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starrag Heckert HEC 1250

Workpiece Clamping & Table:
• Pallets according to DIN 55201, maximum load capacity 5,000 kg
• Tilting moment: 50,000 Nm
• Rotary table: 10 rpm, resolution 0.001°, tangential moment (clamped): 25,000 Nm

Pallet & Tool Changer:
• Automatic pallet changer for 3 pallets, changeover time 47 s
• Automatic tool changer, chip-to-chip time: 13 s
• Tool weight up to 15 kg
• Drum magazine with 320 storage slots (4 drums), max. tool diameter 250 mm, max. length 450 mm, max. weight 35 kg

Travel & Feed Rates:
• Feed range: 1–40,000 mm/min
• Rapid traverse: 40 m/min
• Acceleration (x/y/z): 4 / 5 / 3 m/s²
• Feed forces: max. 20 kN

Main Spindle:
• Spindle diameter: 100 mm
• Speed range: 20–6,000 rpm (optional 10,000 rpm, 2-stage gearbox)
• Tool interface: SK50 (DIN 69871), optional BT50 or HSK-A100
• Through-spindle coolant, max. 70 bar

Coolant System:
• Coolant unit with gravity fleece filter
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• Supply pressure: 10–70 bar, tank volume 3,400 l
• Temperature stabilization and compensation for high precision
• Optional: Sag and spindle expansion compensation, spindle warm-up program
• Hinged belt chip conveyor (optional, with fleece or vacuum filter)
• Connection to central coolant system possible

Performance & Accuracy:
• Continuous power consumption as per installation plan
• Sound pressure level ≤ 80 dBA
• Positioning accuracy (x/y/z):
o Tp = 0.006 mm
o Psmax = 0.005 mm
o Umax = 0.004 mm

General Data:
• Net weight (complete): approx. 26,500 kg
• Color scheme: Light grey RAL 7035 / Mouse grey RAL 7005 / Ruby red RAL 3003
• Operating voltage: 400 V / 50 Hz
• Documentation in German language

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