Used Berger Prallmühle for sale (284)

Condition: used, Year of construction: 2002, grinding diameter 450 mm grinding length 1500 mm centre height 225 mm Control FAGOR EQUIPEMENT - T1: grinding wheel diameter 500 mm - T2: grinding wheel diameter 400 mm Bljdpfx Asuxfu Nsf Aon - T6: HF Fischer spindle MFV or MFZ 1224/1242/1260 - T7: HF Fischer spindle MFV or MFZ 1224/1242/1260 - Marposs tool measurement - active longitudinal positioning - Elaso GAP-control on T1 and T2 contactless integrated in the control surface - Elaso GAP internal grinding with fluid sensor for T6 and T7 - semi-automatic balancing by Elaso integrated in the control surface for T1/T2 - tailstock hydraulic with fine adjustment +/- 150 microns - dresser on workpiece spindle side table mounted - dresser on tailstock side table mounted - dresser on upper table - new service- and userfriendly housing SPECIAL EQUPEMENT: Workhead with direct drive - strongly recommended for non-circular grinding - workpiece weight flying max. 75kg - workpiece weight between centres 150kg - water-cooled B-axis with direct drive - center height 225 mm - extremely torsionally stiff - highly accurate positioning - resolution ° - water-cooled Hydrostatic ball screw - x-axis - wear-free, as there is no contact during operation - no loss of precision, even during long-term use at full load and maximum speed - no friction at low speeds - no friction force backlash when the direction of rotation changes - translates even the smallest rotational movements - no stick-slip effect even at low speeds - no fluctuations in frictional torque due to ball circulation - higher axial stiffness compared to ball screws - significant improvement in damping, resulting in better workpiece surface finish and tool life - no oscillations due to ball circulation - also suitable for high speeds and accelerations - cost-effective alternative to the linear motor with greater precision and significantly lower heat generation - significantly less power dissipation and, as a result, no problems with swarf on permanent magnets New hydraulic unit - optimized temperature control (chiller) - Energy-saving Only one pump controlled by VFD - Pressure monitoring - monitoring of the hydrostatic oil for water content. (Damage to the bellows is recognised and detected prematurely) -fine adjustment +/- 150 microns Paper belt filter 375l – alternative 480l Grinding mist extraction system – emulsion MECHANICAL OVERHAUL -complete machine according to Kellenberger protocoll -new painting ELECTRICAL OVERHAUL - new modern Fagor CNC with BEMA HMI - new electric cabinet - new digital drive technology - replacement of all electrical cables, switches etc. - new absolute external scales in x- and z-axis - new absolute encoder (B-axis) Grinding software BEMA-Standard: - workpiece zeroing - grinding wheel zeroing - dressing diamond measuring - corrections - external and internal surface grinding - external and internal angle grinding (turning of the b-axis, dressing with straight wheel) - external and internal radius grinding (radius dressed on wheel) - semi-automatic traverse grinding - workpiece zeroing - 2 dressing diamonds - 1 dressing blade - dressing roll - 3 flat dresser - corrections - Z-position measurement - GAP control Optional grinding cycles at no extra charge: Profile plunge grinding: - external and internal profile plunge grinding with profile wheel Pr...

Condition: excellent (used), The item for sale is a three-phase electric motor with an electromagnetic brake, manufactured by ABM Greiffenberger Antriebstechnik. Technical data: Blodpfx Afezw E Nio Asn Manufacturer: ABM Greiffenberger Antriebstechnik GmbH Type: EFB3/4D90LB-4 Motor number: F558779 0017 TNR: 020017992 Power: 2.2 kW Voltage: 200–254 / 346–440 V Connection: Δ/Y Current: 9.2/5.3 A Rotational speed: 1350 rpm Frequency: 50 Hz Power factor: cos φ 0.84 Operating mode: S1 Protection class: IP54 Insulation class: F Electromagnetic brake Braking torque: 22.6 Nm Brake voltage: 220 V Brake current: 0.42 A Made in Germany The motor is used and comes from the dismantling of an industrial installation. It shows signs of use and storage, including scratches, paint defects, and localized corrosion. Note: The terminal box cover is missing – the terminals and electrical installation are exposed. The condition and scope of the sale are accurately shown in the photos.

