Based on an HMC platform for automotive OEMs, Grob's G-series universal machining centers, which includes the G-350 and G-550, is designed for manufacturers in the medical, aerospace, die/mold and other industries. All models use the company's rotary table with 225-degree rotation in the A axis and continuous 360-degree rotation in the B axis. Machine tables can also completely invert for upside-down machining while chips fall freely away from the workpiece.
As the smallest machine in the series, the G-350 is said to require less floor space than other machines with similarly sized work zones. The spindle design accommodates tools as long as 365 mm (14.3") without interference with workpieces as large as 600 mm (23.6") in diameter and 500 mm (19.7") long.
The mid-sized G-550T features a turning option for workpieces as large as 900 mm (35.4") in diameter, along with a high-speed table that rotates at 800 rpm while compensating for uneven loads. The machine can use tools as long as 500 mm (19.6") with workpieces as tall as 730 mm (28.7").
The series also includes the larger G-750 with an XYZ work area of 1,000 × 1,100 × 1,170 mm (39.4" × 43.3" × 46.1").
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