Video: Linear Motor Machine Milling Small Pins
Watch a vertical machining center with linear motors on the X and Y axes machine 25-mm-long pins with 0.5-mm diameters.
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At trade shows, some machine tool builders have displayed demo parts like the one above with long, small-diameter pins. created showing its FP55LX VMC linear motor machine milling 25-mm-long pins that have 0.5-mm diameters. Linear motor machines are good candidates for such work because they have no ballscrews (hence, no backlash) and also provide smooth movement with minimal vibration. For this demo, a 10-mm-diameter end mill runs at 4,000 rpm and a feed rate of 2,000 mm/min.
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