U740
The new Universal milling machines - in solid block design with
3-point support in proven mineral casting technology

The U-series is a must wherever flexibility, precision and universality are required. A machine concept that has proven itself a thousand times with new technological values, ideal for tool and mould making and the production of single parts and small series.
 
Outstanding features of the U 740 / U 1130
  • Solid block design with 3-point support in proven mineral casting technology
     
  • CNC-controlled B-axis swivellable between +5° / -95° with hydraulic clamping
     
  • Main spindle manually swivellable between +5° / -95° with digital display on control unit
     
  • Motor spindle technology with collision protection
     
  • Speed from 12,000 to max.18,000 rpm and a torque of 200 Nm
     
  • Large X traverse
     
  • Rapid traverses up to 30 m/min
     
  • Acceleration up to 5 m/s2
     
  • Max. table loading up to 1000 kg
     
  • Fully enclosed working area
     
  • Control panel swivellable from the working position to the tool loading and unloading point
     
  • Modular design including extensive options
     
  • Highly advanced control technology with the iTNC 530
 

 
 
Main spindle in 3 designs

- Rigid design
- Main spindle manually swivellable between +5° / -95 digital display on control unit
- CNC-controlled B-axis swivellable between +5° / -95° with hydraulic clamping
Technical data    
  U 740 U 1130
Traverse X-axes 740/915* mm 1130/1300* mm
Traverse Y-axis 500 mm 720 mm
Traverse Z-axis 500 mm 630 mm
Rapid traverses X-Y-axis 30 m/min 30 m/min
Rapid traverses Z-axis 20 m/min 20 m/min
Linear acceleration X-Y-axes 5 m/s2 5 m/s2
Linear acceleration Z-axis 4 m/s2 4 m/s2
Feed force X-Y-axis 6000 N 6000 N
Feed force Z-axis max. 6000 N max. 6000 N
Control Heidenhain iTNC 530 Heidenhain iTNC 530
Main spindle drive    
Speed 12,000 or 18,000 rpm 12,000 or 18,000 rpm
Main power / torque 30% c.d.f. 32 kW / 200 Nm 32 kW / 200 Nm
Tool holding fixture SK 40 or HSK A 63 SK 40 or HSK A 63
Main spindle in 3 designs    
Rigid design    
Manually swivellable via crank handle with digital display on control unit -5° / + 95° -5° / +95°
CNC-controlled B-axis with hydraulic clamping -5° / + 95° -5° / +95°
Table variants    
Rigid clamping table    
Clamping surface 900 x 500 mm 1300 x 720 mm
Table load 700 kg 1000 kg
NC rotary table    
Clamping area Ø 630 mm -
Speed 20 rpm -
Table load 500 kg -
Integrated NC rotary table    
Clamping area - Ø 800 / 1300 x 720 mm
Speed - 30 rpm
Table load - 700 kg
Tool changer    
Chain magazine 16 pockets 16 pockets
Ring magazine 28 pockets 28 pockets

Subject to change without notice.