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Kel-Vita

Kel-Vita

Kel-Vita

Product catalog summary
Overview: The KEL-VITA is a universal CNC grinding machine designed for precision and versatility in grinding applications. It features advanced technology for both external and internal grinding, making it suitable for a wide range of industrial applications.
Workhead Specifications: The workhead operates at speeds from 1 to 1000 min-1 and includes a power-actuated clamping device with a clamping force range of 5,000 to 20,000 N. It supports lightweight, unround components and threads with a load capacity of 100 Nm for chucked work and 100 kg between centers.
Wheelhead Variations: The machine offers eight different wheelhead variations, each tailored for specific grinding applications. The wheelhead requires 10 kW of power and supports grinding wheel diameters up to 500 mm with peripheral speeds up to 63 m/s.
Table and Slide Features: The machine includes a low-friction X-guide for precise infeed and a low-wear Z-guide with circulation lubrication. The CNC control system is the Fanuc 31i, featuring graphic programming, DXF import, and tool administration for up to 99 grinding wheels.
Automation and Ergonomics: The KEL-VITA is equipped with automatic sliding doors for operator relief and faster workpiece changes. It also includes an integrated loading cell and robotic solutions for flexible automation. The design emphasizes good visibility and ergonomic operation.
Wheelhead Options: Various wheelhead configurations are available, including UR, R, RS, and URS types, each designed for specific grinding tasks such as external, internal, and face grinding. The wheelheads feature thermal stability and optimized spindle bearings.
Internal Grinding and Accessories: The machine supports internal grinding with high-frequency spindles and a range of rotational speeds. Accessories include a ring sensor for noise evaluation and a KEL-POS active flagging device for component positioning.
Control System and Software: The Fanuc 31i control system includes a 15˝ TFT monitor, softkeys, and expanded process data display. Software packages like KEL-PROG and KEL-GRAPH facilitate ISO programming and graphic programming for complex shapes.
Technical Data: The machine's main specifications include a distance between centers of 1000 mm, grinding lengths of 800 to 1000 mm, and a center height of 175 mm. It requires a mains voltage of 3 x 400 V / 50 Hz or 3 x 460 V / 60 Hz, with power consumption ranging from 35 to 80 A.
Global Support: The Hardinge Group, which includes Kellenberger, provides global support with a network of partners offering sales, service, and application engineering expertise.
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Catalog excerpts

Kel-Vita-1

KEL-VITA The Perfect Universal CNC Grinding Machine

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Kel-Vita-2

KEL-VITA – The Perfect Universal CNC Grinding Machine 2 C-axis light for lightweight, unround components and threads Load with chucked work 100 Nm F l Load between centres 100 kg F Power-actuated clamping device Clamping force 5'000–20'000 N Power-actuated chuck 3 KCHP 160 Perfection at a glance CNC control system Fanuc 31i The latest generation control system with Windows CE Graphic programming with DXF import User guided ISO programming with expanded functionality Tool administration for a maximum of 99 grinding wheels Display of process data with various display variations USB, flash card...

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Kel-Vita-3

3 Tailstock morse taper 4 retraction of sleeve 48 mm Micro-adjustment of tailstock adjustment range +/- 60 µm High frequency dressing device for rotating dressing tools Equipment Arobotech-steady-rest Automatic sliding doors Relief of Operator Faster workpiece change time Glass measuring devices on X and Z axes High dynamics with rapid traverse speeds of 20 m/min. on the Z axis and 10 m/min. on the X axis Ergonomics Good visibility of the grinding process thanks to a generous viewing window Advanced optical and ergonomic design Clearly arranged, central interfaces on lower table for all table...

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Kel-Vita-4

UR-wheelhead for external, internal and face grinding v-constant for external grinding infinitely variable drive for external grinding R-wheelhead for external cylindrical grinding v-constant RS-wheelhead for Angular infeed grinding grinding lengths 400 / 800 mm v-constant URS-wheelhead for Angular infeed grinding, internal and face grinding grinding lengths 400 / 800 mm Spindle bearings high accuracy spindle bearings pre-stressed Internal grinding The noise is picked up with a ring sen­ sor at the workhead and evaluated using a separate channel. Internal grinding is made more productive and...

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Kel-Vita-5

Internal Grinding/Swivelling System/Accessories Internal grinding attachment Belt-driven internal grinding spindle 828 = max. 28'000 min-1 842 = max. 42'000 min-1 860 = max. 60'000 min-1 Internal grinding attachment Internal grinding spindle 1230 = max. 30'000 min-1 1260 = max. 60'000 min-1 Frequency converter Wheelhead B-axis with direct drive manual indexing 2.5° automatic indexing 1° Active flagging device KEL-POS determines component position in Z-axis mounted on wheelhead KEL-BALANCE semi-automatic balancing for 1 or 2 wheels automatic balancing for 1 wheel Wheelhead Depending on the application,...

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Kel-Vita-6

Monitor ■ 15"TFT ■ Softkeys ■ Expanded process data display Keypad ■ Handwheel with confirmation key ■ Travel stick ■ Mobile handpanel as an option KEL-PROG ■ Operator-controlled ISO programming ■ Cycle selection via Softkeys ■ Form editor KEL-GRAPH ■ Graphic programming ■ Cylinders, radii, facets, tapers and contours ■ DXF import via KEL-ASSIST KEL-TOOL ■ Tool administration ■ Local and global dressing devices ■ Standard wheel definition with multiple reference points Technical data Coolant outlet Machine type

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Kel-Vita-7

Control System / KEL-ISO / Accessories KEL-TOUCH ■ GAP control with up to 3 sensors ■ Operation and display integrated in the control system ■ SW package for the preparation of contour-grinding or profile-dressing programmes ■ DXF-import, threads, cleaning cycles KEL-POLY ■ SW package for the preparation of unround-grinding programmes ■ Correction of deviations in heights of centres Movomatic ■ Control unit ESZ 400 ■ Maximum 4 digital measuring heads ■ Display and operation on ancillary panel All specifications and designs are subject to alterations without notice Marposs ■ Control unit P7 ME ■...

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Kel-Vita-8

Competence and a world-wide partnership Over the years the Hardinge Group has constantly evolved its range of products and areas of activity As globally active and diversified company the Hardinge Group has production sites in North America, Europe and Asia. In addition to the development and construction of turning machines and work-holding fixtures, with Bridgeport the Hardinge Group also has a manufacturer of machining centers. The Hardinge Group is a major global provider of customer-specific solutions for grinding applications. The Hardinge Grinding Group encompasses all activities in the...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.