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Produkte-Übersicht

Universal Grinding Machine forthe highest demands

KEL-UNIVERSAL

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KEL-UNIVERSAL – The traditional universal grinding machine

Workhead n 6-600 min-1 with work holder MT5 adapter flange DIN 55026 #5

Adapterflange DIN 55027 with work holder MT5 adapter flange DIN 55027 #5

spring collets B32

Sine bar attachment direct fine angular setting by using

gauge blocks when grinding chucked workpieces

with inside or outside tapers

Splash guard to be used with standard workhead mounted on linear roller bearings

1 2 1 = 160 Nm2 = 130 kg

KEL-UNIVERSAL for grinding jobs in tool and die maker shops, for the grin-ding of small batches of components or of prototype pieces, for maintenance jobs, laboratories or special machine building facilities.Machine base with high static and dyna-mic 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 high-precision 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 accuracyRoundness for chucked work:Delta R<0.5 µm according to B.S. 3730.

Increased working accuracy Delta R<0.2 µm according to B.S. 3730.

Accessoires: Lever-operated clamping attachment power chuck

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KEL-UNIVERSAL

Tailstock with preloaded sleeve Sleeve located in preloaded ball bearings

Morse taper MT4 retraction of sleeve 30 mm

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 sleeveThe solid tailstock offers many qualities.

OptionMicro-adjustment

Upper table with anti-friction bearing pivot pin and fine adjustment of table swi-vel 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 +/- 0.01 mm Shortest oscillation travel 2.5 mm

Hydraulic and central lubrication systemTheir arrangement completely separated from the machine prevents undesirable effects, such as heat, vibrations etc., on to the machine base. Automatic lubrication for the wheel-

slide and for the table-slide guideways

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KEL-UNIVERSAL – Wheelhead

High-precision spindle bearings hydrodynamic spindle bearings

axial - radial adjustable clearance

Wheelhead for external, internal and face grinding precision-balanced drive motor

WheelheadThe universal wheelhead U has been de-signed 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 grin-ding wheel spindle and the finely balan-ced motor guarantee excellent surface quality.

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

Cross-slide with built-in ”rise and fall“- mechanism of the wheelhead. The total wheelslide travel of 220 mm can be ea-sily 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

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KEL-UNIVERSAL

Internal grindingID-grinding attachment with bore 80 mm for belt-driven grinding spindles. Belt guard Manually operated wheel guard Coolant feed through workhead spindle

Riser blocksThe very rigid machine construction and the large dimensions of the slide ways al-low the high-precision grinding of workpi-eces with large diameters. To increase the working range , the center height of 175 mm can be increased to 250 mm by using riser blocks.

Internal grinding internal grinding attachment with

80 mm bore use of belt driven internal

grinding spindles

Internal grinding spindles 28’000 42’000 60’000

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

Internal grinding / Accessories

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

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KEL-UNIVERSAL – Operating

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 0.001 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

Machine type Main specifications Distance between centres mm 600 1000 1500 Grinding length mm 600 1000 1500 Centre height mm 175 – 250 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 2100 4220 x 2100 5560 x 2100 Longitudinal / slide: Z-axis Travel mm 900 1300 1750 Rapid traverse speed m/min 6 Swivelling range of upper table degree 11 9 7 Wheelslide: X-axis Travel mm 220 / 40 Swivel devices Man. indexing / 2 .5° Hirth coupling all 90° / infinitely positioning Swivelling range degree +5 -195 Wheelhead general Drive motor kW 3.6 kW air cooled Peripheral grinding wheel speed m/s 35

Technical dataThe Kellenberger cockpit combines ease of use with its ergonomic design. The clear and unobstructed arrangement of the con-trols assures an optimal operation-comfort.The automatic working cycle and the single lever control are the essential ele-ments 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. 0.05 mm/dia.

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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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KEL-UNIVERSAL

All specifications and designs are subject to alterations without notice

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-1 6 – 600 Driving torque spindle Nm 36 Spindle nose / internal taper MT5 / adapter ASA5 Swivelling range option degree -30 +120 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

Size measuring device for workpieces with

uninterrupted surfaces control unit

manually operated measuring frame

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

Paperband coolant unit for the cleaning of the coolant

by means of automatically fed filtration paper

Space required

Two-jaw steady rest

Three-jaw steady rest

Accessories

5 Single-lever control 6 Infeed selector 7 Table reversing dwell 8 Table reversal

9 Table speed10 Rapid motion control11 Infeed interruption and acceleration12 Cross-slide handwheel

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

13 Infeed zero-dead stop14 Shiftknob coarse-gear 15 Infeed dial-ring clamping16 Handwheel clamping

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Competence and a world-wide partnership

Sales and service in USA and Canada:

Hardinge Inc.One Hardinge DriveP.O. Box 1507Elmira, New York 14902-1507 USAPhone +1 (607) 734 2281Fax +1 (607) 735 0570www.hardinge.comwww.kellenberger.cominfo@kellenberger.com

Sales and service in Great Britain and The Republic of Ireland:

Hardinge Machine Tools LimitedSilverton Road, Matford Park,Marsh Barton, Exeter,Devon EX2 8NNPhone +44 (01) 392 208 181Fax +44 (01) 392 208 199www.hardinge.com

L. Kellenberger & Co. AGHeiligkreuzstrasse 289009 St.Gallen / SwitzerlandPhone +41 (0) 71 242 91 11Fax +41 (0) 71 242 92 22www.kellenberger.netinfo@kellenberger.net

First-class sales and service organiza-tion for all the major international markets with local well-trained staff.KELLENBERGER guarantees expert ad-vice and support for evaluation, pur-chase, installation and services of our high-quality grinding systems.

Your local KELLENBERGER Partner:

Cer

tified

Management System

ISO 9001: 2000