Available through 2D CNC Machinery of Hinckley, the two largest variants of MG and MG-U, designated 1650, have a high rigidity build standard with a shipping weight of some 148 tonnes.While the MG has an automatic multi-head exchange capability, able to store up to five units on the machine, the MG-U incorporates an A-/C-axis tilting head, giving full 5-axis simultaneous operation.
The standard BT50 spindle is 35 kW, with 740 Nm of torque available through a two-stage gearbox giving 10 to 6,000 rpm. There are further speed options of 4,000 or 8,000 rpm or a direct drive Fanuc-built 23 kW unit having a maximum speed of 10,000 rpm.
Each slideway is equipped with ultra-heavy precision roller linear guideways and the use of twin-synchronised servo motor drives on the X-axis incorporate a Wele patented backlash elimination system. Linear scales ensure positioning accuracy of ±0.025 mm over the full travel, with repeatability of ±0.010 mm. Rapid traverse rates in X are 10 m/min and 12 m/min in Y and Z.
