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PRODUCTS Compact CNC Multi-Spindle Deploys Form Tool Slides INDEX Corp.'s six-spindle CNC automatic production lathe, the MS16C, is a compact machine built on the INDEX multi-spindle modular system. It is aimed at the cam-driven multi-spindle market and deploys form tool slides as well as full CNC tool slides, plus a backworking spindle to provide drop times to less than 3 seconds. It's a stable platform for high-precision work from bar to 16 mm, yet occupies very little foorspace. Each spindle ofers independent, infnitely variable speeds up to 10,000 rpm. With smart NC drives, each driven tool can be synchronized with the C axis of the spindles to permit milling and polygon turning. Liquid spindle cooling is a signifcant feature of the machine. It results in a high power density in the spindle carrier, permitting high loads and high speeds without excessive heat generation. It also contributes to excellent thermal stability. In addition, energy recovered from the heated cooling fuid can be proftably used in the plant. The X-axis slides provide high dynamic stifness with steel-onsteel, matched box-type guideways, resulting in high precision machining. Z-axis slides are quill-type with hydrostatic bushings. Other features of the machine include a spindle-integrated The fve form tool slides work in the X axis and feature INDEX's bar feeding unit—further support of short cycle times—and W-grooves, which make for easy adjustment of the tools. integrated chip conveyor. Backworking is accomplished with a Z axis synchronized spindle. :: INDEX Corporation Up to three backworking tools may be used plus a cut-of tool, 317-770-6300 providing even more machining in a single rapid cycle. indextraub.com Concentric Clamping for Ultimate Tool Performance Schunk's Tendo Platinum toolholder ofers durablity, user friendli- :: SCHUNK Inc. ness and precision for almost any milling, drilling and reaming 800-772-4865 application. The toolholder ofers improved brazing technology us.schunk.com by using a unique brazing and hardening process all in the same cycle. Tendo Platinum is manufactured from highest grade tool steel and throughhardened to ensure long life, the company says. The toolholder is balanced to G2.5 at 25,000 rpm. With excellent vibration dampening and precise runout accuracy of less than 0.003 mm (0.0001") at 2.5 × clamping diameter, the toolholder protects the machine spindle and the cutting tool from wear and damage. SCHUNK ofers three lengths with two precision ground taper sizes: CAT40—2.5", 4", 6"/CAT50 – 81 mm, 4", 6". The company also ofers direct clamping in both metric and inch sizes. 58 PRODUCTION MACHINING :: AUGUST 2013