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Grinding capacity design method based on grit chip thickness distribution constraint

A technology of grinding amount and design method, applied in design optimization/simulation, calculation, special data processing application, etc.

Active Publication Date: 2018-07-27
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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  • Grinding capacity design method based on grit chip thickness distribution constraint
  • Grinding capacity design method based on grit chip thickness distribution constraint
  • Grinding capacity design method based on grit chip thickness distribution constraint

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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 grinding capacity design method based on grit chip thickness distribution constraint, comprising the steps of (1) setting target grit chip thickness distribution according toprocessing results, giving set grinder surface grit parameter and grinding capacity, and initializing the grinding capacity; (2) subjecting grinder surface grit parameters and grinding capacity to grit chip thickness distribution calculation so as to obtain grit chip thickness distribution; (3) comparing the grit chip thickness distribution of step (2) to the set target grit chip thickness distribution of step (1); if differences are large, adjusting grit grinding capacity, performing the cycle of the steps (2) and (3), and stopping calculating until the differences between the grit chip thickness distribution of step (3) and the set grit chip thickness distribution of step (1) meet a set standard, so that the grinding capacity is an optimization result. The grinding capacity is optimizedin order to perform processing, so that effective expected processing purposes can be met.

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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IPC IPC(8): G06F17/50G06F17/11
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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