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Feeler FT-Series high performance CNC turning centers feature an all-boxway design to significantly increase cutting capacity. The series includes four models. For exceptional rigidity when performing heavy duty cutting, each of the models has a single-piece structure with boxways, a 45-degree slant bed and robust base, the company says.
Additional new design features include a more rigid Z axis and tailstock rail for maximum support and accurate tracking. The FT-Series includes a new spindle headstock with a Feeler sleeve-type spindle and the latest high-rigidity servo turret, including clamping with curvic coupling for stable and swift tool changes. For excellent multitasking capabilities, 7.5-hp milling motor with 51.6 foot-pounds of torque is provided.
Customers can choose from four different gearboxes and two spindle types. Spindles range from 2,500 rpm to 4,500 rpm and offer chuck diameter sizes from 8" (210 mm) up to 15" (381 mm). Bar capacity ranges from 2.6" (65 mm) to 4.5" (115 mm). Maximum turning diameter is offered from 13.0" (330 mm) to 25.0" (620 mm) and maximum turning length from 21" (530 mm) to 60.2" (1,530 mm). Machine weight ranges from 9,925 lbs (4,500 kg) to 21,500 lbs (9,750 kg), depending on the model.
A BMT-65 tool system features a solid interface for toolholding. Servo programmable tailstock is standard. For maximum machine component longevity, a fully enclosed CE cabinet prevents dust and fumes from entering.
Robotic Cell Cuts Cycle Time, Improves Part Quality
Sew-Eurodrive Inc. worked with Okuma America’s authorized systems dealer, Gosiger Automation, to design an automated cell that includes an automatic, magazine bar feeder that loads 6-ft. lengths of barstock into the machine. The shop also switched to an Okuma twin spindle, twin turret turning center so all of the machining operations are completed in one setup, thus eliminating additional fixtures and operator intervention. The resultant system reduces cycle times and requires much less operator involvement. As a result, production time per part was more than cut in half – from about 5 minutes to 2 minutes, 20 seconds.