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LIEBHERR LC 82

max. wheel diameter 80 mm
gear width 120 mm
max. module 3
min. module 1
control SIEMENS 840 C
total power requirement 30 kW
weight of the machine ca. 7500 t
dimensions of the machine ca. m
Bedpfst Hw R Djx Achewu
L I E B H E R R
CNC – Controlled Gear Hobbing Machine
Type LC 82
Baujahr 1995 Ser.-Nr. 0836
_____

Gear-Diam. max. 80 mm
Module Range 1 - 3
Helix Angle +/- 45 °

Distance Table Center to Tool Center 15 – 160 mm
Hobbing Head Slide stroke vertical 250 mm
Tangential Travel / Shift Travel of Tool slide 180 mm
Minimum Number of Teeth 3 (!)
Hob Size max. Ø x length approx. 90 - 200 mm
Taper of Hob spindle HSK 50 A

Workpiece Clamping length (table/Tailstock) 250 mm
Infeed rates axial/radial/tangential/ 20/4/5/ mm/WP rev.
Hob speed steplessly adjustable 0 – 800 rpm

Hob Spindle Drive 8 kW -
Total Load approx. 30 kW - 400 V – 50 Hz
Total weight of Machine approx. 7.500 kg

Special attachments / accessories:

• SIEMENS - CNC-Control Model 840 C for 6 axis (i.e. Hob drive/table drive/
swivel angle of hob head/ Radial axis/Axial Axis/ Tangential Axis ) with a
surface especially designed for the gear manufacturing with error display
function.
• Automatic and contactless tooth meshing device to adjust the hob into
workpiece.
• Automatic Shifting of hob slide.
• Automatic Workpiece handling system Model SSL for high speed loading and
unloading of Workpieces, consisting of a steel chain3,, for workpiece
carriers and 3-fold WP-Gripper for blanks,
for the machining position and for unloading of finished parts onto the
steel band.
Actual Workpiece size to be machined: approx.. Ø 30 x 120 mm length, helix
gear sprocket.
Clamping of workpiece between centers by a mechanical, cam controlled quill
in tailstock.
• complete workarea protection with one sliding door, chip conveyor, small
coolant device, oil dust
Absorber, WP Carrier, etc.
The Machine can be also used for dry cutting.

Condition : Satisfactory to Good . Machine can be inspected under power here
in stock.
Delivery : Ex stock, as inspected.
Payment : Net, after conclusion of contract.