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Machining excavator shovel teeth made of toughened steel

Machine type: travelling column machining centre

The asymmetric pendulum stroke allows the optimal utilisation of the working spaces while the machine is still of compact construction
The asymmetric pendulum stroke allows the optimal utilisation of the working spaces while the machine is still of compact construction
Workpieces are aligned by means of centring bolts and clamped from beneath against a hydraulically movable surface
Workpieces are aligned by means of centring bolts and clamped from beneath against a hydraulically movable surface
Rapidly changeable clamping devices for workpieces of different sizes minimise the retooling times
Rapidly changeable clamping devices for workpieces of different sizes minimise the retooling times

Task:

Machining excavator shovel teeth and special lugs made of toughened steel

Solution:

  • Asymmetric pendulum stroke for optimal work processes
  • Right: 5-axis machining of the ends of lugs in three sizes by means of rapidly exchangeable clamping devices
  • Left: Machining the mounting surfaces of excavator shovel teeth
  • Alignment by means of centring bolts, clamped onto hydraulically movable contact surface
 

Special characteristics:

Two different hydraulic clamping mechanisms for workpiece machining in pendulum mode
 

Traverse ranges:

X-traverse range: 2035 mm / pendulum stroke left = 620 mm / pendulum stroke right = 915 mm
Y-traverse range: 600 mm
Z-traverse range: 800 mm

Spindle:

Main drive (with 40% DC): 56 kW
Spindle torque (with 40% DC): 355 Nm
Speed range: 30 - 4000 1/min

Tool changing system:

26 tool places XTS

Rotary table:

NC rotary table RTA 3-630

Swivel head:

infinitely variable