In the field of precision measurement, the traceability of thinking for quality management and the importance of assessing measurement uncertainty have gained wide consensus in manufacturing. As a general measurement assessment, an environment is being developed to investigate precision traceability and measurement uncertainty. The assessment of measurement reliability, consisting of precision traceability and uncertainty, forms a modern quality management system represented by the ISO (International Organization for Standardization) standard system.
The management of size can be said to be the basic element of manufacturing. In the future, as the development prospects of overseas production are promising, high-precision parts produced in different regions are required to be interchangeable. In the process of globalization, not only large enterprises, but even small and medium-sized enterprises will pay more and more attention to the production of products based on international common measurement methods. Re-recognizing the importance of on-line measurement of production lines and exploring thorough quality management methods is a powerful weapon to surpass the wave of globalization.
Demand for online testing
In order to meet the needs of users who are constantly pursuing high-precision, low-cost production, it is required that the measuring instrument can not only perform dimensional measurement (comparative measurement) for checking the processing quality, but also realize on-line inspection (or the measuring instrument is installed beside the production line to facilitate the workpiece to be tested) Handling and handling). In the shape detection of auto parts, more and more methods are used to detect the workpiece in real time and feedback the test results back to the processing flow in time. The online inspection shows a strong development trend.
In the production site to test, you need to meet the following requirements of the user: 1 improve production efficiency; 2 improve the reliability of measurement results; 3 adapt to the harsh environment of the production site; 4 meet the installation space of the measuring device. These requirements are primarily based on the needs of automated, unmanned measurements. Corresponding to the needs of users to implement quality management and build production lines, each measurement equipment manufacturer has implemented a solution for detecting problems for specific users as an important development strategy. The key to developing an online inspection solution is whether the measurement technology used to monitor the process can be properly matched to the processing equipment. The use of closed-loop monitoring of tools and tool change systems will improve the quality and efficiency of machining, thus significantly reducing production costs.
The purpose of on-line inspection is to maintain and improve the precision and productivity of processing and assembly. At present, the company attaches great importance to converting the original production line into an efficient production line that can improve the performance and reliability of the processing and assembly system and stably produce high-quality products. Therefore, it is very necessary to support the online inspection technology and measurement equipment.
Demand for automated measurements
Marposs first proposed and applied contact and non-contact measurement technologies to develop online and offline measuring machines. The company combines a number of standardized measuring components and components to meet the needs of the user to accommodate the automatic measurement and control of workpiece dimensions by various machine tools such as grinding machines. As a package solution, Marposs has also developed measuring systems for dimensional and shape measurement, acoustic emission monitoring, and vibration and grinding for various grinding machines. The company is said to have received orders for many system solutions and large orders, showing strong market demand.
In recent years, the measurement accuracy requirements for shape-accuracy measuring instruments have become stricter, and the demand for measurement of micro-holes and fine parts has continued to increase, and new products satisfying such demands are being continuously developed. For example, Taylor Hobson's ultra-precision, non-contact, three-dimensional surface shape measuring machine, Talisurf, is based on the company's patented special algorithm that uses interference fringes to determine resonance peak and phase positions, enabling high measurement speeds and high resolutions (0.1 angstroms). ) Obtain high-precision information of the sample to be tested. The resolution and measurement accuracy of the instrument can be calibrated with traceability calibration gauges.
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