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在生产线上对特殊轮廓部件进行高精密测量-opto

时间:2017-02-27      来源:苏州迪森特      关键词:苏州迪森特      浏览量:2453

       

在一些生产线研究机构中,已经开发出了全自动光学检测系统,采用德国米铱公司提供的点激光位移传感器,用于检测特殊轮廓工件的几何形状。该自动检测系统被集成到生产线上,用于检测起重导轨截面的形状。检测系统要求在两个轴的纬度上,直线度测量偏差在±0.2mm以内。截面长度和导轨厚度的测量偏差小于 ±0.02 mm。从此测量系统可以得到两侧运行表面的平行度。光学传感器被安装在C型臂上。在测量过程中,还需要检测精密导轨的翘曲偏差。测量结果可以以图像形式被直接显示到测量系统的计算机界面上。导轨超出轮廓允许公差的部分会被标成特殊颜色。在测量过程中,测量头还可以实时与标准进行对比,从而完成自动校准,以减少误差。

选择此测量系统的原因:
- 非接触,无磨损
- 对闪亮发光表面仍有精确测量精度
- 小测量光斑,大测量距离
- 便于安装和调试


High precision measurement of special profile sections in the production line

In the plant research department a fully automatic system for optical geometry measurement has been developed, constructed and integrated into a production line for lift profile rail sections. The system acquires the deviation of ± 0.2 mm from straightness in both axes, the length of the section and the thickness of the rail web to ± 0.02 mm in two tracks.From this a measure of the parallelism of the running surfaces is derived. The optical sensors are mounted on a position slide in a C-shaped measurement yoke. During the measurement movement, the measurement deflection along the precision rail is acquired. The measurement result is archived and displayed in graphical form on the monitor of the system computer. Rails outside of the profile tolerance specification are identified with a color code. An automatic calibration of the measuring heads to a comparison standard is carried out continuously to reduce measurement errors.


Reasons for the system selection
- Non-contacting and therefore wear-free.
- High measuring accuracy even on shiny surfaces.
- Small measuring spot diameter, large base distance.
- Rugged system version, easy fitting and operation.