Condition: used, 3 flanges for type 600 U – available for sale individually or as a set Bljdpfx Aozwxufef Asn

Condition: excellent (used), Year of construction: 1997, grinding diameter 80 - 250 mm grinding length 600 mm centre height 175 mm longitudinal feed 750 mm workpiece turning speeds 6 - 600 U/min Bledsyb S Rcspfx Af Ajn grinding spindle speed 1500 - 3600 U/min cross movement - autom. and by hand 320 mm Control Kelco 80 weight of the machine ca. 4,4 t dimensions of the machine ca. 3,1 x 2,1 x 2,0 m

Condition: used, Year of construction: 1977, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0,001-0,030 mm/Ø 0-0,95 mm/Ø ±8 ° longitudinal feed of the table 1300 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannugkg kg 70 mm total power requirement 6,5 kW weight of the machine ca. 2,5 t dimensions of the machine ca. 4,2 x 2,0 m Neu geliefert an Universität. 2018 übernommen. Bljdpfx Afoynmpge Aen Dann komplett bei BEMA gewartet und an an Einmannbetrieb geliefert. Nun wird die Maschine nochmal gewartet und Tischgeometrie neu hergestellt. 2-Achsen-Digitalanzeige Fagor nachgerüstet. -Reitstock mit Feinverstellung -Innenschleifeinrichtung -Kühlmittelanlage Zubehör auf Anfrage

Condition: used, TECHNICAL DETAILS Bedpsyn R I Tefx Af Ajln - center height : 320 [mm] GRINDING WHEEL HOLDER HEADSTOCK - Left grinding wheels dimensions : 400 x 50 x 127 [mm] - Right grinding wheels dimensions : 225 x 20 x 76,2 [mm] - Power : 3 [kW] - Spindle speeds : 3000 [rpm] - Orientation of grinding wheel holder headstock : 270 [°] PART-HOLDER HEADSTOCK - Orientation of part holder headstock : 360 [°] - Spindle speeds : 20 - 400 [rpm] - Spindle internal cone : Morse 5 - Power : 0.9 [kW] POWER SUPPLY - Supply voltage : 380 [V] EQUIPMENT - Automatic cycle work (rough part, finishing and reverse) - Heidenhain display - Coolant tank * with paper filtering unit - 1 internal grinding spindle : 12000 [rpm]

Condition: good (used), Year of construction: 2007, 1 used CNC tool grinding machine Make: Schneeberger Model: Corvus GDS 650 Year of manufacture: 2007 CNC Control: FANUC 160i Software: Quinto 4.3 Activated software options (option numbers): 1, 2, 19, 21, 22, 30, 31, 32, 35 - Fanuc loading robot - Coolant system Travel: X-axis: 650 mm Y-axis: 300 mm Z-axis: 300 mm C-axis swivel range: +150°/ -60° Blodpju A Dn Nefx Af Aon C’-axis swivel range: +/- 180° Grinding spindle: Wheel diameter up to 250 mm Speed: 0 – 10,000 rpm Max spindle power: 26 kW HSK 80 interface Max. number of wheels: 6 Workpiece spindle head: Vmax: 180°/s Drive power: 1.6 kW ISO 50 interface Precision (resolution): Linear axis resolution: 0.001 mm C-axis: 0.001° Dimensions: Length: 3,100 mm Width: 1,915 mm Height: 2,190 mm Weight: 8,500 kg U-axis is integrated with steady rest, clamping cylinder, and tailstock 6-pallet loader (diameter 3 to 32 mm) 64 plastic collets Technical data subject to change without notice

Condition: used, Technical details: grinding length: 300 mm centre height: 175 mm swing diameter: 315 mm table clamping surface LxW: 1.800 x 200 mm control: Heidenhain Longitudinal adjustment of grinding unit on table max.: 1100 mm work piece spindle speed: 3steps/1500-2200 U/min feed continuous: 0,001-1 mm Max. travel x-axis: 300 weight of the machine ca.: 3,1 t dimension machine approx.LxWxH: 2,9 x 1,6 x 1,4 mm Swivel for right and left machining Automatic table reversal Tailstock: MK3 holder Operation: Manual control unit/foot switch Bledpozaunzsfx Af Ajn Coolant: System with feed Heidenhain measuring device *

