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The C 42 U five-axis machining center is available with a mineral cast base to minimize thermal conductivity and vibration. The X, Y and Z axes are 800 × 800 × 550 mm, respectively, with rapid traverse of 60 m/min. in all axes. The spindle features a slim-end design for deep-cavity machining and is available in speeds of 10,000, 18,000 and 25,000 rpm. The two-part spindle design incorporates six displacement sleeves for collision protection.
The tools are changed by direct pick-up, and the magazine accommodates 42 tools with a maximum length of 300 mm and diameter of 90 mm. Tooling is SK 40 and HSK A 63 (the 25,000-rpm spindle utilizes only HSK A 63). The machine features 4.5 sec chip-to-chip time, and tooling can be expanded to 160 pockets.
The machine is designed with a variety of table configurations. For three- and four-axis machining, a rigid clamping table with a 1,050 × 805-mm surface and a load capacity of 2,000 kg is available. Five-axis versions incorporate swiveling rotary tables in three sizes: 800 × 630 mm with a maximum load of 1,400 kg; 440 mm with a capacity of 450 kg; and 420 mm with a 600-kg load capacity.
Controls are Heidenhain iTNC 530 or Siemens 840 D SL, and a variety of options are available for coolant application, chip control and tool management, among others.
The C 50 U machining center is also available for large-part machining.
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.