Mazak INTEGREX i-250S NEO

On the Mazak INTEGREX i-250S NEO the tailstock end of the bed is taken by a second spindle, which is what the S stands for on Mazak's model list. Both spindles carry an 8 in chuck and reach 5,000 rpm, the turning envelope is Ø26 in (660 mm) by 40 in (1,016 mm), and a single 12,000 rpm milling spindle with a 36-tool magazine does the cutting.

A typical cycle on this layout starts at the main spindle, where the 22 kW (30 HP) rating at 40% ED is available for the first roughing cuts. The part then moves across to the second spindle, rated 18.5 kW (25 HP) at 40% ED, for the remaining side. Continuous power is 15 kW (20 HP) at either end. The B-axis range of -30° to +210° spans more than a half turn, so one tool in the milling spindle can be pointed at either chuck.

Thirty-six pockets have to cover both sides of the part. That is the number to check against your tool list first, along with the limits per tool: Ø4 in (102 mm) with neighbouring pockets occupied, Ø5 in (127 mm) with them empty, 16 in (406 mm) long and 26 lb (12 kg). The spindle taper is listed as HSK-T63, HSK-A63. Mazak describes a front tool magazine for the series, where several tools can be exchanged from the front of the machine during high-mix work.

The second spindle brings the weight to 29,652 lb (13,450 kg), compared with 28,990 lb (13,150 kg) for the INTEGREX i-250 NEO on identical travels of 27 in (686 mm), 12 in (305 mm) and 42 in (1,067 mm) in X, Y and Z. Floor area is 164 in (4,166 mm) × 123 in (3,124 mm). For thermal stability Mazak lists Ai Thermal Shield, spindle temperature control and, as a standard specification, ball screw core cooling on all three linear axes of the series.