MITSUI SEIKI USA announces a new series of large, accurate CNC jig mills suitable for mold base production, mold plates, precision hot runners, progressive and transfer dies, and other jig boring and milling applications. The fixed crossrail, massive ram design of the new J1620 and J1620X machines, provides a straightness accuracy in X and Y axes better than 10 microns, according to the developer. Further, table squareness to the Z-axis is also better than 10 microns.
Working size range is for the J1620 is 2,100 x 1,600 500 mm (X-Y-Z.) Table size is 2400 x 1600 mm, with a load capacity of 4000 kg. With the J1620X version, all the specifications are the same except X-axis is 2,500 mm and the table is 2,200 x 1,500 mm. A variety of CNC U-axis boring heads are available on both models. The machines feature a 10,000-rpm built-in integral spindle with a 50 taper interface.
The spindle technology controls growth and provides thermal stability. Customers may choose from a variety of tool-changer units with capacities from 10 to 180 tools and more. Likewise, a variety of coolant and chip evacuation systems are available to match customers’ needs. Precision probing is an option as an aid to workpiece setup and in-machine inspection functions. Learn more at www.mitsuiseiki.com