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Die/mold VMCs
http://www.cnccncmachines.com/articles/3658/1/Diemold-VMCs/Diemold-VMCs.html
By Super Admin
Published on 01/30/2008
 
Well-suited for die/mold applications, NVD4000 DCG VCMs incorporate five ballscrews — two on the Y, two on the Z, and one on the X — that reportedly reduce vibration without sacrificing speed for accuracy. 
Die/mold VMCs




Well-suited for die/mold applications, NVD4000 DCG VCMs incorporate

five ballscrews — two on the Y, two on the Z, and one on the X — that reportedly reduce vibration without sacrificing speed for accuracy. Input increments of 0.1 µ increase machine resolution, and all three axes have direct-scale feedback for accuracy in constant-running applications. There is dynamic thermal displacement control for the machine's 40-taper spindles, which are powered by 25-hp motors delivering 12,000 rpm.






http://www.americanmachinist.com/304/Issue/Article/False/9551/Issue