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FARO®知識庫

在 Faro测量臂上使用加长杆组件、点测头或自定义测头后的精度变化



只有在使用标准球形测头时才能保证规定的测量臂精度。

使用加长杆、点式或定制测头造成的精度下降很难量化,因为影响测量的外部因素数不胜数;测头偏差是最常见的现象,因为操作员在接触式测定零部件时难以控制所施加的压力。

经验表明,在某些情况下,精度下降的幅度是所用设备的是2至4倍。在使用加长或定制测头时,校准程序很可能出现"不合格"结果。推荐您至少校准三次测头,在校准日志中检查结果的一致性(在 2 Sigma 列中)。
此后用户可确定产生的误差是否在允许范围内。

关键词

延长件,测头延长件,定制,精度