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Digital Precision Instrument Development Trend
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Digital technology is the measurement of digital manufacturing technology in one of the key technologies. The development of sub-micron and nano-level high-precision measuring instruments, improve the ability to adapt to the environment, enhance the robustness, so that the measurement precision measuring equipment from the room into the on-site production, integration, integration of machine tools and manufacturing systems, the formation of advanced digital closed-loop manufacturing system , Is the precision measurement technology trends.
(1) the number of precision measuring instruments of the new trends - into the production of on-site, non-contact scanning measurement much attention
CMM precision measuring instruments as a basic-leading products, machinery manufacturing industry continues to receive attention and development. In order to coordinate measuring machine as represented by precision measuring instruments into the shop, on-site production services is an important trend. For example, LEITZ's precision coordinate measuring machine shop in the large-scale used to measure the gear is an example. Digital measurement system will be integrated into numerical control machine tools is another trend. For example, Qinchuan Machine Tool Plant of forming CNC gear grinder integrated in the machine gear measurement system. And optical / non-contact laser scanning technology, the realization of multi-function, multi-sensor integration and fusion, so that the coordinate measuring technology richer, more suitable for on-site production.
① car cover large parts of the non-contact scanning measurement precision and rapid
Equipped with optical / laser-scanning non-contact level sensor arm CMM to achieve a large-scale automobile panels rapid detection precision. Sweden, Germany ZEISS and HEXAGON groups such as the world's leading coordinate measuring machine factory in the field of development. Sweden HEXAGON Group DEA's PRIMA
Series C1 level measuring machine arm in CW43L-seat test continuous servo joints can be equipped with trigger-type probe, scanning probe in a row, optical or laser scanning probe a variety of first-class measurement in order to adapt to different environment and measurement tasks. ZEISS Germany's PROR Premium CMM EagleEye equipped with navigation systems and control measure Block, in a large car body panels in particular the identity of the car assembly quality control process, the workpiece geometry, and the edge of the surface characteristics of the Point gap and put together such as the implementation of high-speed precision measurement.
② with scanning laser measurement system for portable flexible articulated arm measuring machine features enhanced
CIMCORE the United States launched the company is equipped with advanced laser scanning system for measuring articulated arm CMM. The use of carbon fiber materials, equipment manufacturing, light weight rigid, which also has the INFINITE series of wireless communications features. Instruments used PC-DMIS software, strong measurement function. With a tube measuring system annex, but also for the realization of the length of the tube, bending, rebound and other data to measure and compare. Range of 1.2m for the instrument measuring point to repeat accuracy up to 0.010mm, the accuracy of space up to 0.015mm. For reverse engineering, measurement is not only fast but also the realization of the process of measuring real-time data display and fill gaps and seamless splicing. It can be used to coordinate measuring machines, three-dimensional modeling, mapping products, reverse engineering, surveying the scene, as well as mold design and manufacturing, and so involved in the design, manufacture, testing process, as well as on-line detection products, such as testing the final survey. FARO Technologies, Inc. of the United States FaroARM series of portable coordinate measuring arm with similar technical specifications and performance. China's Xi'an Edward Measuring Machine Company in 2005 is also a public display of self-developed joints Flexible arm of the measuring machine prototype.
③ shaft parts non-contact optical measuring instruments developed rapidly
The automobile manufacturing to a much greater need to promote the shaft parts precision non-contact measurement technology. TESA Switzerland's TESA
Scan Series Shaft quick scan using 2 meter linear array CCD components, and parts of the axial rotation of the workpiece mobile projection for scanning, can be realized on the location of the shaft parts of error and the precise shape of the error detection, the cross-section shape Profile and assess the comparative statistics, as well as the quality of analysis, but also parts of the local (such as the transition curve, small trench, etc.) to enlarge surveyors. As the column can be tilted workpiece, which can screw, worm, the screw-wide parameters, such as precision measurement accuracy, this is the equipment PLUS a major feature of the series. Instruments in diameter direction for the resolution of 0.0003mm, precision 2 + (0.01D)? M, repeatability 0.001mm. Germany's WMM Series SCHNEIDER shaft and measuring tool is simple, high-speed measurement, in particular, apply to the workshop checkpoint. Instruments used high-resolution camera of the Matrix, you can quickly access data. Digital equipment for the resolution of 0.0001mm, the length of measurement uncertainty for the E2 = (2.0 + L/200)? M (L unit mm).
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