Year of construction: 1976, condition: ready for operation (used), functionality: fully functional, center height: 125 mm, center width: 600 mm, year of last overhaul: 2026, The machine underwent a comprehensive retrofit in 2026! New centering point with carbide insert on the workpiece spindle stock Tailstock with MK-3 mount and air lift Adjuster on the tailstock New centering point with carbide insert on the tailstock 2 grinding wheel flanges 1 new grinding wheel 1 internal grinding spindle Completely renewed paper band filter with new filter fleece and circuit Completely overhauled, steplessly adjustable grinding spindle motor Automatic grinding cycle with dwell time and shut-off Machine geometrically completely overhauled Guides ground and scraped Hydraulic cylinder overhauled New piston rod and seals Machine body and assemblies blasted, primed and completely painted TECHNICAL DETAILS Center height: 125 mm Center distance: 600 mm Grinding wheel flange dimensions: 400 × 50 × 127 mm Bedpfx Afezr Ep Ee Ajln Speed of internal grinding spindle: 14,000 rpm EQUIPMENT Workpiece spindle stock standard with MK-5 mount, swiveling Stepless speed control via potentiometer

Condition: used, Year of construction: 1982, grinding diameter 630 mm grinding length 600 mm centre height 320 mm Maschine wird überholt nach Kellenberger Messprotokoll und neu lackiert. Die anfällige Güttinger Steuerung wird durch die zeitgemäße BEMA X Steuerung ersetzt. Das heißt die Maschine erhält in diesem zuge auch eine komplett neue Elektrik. Siehe Beispielfotos. Maschine mit verstärktem Werkstückspindelstock zum fliegend Schleifen von schweren Werkstücken. Bodpfx Asvq R Uzjf Asln Die Werkzeugmaschine entspricht zum derzeitigen Zeitpunkt nicht den grundlegenden Sicherheits- und Schutzanforderungen wie in der BetrSichV 2015 genannt. Eine Anhebung des erforderlichen Mindest-Schutzzieles ist mittels einer Gefährdungsbeurteilung nach BetrSichV zu ermitteln.

Condition: excellent (used), with internal grinding attachment Center height 125 mm Distance between centers 1000 mm Table size 1650 x 145 mm Grinding wheel 400 x 50 x 127 mm Grinding wheel speeds 1'500 - 2'200 rpm Bjdpfxey H Dq Hs Af Ajln Grinding head turnable 270° Grinding wheel 225 x 20 x 76.2 mm Misc. accessories MARCELS MASCHINEN AG

Condition: used, KELLENBERGER KEL-VARIA R175 x 1500 is a CNC cylindrical grinder engineered for high precision, top accuracy and reliable production. Capacities: centre height 175 mm, distance between centres 1500 mm, Z-axis 1650 mm, workpiece weight on centres max. 150 kg; grinding wheel Ø500×80 mm (bore 203 mm) or Ø400×63 mm (bore 127 mm); max wheel travel 320 mm. Key specs: wheel speeds stepless 1000–2150 rpm (peripheral speed 45 m/s); feed 7500 mm/min; work spindle swivels -10/+100° with 8–800 rpm; permitted load 160 Nm; grinding spindle motor 7.5 kW; work spindle motor 2 kW; 3×400 V 50 Hz; rapid 15 m/min; approx. weight 6000 kg; dimensions 4700×2300×2000 mm; air 6 bar. Accessories: coolant system, paper filtration, MARPOSS touch probe, set of grinding wheels, rotary centre, set of centers, set of workpiece drivers, set of throat gauges, lamp, 2 tool cabinets, tailstock with fine adjustment, oil mist extractor, spindle nose for collets. Achieves tight tolerances; typical applications: automotive, watchmaking, machine tool Bodpfxjyxn Its Af Asln

