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An Optimum Design Method of Grinding Wheel Dressing Amount Based on Controlled Cutting Thickness Distribution of Abrasive Grains

A technology of grinding wheel dressing and design methods, applied in the directions of grinding machine parts, design optimization/simulation, grinding/polishing equipment, etc.

Active Publication Date: 2020-05-05
HUAQIAO UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that it is difficult to design the amount of dressing of the grinding wheel based on the processing results, and propose an optimal design method for the amount of dressing of the grinding wheel based on the controlled distribution of the thickness of the abrasive grains

Method used

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  • An Optimum Design Method of Grinding Wheel Dressing Amount Based on Controlled Cutting Thickness Distribution of Abrasive Grains
  • An Optimum Design Method of Grinding Wheel Dressing Amount Based on Controlled Cutting Thickness Distribution of Abrasive Grains
  • An Optimum Design Method of Grinding Wheel Dressing Amount Based on Controlled Cutting Thickness Distribution of Abrasive Grains

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Embodiment 1

[0052] In this embodiment, the optimized 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). The given processing amount is the grinding speed v s =45m / s, feed speed v w =20m / min, grinding depth a p It is 10um; the trimming amount is initially estimated to be 50um

[0053] Specific optimization design process:

[0054] (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 abrasive particle parameters of the given gr...

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Abstract

The invention discloses a grinding wheel dressing amount optimization design method based on abrasive particle cutting thickness distribution control. The grinding wheel dressing amount optimization design method based on abrasive particle cutting thickness distribution control comprises the following steps that (1) a set grinding wheel surface abrasive particle parameter is given, the grinding parameter is given, and a target abrasive particle cut thickness distribution is set according to a machining result; (2) after virtual dressing, abrasive particle cutting thickness distribution calculation is conducted on the grinding wheel surface abrasive particle parameter and the grinding parameter, and the abrasive particle cutting thickness distribution is worked out; (3) the abrasive particle cutting thickness distribution worked out in the step (2) is compared with the target abrasive particle cutting thickness distribution set in the step (1), if the difference is excessively large, the virtual dressing amount is adjusted, then the step (2) and the step (3) are executed circularly, and calculation is not stopped until the difference between the abrasive particle cutting thickness distribution worked out in the step (3) and the abrasive particle cutting thickness distribution set in the step (1) meets a set standard. The optimized dressing amount is used for dressing the grinding wheel, the dressed grinding wheel conducts working in combination with the set grinding parameter, and the expected machining purpose can be effectively achieved.

Description

technical field [0001] The invention relates to the field of grinding, in particular to a method for optimally designing the dressing amount of a grinding wheel based on the controlled cutting thickness distribution of abrasive grains. 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 a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B53/06G06F30/20
CPCB24B53/06G06F30/20
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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