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Method for constructing three-dimensional solid model with geometric error and computer-readable storage medium

机译：具有几何误差的三维实体模型的构建方法和计算机可读存储介质

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摘要

The present disclosure provides a method for constructing a three-dimensional solid model with a geometric error and a computer-readable storage medium. The method includes: S10: obtaining an ideal geometric solid model of a component; S20: constructing a geometric error model for a surface of the component by use of geometric error data of the surface of the component; and S30: replacing a corresponding surface in the ideal geometric solid model with the geometric error model to obtain a three-dimensional solid model with a geometric error. The method for constructing a three-dimensional solid model provided by examples of the present disclosure integrates a geometric error of a component with a CAD model, so as to obtain a three-dimensional solid model with a geometric error, which describes a regular appearance characteristic of a real surface of the component macroscopically, and also reflects an irregular geometric error shape characteristic of the surface of the component microscopically.

机译：本公开提供了一种用于构建具有几何误差的三维实体模型的方法和计算机可读存储介质。该方法包括：S 10 ：获得部件的理想几何实体模型; S 20 ：利用零件表面的几何误差数据建立零件表面的几何误差模型; S 30 ：用几何误差模型替换理想几何实体模型中的对应曲面，得到具有几何误差的三维实体模型。本发明实施例提供的三维立体模型的构建方法，将零件的几何误差与CAD模型相结合，从而得到具有几何误差的三维立体模型，描述了规则的外观特征。宏观上反映部件的真实表面，并且还微观地反映部件表面的不规则几何误差形状特征。 展开▼

著录项

公开/公告号US10832475B2

专利类型

公开/公告日2020-11-10

原文格式PDF

申请/专利权人 BEIJING INSTITUTE OF TECHNOLOGY;
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申请/专利号US201716338396

发明设计人 ZHIJING ZHANG;XIN JIN;ZHONGQING ZHANG;XIN YE;QIUSHUANG ZHANG;
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申请日2017-08-18

分类号G06T17/30;G06T17/10;G06F30/23;

国家 US

入库时间 2022-08-21 11:27:31

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