A Grinding Amount Design Method Based on the Constraints of Abrasive Particle Thickness Distribution

A technology of grinding amount and design method, which is applied in the direction of design optimization/simulation, special data processing application, complex mathematical operation, etc., to achieve the effect of avoiding time

Active Publication Date: 2021-08-03
HUAQIAO UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that it is difficult to optimize the design of the grinding amount based on the processing results, and propose a method for the optimal design of the grinding amount

Method used

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  • A Grinding Amount Design Method Based on the Constraints of Abrasive Particle Thickness Distribution
  • A Grinding Amount Design Method Based on the Constraints of Abrasive Particle Thickness Distribution
  • A Grinding Amount Design Method Based on the Constraints of Abrasive Particle Thickness Distribution

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Embodiment 1

[0049] In this embodiment, the abrasive tool is a grinding wheel, and the optimal design of the grinding amount is carried out with the goal of obtaining a good machined surface quality. The workpiece is No. 45 steel, and the surface roughness Ra of the processing result is expected to be less than 0.4um. The user has given the parameters of the abrasive grain on the surface of the grinding wheel. The grain size, position and edge height are all normal distributions. The parameters are: grain size N(550 ,0.25), position N(0.1,0.4), the blade height is N(67,0.15).

[0050] Specific optimization design process:

[0051] (1) Set the target abrasive grain cutting thickness distribution according to the processing results, such as figure 1 The distribution 1 of the given grinding wheel is shown in 1; the grinding parameters of the given grinding wheel adopt the value given by the user; a set of grinding amount is initially given (grinding speed v s =45m / s, feed speed v w =20m / mi...

Embodiment 2

[0073] The grinding tool is a grinding wheel, the workpiece is a TC4 titanium alloy, and the expected processing efficiency is 600mm 3 / s, the grinding roughness is 0.35um. Given grinding wheel parameter 3, the user only provided a real grinding wheel without specific parameters.

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Abstract

The invention discloses a method for designing grinding amount based on abrasive grain cutting thickness distribution constraints. Parameter grinding amount, initializing grinding amount; (2), calculate the abrasive grain cutting thickness distribution by the abrasive grain parameters on the surface of the abrasive tool and the grinding amount, and calculate the abrasive grain cutting thickness distribution; (3), calculate the abrasive grain cutting thickness distribution in step (2) The abrasive cut thickness distribution of the abrasive grains is compared with the target abrasive grain cut thickness distribution set in step (1). If the difference between the two is too large, adjust the grinding amount of abrasive grains and repeat steps (2) and (3) until After the difference between the cut thickness distribution of abrasive grains calculated in step (3) and the cut thickness distribution of abrasive grains set in step (1) meets the set standard, the calculation is stopped, and the grinding amount at this time is the optimal result. Processing with optimal grinding amount can effectively achieve the expected processing purpose.

Description

technical field [0001] The invention relates to the field of grinding, in particular to a method for designing grinding amount based on the constraints of abrasive grain cut thickness distribution. Background technique [0002] Grinding is the main processing method for parts with high dimensional accuracy and high surface quality, and is an important part of advanced manufacturing technology. The control of the grinding process and the accurate prediction of the machining results are very important to the high-efficiency precision grinding technology. Grinding is a processing method in which many abrasive grains are controlled by a bond to achieve micro-cutting, and then macroscopically remove the workpiece material. In other words, grinding is the removal of material on the tool at the macro level, and at the micro level it is actually the cutting of each abrasive grain. Therefore, the cut thickness value of each abrasive grain has always been a key control quantity of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06F17/11
CPCG06F17/11G06F30/20
Inventor 徐西鹏黄国钦方从富崔长彩黄辉张玉周
Owner HUAQIAO UNIVERSITY
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