Big options

For manufacturing companies needing more bar capacity without moving up to a larger footprint lathe, Haas Automation now offers a big bore option for its ST-30 turning centre.

The new ST-30 Big Bore features an A2-8 spindle nose and comes equipped with a 12 inch hydraulic three jaw chuck. It has a 117mm spindle bore, with a bar capacity of 4 inches – an increase of 1 inch over the standard ST-30. The machine's 40hp vector drive spindle spins to 2,400rpm, and provides 1,400 ft/lb of cutting torque through a two speed gearbox. On the fly wye delta switching yields a wide power band for constant surface feed cuts.

The ST-30 Big Bore has a maximum cutting capacity of 533mm by 660mm, with maximum swings of 806mm over the front apron and 527mm over the cross slide. A 12 station bolt-on style tool turret is standard, with options for a 12 station VDI turret or 12 station hybrid VDI/BOT turret.

Standard equipment on the ST-30 Big Bore includes rigid tapping, a 15 inch colour LCD monitor and USB connectivity. Other available options include a belt-type chip conveyor, hydraulic tailstock, automatic tool probe, live tooling with C-axis, an automatic parts catcher and a high pressure coolant system.

Haas Automation's ST-30 Big Bore turning centre is designed to be rigid, accurate and thermally stable. All castings were optimised using finite element analysis (FEA) to produce the most rigid designs, while improving chip and coolant flow and simplifying maintenance and service. The big bore spindle head features a compact, symmetrical design for thermal stability and rigidity, and the 45° wedge design increases the tool mounting envelope and improves chip flow.

Haas UK
www.haas.co.uk
 

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