三坐标测量仪是什么 三坐标测量仪是怎么组成

Release time：2023-10-26
author：AMEYA360
source：网络
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　　三坐标即三坐标测量机(Coordinate Measuring Machine, CMM) ，它是指在一个六面体的空间范围内，能够表现几何形状、长度及圆周分度等测量能力的仪器，又称为三坐标测量仪或三坐标量床。

三坐标测量仪是什么 三坐标测量仪是怎么组成

　　一、三坐标测量仪组成

　　1、主机机械系统(X、Y、Z三轴或其它);

　　2、测头系统;

　　3、电气控制硬件系统;

　　4、数据处理软件系统(测量软件);

　　5、正向工程:产品设计--制造--检验(三坐标测量机)

　　6、逆向工程:早期:美工设计--手工模型(1:1)--3轴靠模铣床当今:工件(模型)--维测量(三坐标测量机)--设计--制造

　　7、逆向工程定义:将实物转变为CAD模型相关的数字化技术,几何模型重建技术和产品制造技术的总称。广义逆向工程:包括几何逆向,工艺逆向,材料逆向,管理逆向等诸多方面的系统工程。

　　8、逆向工程设备:

　　1)测量机:获得产品三维数字化数据(点云/特征);

　　2)曲面/实体反求软件:对测量数据进行处理,实现曲面重构,甚至实体重构;

　　3)CAD/CAE/CAM软件。

　　4)数控机床;

　　9、逆向工程中的技术难点:

　　1)获得产品的数字化点云(测量扫描系统);

　　2)数据构建成曲面及边界,甚至是实体(逆向工程软件);

　　3)与CAD/CAE/CAM系统的集成。


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