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New Haas big bore lathes added to the range
New Haas big bore lathes added to the range

New Haas big bore lathes added to the range

Added to MTDCNC by HAAS Automation on 18 March 2014

The machine’s A2-6 spindle has a 76mm bar capacity, and is equipped with a 10 inch hydraulic chuck. The spindle is powered by a 30 hp vector drive system, and turns to 3400 rpm. A 12-station bolt-on style turret is standard.

The ST-25Y has the same footprint and spindle specifications as the ST-25, with a maximum capacity of 381 x 533 mm. The machine is equipped with a Y axis that provides ±50.8 mm of travel, and includes high-torque live tooling and a servo-driven C axis. A 12-station hybrid VDI/BOT turret is standard.

The Haas ST-35 has a maximum capacity of 533 x 660 mm, with a 806 mm swing over the front apron. The machine’s A2-8 spindle has a 102 mm bar capacity, and is equipped with a 12” hydraulic chuck. The spindle is powered by a 40 hp vector drive system through a 2-speed gearbox, and turns to 2400 rpm. A 12-station bolt-on style turret is standard.
The ST-35Y has the same footprint and spindle specifications as the ST-35, with a maximum capacity of 457 x 533 mm. The machine is equipped with a Y axis that provides ±50.8 mm of travel, and includes high-torque live tooling and a servo-driven C axis. A 12-station hybrid VDI/BOT turret is standard.

The ST-45 has a maximum capacity of 648 x 1118 mm, with 876 mm maximum swing over the front apron. The machine’s A2-11 spindle has a 178 mm bore, and accepts an optional 18” hydraulic chuck (chuck and hydraulic union not included). The spindle is powered by a 40 hp vector drive system through a 2-speed gearbox, and turns to 1400 rpm. A 12-station bolt-on style turret is standard.

The ST-45L is a long-bed version of the ST-45, with a maximum capacity of 648 x 2032 mm for nearly double the turning length. The ST-45L comes standard with a servo-driven tailstock.
Standard equipment on all Haas Big-Bore turning centres includes rigid tapping, a 15” colour LCD monitor, and USB connectivity. Available options include a belt-type chip conveyor, hydraulic tailstock, automatic tool probe, an automatic parts catcher, high-pressure coolant systems, and much more.

Haas Automation’s Big-Bore turning centers are extremely rigid, highly accurate, and very thermally stable. All castings are optimized using finite element analysis (FEA) to produce the most rigid designs, while improving chip and coolant flow, and simplifying maintenance and service. Each big-bore spindle head features a compact, symmetrical design for thermal stability and rigidity, and a 45-degree wedge design greatly increases the tool-mounting envelope and improves chip flow.

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