KEL-UNIVERSAL Produkte-Übersicht - PDF

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KEL-UNIVERSAL Produkte-Übersicht Universal Grinding Machine for the highest demands 1 KEL-UNIVERSAL The traditional universal grinding machine 2 Workhead n min-1 with work holder MT5 adapter flange

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KEL-UNIVERSAL Produkte-Übersicht Universal Grinding Machine for the highest demands 1 KEL-UNIVERSAL The traditional universal grinding machine 2 Workhead n min-1 with work holder MT5 adapter flange DIN #5 Adapterflange DIN with work holder MT5 adapter flange DIN #5 spring collets B = 160 Nm 2 = 130 kg F F l Splash guard to be used with standard workhead mounted on linear roller bearings Sine bar attachment direct fine angular setting by using gauge blocks when grinding chucked workpieces with inside or outside tapers KEL-UNIVERSAL for grinding jobs in tool and die maker shops, for the grinding of small batches of components or of prototype pieces, for maintenance jobs, laboratories or special machine building facilities. Machine base with high static and dynamic rigidity. Optimal bracing Generously dimensioned and precision scraped V- and flat guideways guarantee a long lifetime of quality Three point set-up, no special foundation required Workhead with its preloaded highprecision roller bearings is designed for a working capacity of up to max. 130 kg between centres or of up to 160 Nm for components taken-up in chucks. Standard working accuracy Roundness for chucked work: Delta R 0.5 µm according to B.S Increased working accuracy Delta R 0.2 µm according to B.S Accessoires: Lever-operated clamping attachment power chuck KEL-UNIVERSAL Tailstock with preloaded sleeve Sleeve located in preloaded ball bearings Morse taper MT4 retraction of sleeve 30 mm 3 Micro-adjustment of tailstock adjustment range +/- 15 µm 1 division 0.1 µm Upper table anti-friction bearing pivot pin swivel on air cushion Cast-iron machine base optimal bracing generously dimensioned and precision scraped V- and flat guideways Three point set-up no special foundation required for installation Tailstock with preloaded sleeve The solid tailstock offers many qualities. Option Micro-adjustment Upper table with anti-friction bearing pivot pin and fine adjustment of table swivel for cylindrical or taper corrections. Longitudinal adjustment, manual or hydraulic, with infinitely variable speed from 0 6 m/min Dwelling times on table-slide reversal independently adjustable for both sides High reversal accuracy of +/ mm Shortest oscillation travel 2.5 mm Hydraulic and central lubrication system Their arrangement completely separated from the machine prevents undesirable effects, such as heat, vibrations etc., on to the machine base. Automatic lubrication for the wheelslide and for the table-slide guideways KEL-UNIVERSAL Wheelhead 4 Wheelhead for external, internal and face grinding precision-balanced drive motor High-precision spindle bearings hydrodynamic spindle bearings axial - radial adjustable clearance Cross-slide Travel 220 mm Rapid traverse 40 mm combined guide device External cylindrical grinding configuration with grinding wheel on the lefthand side for external cylindrical grinding grinding wheel ø 400 x 50 x 127 mm Face grinding configuration with grinding wheel on righthand side for face grinding grinding wheel ø 300 x 40 x 127 mm Wheelhead The universal wheelhead U has been designed for OD-, face- and ID-grinding in a single set-up. Roundness, concentricity and axial run out values of less than 1 µm can thus be achieved. Manual swivel on air cushion Swivel range +5 / -195 degrees Indexed position every 90 degrees Manual clamping in any position Motor output 3.6 kw Grinding wheel 400 x 50 x 127 mm The hydrodynamic bearings of the grinding wheel spindle and the finely balanced motor guarantee excellent surface quality. Cross-slide with built-in rise and fall - mechanism of the wheelhead. The total wheelslide travel of 220 mm can be easily adjusted by a few turns of the infeed handwheel, in its coarse position. Torsion-stiff, direct infeed-mechanism for cross-slide that moves on a combined guide device Preloaded lead screw nut without backlash Hydraulic rapid advance and retraction with adjustable damping in the end positions KEL-UNIVERSAL Internal grinding / Accessories Internal grinding internal grinding attachment with 80 mm bore use of belt driven internal grinding spindles 5 Internal grinding spindles Swivelling dressing device for wheel-dressing on external-, face- or internal grinding adjustable to final work diameter 1 single-point diamond of app. 0.5 carat Radii-dressing device for convexe and