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The Mycenter-HX1000i is designed for manufacturers and job shops that need to produce close tolerance parts from tough materials. Its induction-hardened, solid boxway design, combined with the rigidity of high-grade Meehanite casting, offers the stiffness needed for high precision, hard milling of larger parts. Guideways are equipped with high-precision twin ballscrews and twin servomotors that provide the capability of running speeds of 1,417 ipm. With a net weight of 126,104 lbs and linear scale feedback on all axes as a standard feature, the center has full stroke accuracies of ±0.000079" and repeatability of ±0.000039". A 40-hp A/C spindle motor with a four-speed geared head enables the machining center to reach full power at 235 rpm with output maximum torque of 897.5 foot-pounds. An 8,000-rpm spindle (12,000-rpm option) with a dual-contact design offers the benefits of great machining rigidity and surface finish, the company says, along with high cutting accuracy and extended cutting tool life. The machining center uses a positive 180-degree rotating pallet change system that is said to provide optimum operator convenience in pallet accessibility and the loading/unloading of workpieces. Table size is 39.37" × 39.37" allowing for accommodation of large parts with the 1-degree indexer positively positioned to within ±arcsecond by a powerfully rigid curvic coupling for optimum accuracy and stability. A full fourth axis is an available option. With a standard 150-tool ATC (200 optional), the center maximizes tool handling efficiency using the company’s fixed pot ATC system. In this system, each tool is said to always return to the same tool pot; the next tool to be used is kept ready in a “stand-by” tool pot, minimizing tool-change time. Tool-to-tool time is 3 seconds, while chip-to-chip time is 7 seconds.
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