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Gear hobbing machines LC 60-130
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Gear hobbing machines LC 60-130 - 1

The CNC Gear Hobbing Machines LC 60 – 130

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Gear hobbing machines LC 60-130 - 2

The CNC Gear Hobbing Machines LC 60, 100, 130 For decades, Liebherr has been producing gear hobbing machines that satisfy all requirements relating to quality, productivity and reliability. This new generation high speed hobbing machine opens up wide-ranging opportunities for efficient gear manufacturing. A1 V1 B1 The compact concept requires 20% less floor space. The proven advantages of the integral loader and part storage system are also available with this machine. Significantly increased axis and spindle speeds improve productivity and permit more complex machining processes such as...

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Gear hobbing machines LC 60-130 - 3

High-speed swivel loader (optional for LC 60) Universal ringloader The tool spindle speed maximum of 7000 RPM allows cutting speeds up to 1700 m/min. Table speeds up to 1400 RPM enable the use of high number multi-start hobs to reduce cutting time. A1 - Swivel motion tool B1 - Rotary motion tool C2 - Rotary motion work piece C3 - Rotary motion ringloader V1 - Tangential travel tool X1 - Radial travel main column Z1 - Axial travel tool Z4 - Vertical travel tailstock arm Z5 - workpiece pocket The workpiece loading time of the highspeed swivel loader for wheels up to 60 mm has been reduced to...

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Gear hobbing machines LC 60-130 - 4

Customer Expectations Intensive information exchange with our customers throughout the world and extensive practical experience with our existing generation of machines had a major impact in the development of this machine. For example - The new machine enclosure, an improved chip flow for the dry cutting process, and a very rigid deburring unit. Work area enclosure 4 Optimized chip removal Deburring unit

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Gear hobbing machines LC 60-130 - 5

Machine development focused on the following criteria: • Minimized set-up time • Ease in operation • Reduced complexity As a consequence, the quick-change gripper system, an automatic counterbearing for faster tool change and the 2-station ringloader are now standard features. High-speed 2-station swivel loader (LC 60) Automatic counterbearing Quick-change gripper

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Gear hobbing machines LC 60-130 - 6

Customer Benefits The development of this machine focused on high availability with minimum maintenance requirements. Maintenance tasks have been greatly reduced (e.g. by using a grease lubrication system for the guideways). Separate areas for the electric, hydraulic and pneumatic components are clearly identified and easily accessible. Hydraulic/Lubrication area

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Gear hobbing machines LC 60-130 - 7

1 Operator panel 2 Electrical cabinet 3 Chip conveyor 4 Chip cart 5 Maintenance area for hydraulics / lubrication 6 Maintenance area for pneumatics 7 Steady column with 2-station ringloader 8 Integrated part storage unit 9 Hob head 10 Machine table

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Gear hobbing machines LC 60-130 - 8

Machine Tools and Automation Systems by Liebherr With around sixty years of experience in the field, Liebherr is one of the world‘s leading manufacturers of CNC gear cutting machines, gear cutting tools and automation systems. These innovative products are the result of advanced ideas, highly qualified employees and the latest manufacturing systems at each of their locations. They are characterised by economy, ease of use, quality and reliability in combination with a high degree of flexibility. Liebherr employs approximately 1,200 people in the field of machine tools and automation...

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