Condition: used, Year of construction: 2026, grinding diameter 350 mm grinding length 1500 mm centre height 175 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0,001-0,030 mm/Ø 0-0,95 mm/Ø ± 6 ° longitudinal feed of the table 1750 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannugkg kg 80 mm total power requirement 6,5 kW weight of the machine ca. 2,9 t dimensions of the machine ca. 5,6 x 2,0 m Komplett überholt mit Umbau auf Technik der modernsten Bjdpfxoy R Edvj Af Ajln Ausführung. -Neuer Schaltschrank -Modernes Hydraulikaggregat -Moderner Werkstückspindelstock -Moderner Reitstock mit Feinverstellung -Moderner Steuerblock,Zustellung,Getriebekasten -Innenschleifvorrichtung für Spindeln mit 80mm Durchmesser -Schwenkwinkelanzeige Schleifspindelstock -Schleifwinkelanzeige Obertisch -Luftabhebung Obertisch -Reitstock mit Feinverstellung -Sinuslineal -stufenlos regelbare Schleifspindeldrehzahl 70-100% -stufenlos regelbare Innenschleifspindeldrehzahl 70-100% -Auf Wunsch Umbau auf separaten Innenschleifspindelantrieb mit Kühlung und regelbarer Innenschleifspindeldrehzahl 0-100% -Spritzschutztüren z-Achse Optionen: Schwenkwinkelanzeige Werkstückspindelstock Schwenkwinkelanzeige Schleifspindelstock Schwenkwinkelanzeige Obertisch Teilraumverkleidung in X sowie Sonderwünsche

Condition: new, Year of construction: 2026, functionality: fully functional, saw blade diameter: 520 mm, CNC-controlled double-head mitre circular saw with electronic saw head tilting A high-performance circular saw designed for precise and efficient cutting of profiles made from aluminium, non-ferrous metals, and various plastics. The machine can be used for individual cuts—sawing the profile simultaneously with two saw heads—or in automatic mode, where the double-head saw operates as a single-head saw automation system. Electronic mitre adjustment of the saw heads. Bledpfszhkazex Af Ajn Mitre angles are infinitely programmable between 20° and 135°. Saw blade drive power: 2 x 2.2 kW Saw blade diameter: Ø 520 mm Maximum cut length with both saw heads operating simultaneously: 4,000 mm or 5,000 mm Maximum / minimum cut length in automatic mode: unlimited (the profile is pushed and pulled) Roller conveyor travel length: 2,300 mm Maximum space requirement: approx. 7.2/8.2 m (saw unit fully to the right) x 1.25 m x H 1.6 m Weight: approx. 1,500 kg / 1,700 kg - CNC control with a touchscreen and color graphics on a mobile operator’s panel - Import and export of CSV / LTE files (for loading cutting lists from external design software) - Graphical profile display Optionally equipped with a label printer.

Condition: used, Year of construction: 1999, 50MM GRINDING ARBOR 300 MM MAX. GRINDING LENGTH 330 MM MAX. TOOL DIAMETER GRINDING MOTOR 1,1 KW FEEDMOTOR 0,045 KW COOLING PUMP 0,08 KW DEVIDING DISK FOR AUTOMATIC HEAD ROTATION DIMENSIONS ARPR. 1,40 X 0.9 X 1,40 M WEIGHT APPR. 375 KG Bljdpfx Afjztv Nrj Ajn

Year of construction: 2000, condition: excellent (used), Thread cutting machine make ROTHENBERGER TYPE:3S-G year of construction ca.2000 Without cutting head with pipe cutter and end burr device. Blodpfxomn Thhj Af Asn Runs with V230 current. In top condition, like new.

