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The company introduces the user-centric redesign of its TM series of slant-bed lathes. New features include faster spindle acceleration and deceleration rates; improved chip management; an air gun; a coolant gun; and ergonomic design features such as a front-access chip conveyor, the company says. The company offers three updated models: the TM6, the TM8 and the TM10. The TM6 has X- and Z-axis travels of 7" ×14". Maximum cutting diameter is 12.4", and maximum cutting length is 13.4". With a bar capacity of 1.77", the machine features a 17.5-hp peak spindle motor. It has a 6" three-jaw chuck and a 9.4" swing over cross-slide. The TM8 delivers X- and Z-axis travels of 8" × 20". The maximum cutting diameter is 14", and the maximum cutting length is 19". Bar capacity is 2". This model has a 20-hp peak spindle motor; an 8" three-jaw chuck; and a 13.2" swing over cross-slide. The TM10 features X- and Z-axis travels of 9.8" × 29.5". It has a maximum cutting diameter of 17.7" and a maximum cutting length of 28.3". Bar capacity is 3". This model has a 25-hp peak spindle motor; a 10" three-jaw chuck and a 15.8" swing over cross-slide. All models possess X- and Z-axis rapid traverse rates of 750 and 945 ipm, respectively. They offer repeatability of ±0.0001" and positioning accuracy of ±0.0002". The turret index time for all models is 0.5 second.
Editor PickRobotic 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.