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Mazak offers its versatile Variaxis i-800 machining center with full, simultaneous five-axis capabilities. The high-accuracy machine is capable of performing multiple and complex curved surface machining on large, heavy workpieces in single setups, the company says. The machine is part of Mazak’s Done-In-One concept and is classified as a Level 4 machine on its Five Levels of Multi-Tasking scale.
With X- and Y-axis travel measuring 28.74" × 33.46" (730 × 850 mm), respectively, the machine can accommodate workpieces as large as 39.37" (1,000 mm) in diameter and 19.69" (500 mm) tall. Its roller gear cam-driven rotary/tilt table provides 360 degrees of rotation in the C axis and +30 degrees through -120 degrees of tilt in the A axis.
The machine is equipped with a 10,000-rpm, 40-hp, 50-taper spindle with a compact nose design to increase the Z-axis stroke to 22.05" (560 mm) and improve overall machining stability by enabling the use of shorter tools. An optional 18,000-rpm spindle is also available. The machine features a cam-driver toolchanger and a magazine capacity ranging from 30 to 120 tools.
The machining center is capable of 1,654 ipm (42 m/min.) rapid traverse rates in the X, Y and Z axes. The MX hybrid roller guide system is said to increase vibration damping, extend tool life, accommodate higher load capacities and eliminate tramp oil in the coolant with a greener, grease-based lubrication.
The Matrix 2 CNC control includes enhanced hardware and software functionalities and faster processing speeds for small-increment operation. A five-axis spline interpolation function in the software provides smooth tool paths from long block-by-block programs, easy tool vector control and shorter cycle times, as well as better surface finishes.
The 2016 Capital Spending Survey
The machine tool market bottomed in the summer of 2016, but will continue to rebound in 2017 as shops invest in technology for unattended operation.