Thanks to a flexible tool slide platform that greatly reduces changeover times, the latest version of Index Corp.’s (Noblesville, IN) 6-spindle automatic lathe brings the benefits of multispindle technology to a broader range of applications when machining 1.25-inch (32 mm) bar stock.
Equipped with 12 cross slides, with two v-shaped cross slides equipped with X and Z axes located at each spindle position, the MS32-6 easily handles a wide variety of complex parts. C and Y axes, together with live tools, can be implemented to allow for a broad range of machining processes including off-center drilling, threading, contouring, hobbing, and polygonal turning. All slides can also be configured for grooving or drilling.
Each cross slide incorporates a patented W-serration locating system that provides micron-accurate toolholder alignment. Coupled with the company’s quick-clamping device, tools can be set up off the machine and then quickly installed, reducing tool change times by 50%. The same system on the machine’s live units for drilling, milling, and polygonal turning reduces setup times by up to 92%.
Users can apply hydraulically controlled twin turrets, which alternate between tools in less than half a second, with rigid tools in up to five spindle positions. This enables the efficient use of separate tools for roughing and finishing in the same position. The turrets can also be used to reduce tool changes by incorporating duplicate tools, an especially attractive option when working with difficult-to-machine materials.
The fluid-cooled spindle drum features six spindles with speeds that are independently controlled to a maximum of 8,000 rpm. This allows optimum cutting data to be applied to each individual cutting process, resulting in superior metal removal rates, surface quality, and tool life. Additionally, the machine can be equipped with one or two synchronous spindles, each of which can apply up to six tools for machining the rear end of parts.
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