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YMT’s TTL-20 high-speed 6" and 8" CNC turning center features a 30-degree true slant bed for increased stability and a lower center of gravity for more efficient chip disposal. The compact turning center is constructed with a one-piece heavily ribbed Meehanite casting and heavy headstock to withstand high-production cutting. Its roller guideways, combined with the 20-hp spindle motor, are said to offer higher cutting capacity and chip removal rates than linear ball guideways.
The high-speed, 10-station servo-driven turret is supported by a reinforced saddle and provides an indexing time of 0.2 sec. The turret can accommodate 1" toolholders and 1.5" boring bar holders. The series also offers 12-station live tools. The axial motors are direct-coupled, and all hardened and ground ballscrews are pre-tensioned to resist thermal deformation and provide higher-accuracy turning. A heavy-duty hydraulic tailstock offers a 2.75" programmable quill diameter. It also is equipped with an “easy position” feature that attaches the tailstock to the turret rather than positioning it by hand.
The turning center also is equipped with a chip conveyor, barfeeder interface, heat exchanger for the electrical cabinet, an automatic power-off function and an automatic lubrication system.
Editor PickThe 2016 Capital Spending Survey
The machine tool market bottomed in the summer of 2016, but will continue to rebound in 2017 as shops invest in technology for unattended operation.