Technology of using laser in the heat-treatment of block gauge 面向块的相联处理机块规激光热处理技术
In general, the gauge block measurement is certified by comparison, but for the non-standard long gauge block, it may be certified with the machine. 量块检定一般采用比较法测量,对于非标准长量块的测量现在可以利用万能激光测长机进行测量。
The slope of 10 ° angle block gauge is profiled with resolution of 20 nanometer with the differential confocal microscopic system. 用差动共焦光学系统作为瞄准传感器、用电容传感器进行位移监测,对倾角为10°的角规的斜面进行测量,得到分辨率小于20nm的表面形貌图。
With using absolute optical interferometer for measuring length of block gauge, it is necessary to solve the problem of phase jump for reflecting of light on its surface. 在用绝对光波干涉法测量量块长度时,必须解决光在量块表面反射时的位相跃变问题。
This paper introduces the principle of laser interferometer for gauge block measurement with double wavelengths, describes the optical and mechanical design, as well as the technology of the interference image processing and automatic identify of central lengths of gauge blocks. 本文介绍了双波长激光量块干涉仪的工作原理,详细描述了仪器的光学、机械设计以及干涉图象处理和量块中心长度自动判读技术。
But tide gague data only offer the relative change between the sea level and the block where the tide gauge station lies. 但验潮站资料给出的仅是海平面对于验潮站所在地块的相对变化。
As a length standard material, gauge block transfers the length unit to almost every step in the manufacture and plays an important role in the product quality assurance program. The measurement and verification of the high grade gauge block is mainly carried out by interferometry. 量块是重要的长度实物标准,它将长度单位传递到工业生产的各个环节,在产品质量保证体系中发挥着重大作用,高等级量块的测量与检定多借助于干涉法进行。
Using the data acquisition system combined optical measuring device, the thickness of the standard block gauge and the oil film was measured, and the experimental results were analyzed. 利用该数据采集系统结合光学测量装置,对标准块规和石油油膜进行了数据采集实验,并对实验结果进行了分析。
Measurement repeatability and uncertainty of central length of gauge block are consistent with the requirement of second grade gauge block, which can realize accurate and rapid test process and greatly improve the test efficiency. 量块工作长度度的重复性和测量不确定度满足二等量块的要求,从而达到方便、准确的量块检定要求,提高测量过程效率。
After debugging the system, the feeler gauge and block gauge thickness is measured, and the result shows that the system could achieve high degree of accuracy. 研制了水面油膜厚度测量实验系统,进行了系统调试和对块规厚度测量,实验结果表明系统可以达到较高精度。
Establishing the mathematical model of the system and doing measuring uncertainty analysis to show that it meets the requirement of calibrating third grade gauge block by using standard second grade gauge block. 建立本测量系统的数学模型,并对该系统的测量不确定度进行分析,确认该系统符合国家规定的二等量块检定三等量块的要求。
In the measurement process of the gauge block, higher than the second grade and K level gauge length must be measured with the interference absolute method. 量块检测过程中,高于二等和K级的量块工作长度就必须借助绝对测量。利用条纹法、二维FFT法和莫尔条纹法可以准确得到干涉条纹小数部分。