Absolutmesssystem
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By means of the absolute measuring system, a CNC controlled machine can determine it's position. Machines with absolute measuring system must have determined marks as well as a sensor at the moving axes which reports the machine's real postion on the base of the determined marks. At the beginning there were only comparitively expensive and complicated sytems. For that reason absolute measuring systems were rarely to be found on wood processing machines. In the 1990s, a new economical system on beamsaws was used for the first time. A magnetic strip, which is fixed on the established machine along the linear axes, carries position parametres. There is a special reading device on the moving machine part, which analizes the data. Since the start of this technology, absolute measuring systems are increasingly used on all CNC controlled machines in the wood processing field. Advantages:
Desadvantages:
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