Condition: used, grinding diameter 250,350,450 mm grinding length 1000 mm centre height 125,175,225 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0,001-0,030 mm/Ø 0-0,95 mm/Ø ±8 ° longitudinal feed of the table 1300 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannugkg kg 70 mm total power requirement 6,5 kW weight of the machine ca. 2,5 t dimensions of the machine ca. 4,2 x 2,0 m As the world’s leading company in Kellenberger overhaul and retrofit we are not only able to deliver machines in a quality similar to a new machine and with warranty, but we can also offer you the service for your o von Kürzlich gelieferten Maschinen mit zusätzlichen Optionen wie: -Spritzschutztüren -Kabine x-Achse -Schwenkwinkelanzeige Schleifspindelstock Geometrisch überholt und neu lackiert mit original Elektrik. Maschine hat Zentralschmierung und Rollenführung in der Flachbahn der x-Achse sowie Luftabhebung im Schleifspindelstock serienmäßig. -Digitalanzeige in 2 Achsen. Auflösung x-Achse 0,5my Optionen: -Drehgeber mit digitaler Anzeige im Werkstückspindelstock -Drehgeber mit digitaler Anzeige im Schleifspindelstock (keine Höhenverstellung mit Spindel möglich) -Neue stabile Innenschleifvorrichtung Durchmesser 80mm oder 100mm mit Höhenjustierung. -Erhöhung der Spitzenhöhe auf max. 225mm -Drehzahlregelung für die Schleifspindel Inklusive: -Bedienwerkzeug -Spannrohr für Futter weiteres Zubehör auf Anfrage. Bedpjuxftxsfx Af Asln Die Werkzeugmaschine entspricht zum derzeitigen Zeitpunkt nicht den grundlegenden Sicherheits- und Schutzanforderungen wie in der BetrSichV 2015 genannt. Eine Anhebung des erforderlichen Mindest-Schutzzieles ist mittels einer Gefährdungsbeurteilung nach BetrSichV zu ermitteln.

Condition: used, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm dimensions of the machine ca. 3,6/3,5 m As the world’s leading company in Kellenberger overhaul and retrofit we are not only able to deliver machines in a quality similar to a new machine and with warranty, but we can also offer you the service for your is: Kellenberger Kel-Varia Baureihe mit Kelco 90 Steuerung. Mechanische Überholung: -komplette Maschine nach Kellenberger Messprotokoll überholt -Neue servicefreundliche Kabine -Neulackierung Bsdpfsuwv H Hsx Af Asln Elektrische Überholung: -Neue moderne CNC-RUNDSCHLEIFMASCHINEN-Steuerung -Neu aufgebauter Schaltschrank -Neue Antriebstechnik -Austausch sämtlicher elektrischer Leitungen Berus Druckschalter etc. -Neue Absolut-Glasmaßstäbe in x- und z -Neuer Absolut Drehgeber (Bei-B-Achse) Standardausstattung: -WSS mit Konus MK5, optional mit Adapter MK5/Kurzkegel -RST mit MK4 Konus. Optional mit Feinverstellung -Schleifspindelstock T1/T2/T3 -T1 Schleifscheibendurchmesser 400mm -T2 Schleifscheibendurchmesser 300mm -T3 Innenschleifeinrichtung riemengetrieben. -Schleifspindelmotor 4,4kW -B-Achse hochauflösend -Marposs Messsystem zur Schleifscheibenvermessung. -Längspositionierung Marposs -GAP Control (Sensor am Schleifspindelstock) Optionen gegen Aufpreis: -HF Innenschleifspindel -Hochgenauer, höchst kippsteifer Werkstückspindelstock -Messteuerung Die Werkzeugmaschine entspricht zum derzeitigen Zeitpunkt nicht den grundlegenden Sicherheits- und Schutzanforderungen wie in der BetrSichV 2015 genannt. Eine Anhebung des erforderlichen Mindest-Schutzzieles ist mittels einer Gefährdungsbeurteilung nach BetrSichV zu ermitteln.