concave radii range: 0 12 mm fine adjustment by means of micrometer screw Lateral and angular dressing device for dressing of the grinding wheels on the periphery and on both sides swivel range: 0 90 degrees for diamond tools with shank Morse taper 0 Internal grinding ID-grinding attachment with bore 80 mm for belt-driven grinding spindles. Belt guard Manually operated wheel guard Coolant feed through workhead spindle Riser blocks The very rigid machine construction and the large dimensions of the slide ways allow the high-precision grinding of workpieces with large diameters. To increase the working range, the center height of 175 mm can be increased to 250 mm by using riser blocks. KEL-UNIVERSAL Operating 6 Handwheel with micro-adjustment Electro-control panel Digital read-out for infeed of cross-slide and/or the table-slide movement 1 control unit; resolution of mm scales Heidenhain LS 403C Gap control to reduce the air-gap feed time in case of varying stock removal amounts operating and control unit sensor mounted on wheelhead In-process gauge systems for workpieces with uninterrupted surfaces for workpieces with uninterrupted and interrupted surfaces 1 Shiftknob coarse/fine 2 Table-motion handwheel 3 Inching-button for workspindle 4 Spark-out time/strokes 5 Single-lever control 6 Infeed selector 7 Table reversing dwell 8 Table reversal The Kellenberger cockpit combines ease of use with its ergonomic design. The clear and unobstructed arrangement of the controls assures an optimal operation-comfort. The automatic working cycle and the single lever control are the essential elements for the easy operating. Automatic cycle by preselecting of: infeed rates Changeover position roughing/finishing Infeed mode Spark-out Cut-off Stock removal on rough grinding max. 0.9 mm/dia. Stock removal on finish grinding max mm/dia. Technical data Machine type Main specifications Distance between centres mm Grinding length mm Centre height mm Weight of workpiece between centres kg 130 Load on chucked work Nm 160 Mains voltage required 3 x 400V / 50 Hz / 3 x 460V / 60 Hz Power consumption depending on equipment A 25 Space required / length x width mm 3210 x x x 2100 Longitudinal / slide: Z-axis Travel mm Rapid traverse speed m/min 6 Swivelling range of upper table degree Wheelslide: X-axis Travel mm 220 / 40 Swivel devices Man. indexing / 2.5 Hirth coupling all 90 / infinitely positioning Swivelling range degree Wheelhead general Drive motor kw 3.6 kw air cooled Peripheral grinding wheel speed m/s 35 KEL-UNIVERSAL Accessories Size measuring device for workpieces with uninterrupted surfaces control unit manually operated measuring frame 7 Permanent magnetic chucks Three-jaw chuck Lever-operated clamping attachment for the use of spring collets Schaublin B32 or Hardinge 5C adapter delivered with standard equipment Two-jaw steady rest Three-jaw steady rest 9 Table speed 10 Rapid motion control 11 Infeed interruption and acceleration 12 Cross-slide handwheel 13 Infeed zero-dead stop 14 Shiftknob coarse-gear 15 Infeed dial-ring clamping 16 Handwheel clamping Paperband coolant unit for the cleaning of the coolant by means of automatically fed filtration paper Wheelhead UR Grinding wheel dimensions, lefthand side mm 400 x 50 x 127 Grinding wheel dimensions, righthand side option mm 300 x 40 x 127 Internal grinding attachment Bore for spindles up to mm 80 Motor output kw main motor Workhead Rotational spindle speed min Driving torque spindle Nm 36 Spindle nose / internal taper MT5 / adapter ASA5 Swivelling range option degree Tailstock Internal taper MT4 Retraction of sleeve mm 30 Micro-adjustment option µm + / -15 Control system Control system hydraulic control Measuring systems Gap Control Marposs In-process gauging Marposs All specifications and designs are subject to alterations without notice Space required Competence and a world-wide partnership 8 First-class sales and service organization for all the major international markets with local well-trained staff. KELLENBERGER guarantees expert advice and support for evaluation, purchase, installation and services of our high-quality grinding systems. L. Kellenberger & Co. AG Heiligkreuzstrasse St.Gallen / Switzerland Phone +41 (0) Fax +41 (0) Sales and service in USA and Canada: Hardinge Inc. One Hardinge Drive P.O. Box 1507 Elmira, New York USA Phone +1 (607) Fax +1 (607) Sales and service in Great Britain and The Republic of Ireland: Your local KELLENBERGER Partner: Hardinge Machine Tools Limited Silverton Road, Matford Park, Marsh Barton, Exeter, Devon EX2 8NN Phone +44 (01) Fax +44 (01) Certified Management System ISO 9001: 2000
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