TIANJIN UNIV
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