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Shanghai Automation Instrumentation Co., Ltd.
Address:No.191 Guangzhong Road (West) Shanghai
Tel:86-21-59189606
Fax:86-21-60917975
Website:www.sc-saic.com/english
E-mail: tom.saic@gmail.com

Performance characteristics of straightness measuring instrument
Release time:2019-12-19   Clicks:659
The reason why the straightness measuring instrument is considered to realize the straightness detection of the bar is to cater to the improvement of factory automation production, and also to improve the production efficiency and product quality. It provides high-precision online detection and data analysis to provide accurate The data.
As automation becomes a transformative form of the factory, more and more automated instruments have been developed to cope with automated high-speed production. The straightness measuring instrument can automatically detect the straightness and outer diameter dimensions online. It helps staff to know the production status in real time. In order to achieve the purpose of timely adjusting the rolling mill to achieve high-quality production.
When measuring the straightness of the outer contours of lines, rods, and tubes, three sets of equipment with the above principles are arranged at the same time. The three devices measure the position data of the measured workpiece at the same time. The left and right collected position lines are connected to calculate the intermediate device. The theoretical position of the linearity at 0 is compared with the position data obtained by the middle one, and the difference is the linear deviation of the measured workpiece at the current position.
性能 Performance characteristics of straightness measuring instrument
1.High measurement accuracy
The straightness measuring instrument uses a high-frequency CCD chip with high accuracy level, and the pixel resolution is 4.7μm. Combined with an optical system with accurate object-to-image ratio, the straightness measuring instrument measures accurately, and the dynamic measurement error is not greater than 0.03 mm.
2, high measurement frequency
The digital acquisition circuit used by the straightness measuring instrument makes full use of the high-frequency scanning characteristics of the linear array CCD chip. The measuring frequency can reach 500Hz. The measuring frequency is an important indicator of the quality of the caliper. When measuring high-speed rolling products, the higher the measurement frequency, the smaller the distance between measurement points, and the higher the probability of detecting product defects. The straightness measuring instrument can accurately measure the straightness of each part. It can be tested without interruption.
3, no jitter error
自动 In automatic detection, the measurement error caused by bar jitter is a problem that plagues the technicians in the industry. Straightness measuring instrument multiple synchronization technology, electronic shutter and other technologies to eliminate measurement errors caused by the measured object jitter.
4. Out of tolerance alarm
The straightness measuring instrument can set positive and negative tolerances. When the measured data exceeds the set value, the alarm system will be triggered to give an audible and visual alarm.
Under the mode of factory automation production, the traditional manual measurement method is no longer suitable for high-speed automated production mode. The straightness measuring instrument's automatic measurement method brings more accurate detection data, faster data measurement, and more convenient detection methods. It will be an important choice for various wire rod pipes that need to detect straightness in the future.
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