Year of construction: 2008, condition: used, Case packer für 10 and 6 packs of 330 ml disposable bottles. Inclusive videojet printer dating machine construction year 2016. The line is controlled via a S7 Touchpad. Voltage: 400 V Compressed air: 6 bar Length: 5,4 m Width: 1,15 m Height: 1,95 m Blsdjvcqn Eepfx Af Asn Weight: 700 kg Base construction: on feet Features: Inkjet Dating machine construction year 2016, hot glue unit

Year of construction: 2015, condition: excellent (used), On behalf of a client from Switzerland, I am offering this machine for sale. It has 5,200 operating hours and is in excellent condition. Used for prototype construction, currently in operational condition. Equipped with: Grinding head UR T1 500 x 80; T2 400 x 63 1 internal spindle HF MFM 1224/42 1 internal spindle HF MFM 1290 Semi-automatic balancing device KEL-TOUCH on the workpiece spindle head for internal and external grinding KELSET grinding wheel measuring system KELPOS longitudinal positioning Heidenhain CNC GrindPus 640 Bedpsgtingjfx Af Aoln CNC B-axis, hydrostatic CNC C-axis for polygon and thread grinding KELSOFT NCG for non-circular grinding KELTHREAD for thread grinding KELREMOTE for remote diagnostics Prepared for measuring controls Paper band filter Streuli 480 l Extraction system Available for immediate delivery from Switzerland.

Year of construction: 2010, condition: ready for operation (used), Usable space: 7.7m³, max. temperature: 250°C, heating output: 54kW, volume flow: 15m³/min. Bedpoilhucsfx Af Asln

Year of construction: 2003, condition: excellent (used), Schneeberger DMR Gemini CNC tool grinding machine TECHNICAL DATA Control: GE Fanuc 160, 5 axes simultaneous Software: Schneeberger Quinto Blodpomqni Aefx Af Aon Measuring system X,Y and Z axis: 0.1 μm A-axis: 0.0001° C axis: 0.0001° Grinding head Power: 15 kW speed: 50 - 10`000 rpm spindle nose: HSK 50 Max. wheel diameter: 250 mm Max. Number of grinding wheels: 6 Linear axes X-axis, travel: 380 mm feed speed: 20`000 mm/min resolution: 0,0001 mm gear ratio: 1 : 1 Power: 1,0 kW / 3 Nm Y-axis, travel: 300 mm feed speed: 5`000 mm/min resolution: 0,0001 mm Gear ratio: 24 :4 Power: 1,6 kW / 8 Nm Z-axis, travel: 280 mm feed speed: 20`000 mm/min resolution: 0,0001 mm gear ratio: 1 : 1 Power: 1,0 kW / 3 Nm Rotary axes C-axis: 210 ° Speed: 72 ° / s Resolution: 0,0001 ° Power: 1.6 kW / 8 Nm C` axis: +- 180 ° Speed: 90 ° / s Resolution: 0,0001 ° Infeed: Hydraulic A axis: +- 360 ° Speed: 225 ° / s resolution: 0,0001° Power: 1,0 kW Nose: ISO 50 Center height: 210 mm Dimensions and weight Length: 1700 mm Depth: 2270 mm Height: 2260 mm Weight: 8`000 kg We do not guarantee the accuracy, completeness and timeliness of the information.

Condition: ready for operation (used), functionality: fully functional, TECHNICAL DETAILS - Distance between centers: 1000 [mm] - Centers height: 125 [mm] Bljdpfx Ajxphcisf Asn - Table swivel: -/+ 8 [°] - Universal wheelhead - Grinding wheel dimensions: 400 x 50 x 127 [mm] - Motor power: 3 [kW] - Spindle speed: 1500 / 1700 / 2200 - Grinding wheel holder orientation: 270 [°] (3 x 90°) Headstock - Bore for internal spindle: 90 [mm] - Part holder headstock orientation: 180 [°] - Spindle speed: 20 - 400 [Rpm] - Spindle internal taper: Morse 5 - Motor power: 0.9 [kW] - Tailstock inner taper: Morse 4 - Tailstock sleeve travel: 30 [mm] - Dimensions: 2860 x 1680 x 1670 [mm] - Weight: 2,500 [kg]

Condition: excellent (used), Kellenberger 1000U cylindrical grinding machine with many accessories available at a low price. This machine is in very good condition and is fully functional. It was purchased as a completely overhauled unit in 2019. Price greatly reduced!!!!! Bodpfx Afjwkt Eue Aeln

Condition: like new (used), Tool Grinder Brand:Schneeberger Type:11 ARIES Nro13901 Bjdpfx Asllwx Eof Ajln Tool sharpener Schneeberger with accessories Stock no:2001616TKG