KEL-VERA
16Pages

Catalog excerpts

KEL-VERA The Compact High-Precision Cylindrical Grinding Machine

THE INNOVATIVE GRINDING SYSTEM 2 Constructional variants • Universal type • Universal type for flanged components • Production type Different wheelheads • Universal • Diagonal • Tandem types • Production type C-axis • For unround components and threads (option) Table concept • Individual table configuration based on lower table Platform concept • Optimal arrangement of the wheelhead in relation to the workpiece The Truth of the Highest Precision KEL-VERA – the on-going consequent development has led to the introduction of this extremely compact machine which is based on a visionary modular...

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Heidenhain control system GRINDplusIT • Windows XP • 2-processors control system Fanuc control system GE Fanuc 310 is • Windows CE • 2-processors control system B-axis / KEL-SET • Automatic grinding wheel measuring system (option) Hydrostatics with holding device • X- und Z-guideways • No stick slip • Good damping • High dynamics Cooling system for a thermically stable machine • Hydrostatics • Wheelhead • Spindles Advantages of hydrostatics • Extremely fine correction possibilities • Excellent dimensional accuracy on interpolating the X- and Z-axes, both for contour grinding and form...

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UNIVERSAL TYPE OF MACHINE Universal Wheelheads Diagonal Wheelheads Tandem-Type Wheelheads Spindle bearings • hydrodynamic multi-surface spindle bearings Universal Cylindrical Grinding Machine The universal model is designed for the grinding of small and medium-sized batches of components. Equipped with table slide and upper table for cylindricity corrections it can be delivered with 175 mm height of centres. Both external and internal contours can be ground. Different wheelhead configurations, different swivel devices and their corresponding table assemblies are available so that shafts and...

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Bridgeport® GX300 B-axis • Automatic infinitely variable positioning of the wheelhead • Direct measuring • Indirect measuring KEL-SET • Automatic grinding wheel measuring system • EU patent No. EP 0 542 674 B1 • US patent No. 5.335.454 Table concept • Lower table • Upper table can be swiveled • Height of centers 175 mm • Dressing device on WH and TS Dressing concept Shafts (up to 400 mm in length) • Wheel left, behind WH • Wheel right, behind TS Dressing concept Flanges (up to 50 mm in length) • Wheel left, behind WH • Wheel right and internal grinding wheel, behind WH or on upper table...

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UNIVERSAL TYPE OF MACHINE FOR FLANGED PARTS (URF) Universal Wheelheads Diagonal Wheelhead Tandem-Type Wheelhead Hf Id Grinding Spindles • MFM 1224-42 • MFM 1242-60 • MFM 1290 • Frequency converter Drive Motors • Water-cooled precision-balanced drive motors Universal Cylindrical Grinding Machine for Flanged Parts (URF) In contrast to the universal model, the URF model is designed specifically for flanged parts up to 500 mm. Internal and external grinding operations can be completed in one single setting. Even larger components can be ground, without any loss of performance, by mounting the...

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B-axis Automatic infinitely variable positioning of the wheelhead Direct measuring Indirect measuring KEL-SET Automatic grinding wheel measuring system EU patent No EP 0 542 674 B1 US patent No 5.335.454 Table Concept Lower table Intermediate plate for mounting of devices with interface for dressing units Height of centers 250 mm Dressing concept Shafts (up to 400 mm in length) Wheel left, behind WH Wheel right behind TS Dressing concept Flanges (up to 150 mm in length) Wheel left, behind WH Wheel right and internal grinding wheel on lower table Dressing Concept The unique table concept...

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PRODUCTION TYPE OF MACHINE Grinding Wheel •Grinding wheel up to Ø 600 x 150 mm • Standard 45 m/sec. • Optionally up to 80 m/sec. Integrated Balancing • Balancing head inside the grinding spindle • Separate GAP sensor Spindle Bearings • High-accuracy spindle bearings, pre-stressed Cylindrical Grinding Machine fine adjustment devices mounted on the for Production tailstock or the workhead. The production model is designed for medium and large-sized batches of Wheelhead for production components. The height of centers of • Motor output up to 20 kW 175 mm from the lower table guarantees •...

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Manual Swiveling • Can be swiveled manually • 0° / 30° • Pneumatic relief Center of Rotation • Short wheel edge stroke Table Concept • Lower table • Height of centers 175 mm Dressing Concept Shafts (up to 400 mm in length) • Wheel straight, behind TS • Angular wheel, behind TS Dressing Concept Flanges (up to 200 mm in length) • Wheels straight and angular on upper table right hand side Applications • High removal rate and lower wear rate using 600mm grinding wheel diameter • The permissible wheel width of up to 150 mm allows workpiece processing in one operation or multiple O.D.s with wheel...

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WORKHEAD AND C-AXIS, TAILSTOCK 10 Workhead • 1-800 min-1 • Roundness on workpiece dR < 0.4µm Workhead with rotating spindle, only • 1-800 min-1 Tailstock • Morse taper 4 • Retraction of sleeve 50 mm Micro-adjustment of tailstock • Adjustment range +/- 150 µm Swivel angle display • For manual swiveling of the workhead Workhead Robust and rigid design on a solid base. Strong motor. Infinitely variable spindle speed. Airlook seals prevent ingress of dirt or water as well as the formation of condensation. Options • Roundness of the component dR < 0.2 µm on chucked work • Microadjustment for...

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LOADING SYSTEMS Portal Loader • Integrated portal on machine • Two pneumatic lifting modules • NC drive longitudinally Loading Cell • Fixed to the machine • Fixed cycle feed for shaft parts • Extendable with palettes Robot Cell • Loading cell mounted to the side • Accessibility without limitation Free Access • For setting • For process monitoring • For single component grinding Loading • Standardized palette concepts • Platform for individual applications Portal Loader • Collision-free loading • Universal solution with feeding cycleband • Integrated assembly with machine including coolant...

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