XV-430-10TVB-1-10

XV-430-10TVB-1-10

XV-430-10TVB-1-10

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福建光沃自动化设备有限公司       
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那么这些问题如何解决呢？我们先来了解一下振镜扫描的工作原理振：振镜式扫描系统采用高速往复伺服电动机带动X与Y两片微小反射镜片协调偏转反射激光束来达到光斑在整个平面上扫描的目的。其不同于一般的机械式扫描系统：采用丝杆的传动带动扫描头在二维平面上来回运动完成扫描，由于是机械式的，所以扫描系统的惯性大，扫描响应速度慢。

振镜扫描时面临的典型问题：

 

枕型失真

当扫描镜在工作面上扫描一个矩形时，它得到的实际轨迹是并非一个标准矩形，而是如图所示枕形

双振镜扫描会引起单轴的枕型误差，误差是由映射到平面时不是一一对应的线性关系，是一种原理性误差。

 

解决方案

由于产生的畸变在X和Y两个方向上不是一致的，所以不能采用常规透镜的办法来矫正的，可以通过畸变公式软件的方法来修正合理的描述理想图和畸变图之间的地址映射关系的平面坐标变换方法能很好地解决这个问题。

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