HOBBING MACHINE

LIEBHERR LC150

General Machine Information

Machine Type: CNC Gear Hobbing Machine (Abwälzfräsmaschine)
Control Unit (CNC): Siemens SINUMERIK 840D (Digital)
Year of Manufacture: 2002
Machine Weight (Approximate): 9500 kg (9.5 tonnes)
Total Connected Load (Approximate): 25 kVA – 35 kVA

Workpiece and Machining Capacity
Maximum Workpiece Diameter: 150 mm
Maximum Module (Nominal for Steel): 3 mm (up to 5 mm possible depending on conditions)
Maximum Workpiece Length (Axial Travel): 450 mm
Maximum Workpiece Weight (Table Load): 15 kg
Workpiece Table Diameter: 145 mm
Table Speed (Max.): Up to 800 min⁻¹ (rpm)

Hobbing Tool Spindle
Maximum Hob Diameter: 90 mm (Often cited as 80 mm max in some configurations)
Maximum Hob Length: 220 mm (Often cited as 200 mm max in some configurations)
Maximum Hob Spindle Speed: 4500 min⁻¹ (rpm) or up to 6000 min⁻¹
Hob Spindle Drive Power (S6-60%): Up to 19 kW (or up to 23 kW depending on configuration)
Hob Head Swivel Angle (B-Axis): ±45 degrees

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Axes Travel and Feed Rates
Axial Travel (Z-Axis / Hob Slide): 250 mm or 400 mm (Depending on configuration)
Radial Travel (X-Axis / Cutter Infeed): 10 mm (minimum distance) to 200 mm (maximum distance)
Maximum Shift Travel (V-Axis / Tangential): 180 mm (Shift travel for hob)
Maximum Rapid Traverse Rate (X/Z): 17 000 mm/min or up to 40 m/min

Felsomat FZ 250 Loader / Automation

Loader Type: Felsomat FZ 250 (Typically an integrated ring loader or swivel loader)
Workpiece Change Time (Chip-to-Chip): Often less than 4 seconds (With high-speed automation)
Loader Gripper Type: Typically double grippers for simultaneous unloading/loading
Maximum Workpiece Weight (Loader): Up to 15 kg