Gear Hobbing Machine - Vertical

max. wheel diameter 3000 mm︱gear width 500 mm︱max. module 25 / 40 ︱spindle turning speed range 250 U/min︱feed speeds max. 4000 mm/min︱faceplate diameter 2000 mm︱table bore diameter 700 mm︱table turning speeds 51 U/min︱power capacity - milling spindle 53 kW︱drive motor for milling spindle - kW︱axial adjustment 1200 mm︱milling head swivable ca. +/- 45 °︱control Siemens 840D ︱total power requirement - kW︱weight of the machine ca. 55 t︱dimensions of the machine ca. - m︱

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- CNC Control Siemens 840D - Internal Hob Head IFK - External Hob Head 2 machines available

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︱

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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.

max. wheel diameter 3000 mm︱gear width 1000 mm︱max. module ︱min. module ︱Control ︱total power requirement 40 kW︱weight of the machine ca. 50 t︱dimensions of the machine ca. 7 x 4,5 x 4,75 m︱

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The machine was overhauled and modernized in 2006. CNC control: Siemens Sinumerik 840 D Table diameter: 2000 mm Max. wheel diameter: 3000 mm Gear width: 1000 mm Max. module: 24/28 Z axis: 1400 mm Y axis: 450 mm X-axis: 970 mm Max. helix angle: 45 ° Table hole diameter: 600 mm Distance between cutter center and table center: 200 - 2200 mm Hob diameter: 390 mm Maximum length of the cutter: 600 mm Rotary speeds of the hobs: 25 - 150 rpm Table load capacity max. 25000 kg Total power requirement: 40 kW Weight of the machine: 50 t Machine dimensions: 7 x 4.5 x 4.75 m Internal aggregate with the smallest internal fi 980mm and the largest internal fi 2200 driven. With the external head we can have the smallest external fi 950 mm and the largest external fi 2800.