Chevalier’s FBL-360L slant-bed lathe is said to provide a flexible, accurate solution for mixed-volume, short-run or dedicated high-volume applications. Capable of machining bars ranging to 4.5" in diameter, the lathe features a 45-degree slant bed, a rigid boxway structure and a programmable tailstock. The lathe offers a 15" chuck, 30.3" maximum swing, 22.4" maximum turning diameter and 80" maximum turning length.
A ribbed Meehanite cast iron mono-block casting features hardened and ground hand-scraped slideways to resist deflection and vibration. The lathe offers speeds ranging to 2,500 rpm, X- and Z-axis travels ranging from 12.6" to 78", and rapid traverse rates ranging to 708 ipm. Positioning accuracy is ±0.0002" in the X and Z axes, while repeatability is ±0.0001". It is powered by a 35-hp, AC digital spindle motor with a two-speed gearbox and 12" hydraulic chuck producing 735 foot-pounds of torque at lower rpm. The 10-station servo-indexing turret provides 0.5 sec. tool indexing time. The OD shank is 11/4", and the boring bar holds up to 2.5". A large curved coupling holds the carousel, which is clamped by hydraulic pressure. The lathe is equipped with a 12" three-jaw hydraulic chuck, oil skimmer, chip conveyor and Renishaw tool setter.
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This machine can run for a long time without any operator intervention, and users can machine finished parts from slug stock or cast blanks while achieving the same high productivity as if they were machining from barstock, the company says.