History. Frankenberg East Germany, 1945 Walter Hunger. Lohr am Main West Germany, Page 2

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2 History Frankenberg East Germany, 1945 Walter Hunger Lohr am Main West Germany, 1958 Page 2

3 The Hunger Group Wurzburg Frankenberg Lohr am Main Page 3

4 Hunger Hydraulic UK Ltd Twin Sails Bridge, Poole Upper Bank St. Canary Wharf, London Oyster Wave Power Generator From 1973 Royal Wootton Bassett Wiltshire Direct Chill Aluminium Casting Machines Retractable Keel, Mirabella V 8000 Tonnes Thrust Test Cylinder Page 4

5 PRODUCTS OVERVIEW

6 Cylinders Large & Customized Cylinders: Standard Cylinders: - Up to 2,5m bore diameter and 30 metres stroke - Single & Double Acting. Telescopic up to 50 metres stroke - Steel composite tubes and high strength rod materials - Production process according to ISO Projects with certification by: GL, DNV & TUV, ABS, etc. - Cylinders fully tested - Integrated control & Monitoring equipment - According to ISO, CETOP or NFPA - Up to 320mm bore diameter - Up to 220mm rod diameter - Up to 350 bar - C/W Hunger Sealing Technology - C/W Hunger Rod Coatings Page 6

7 Rod Coating Technologies Hard Chrome Plating - Most basic rod coating - Carried out in chrome plating baths - Available up to Ø1,5m Rod diameter and 13m length - Possible with single & double layers - Suitable for Stainless Steel Rods - Recommended for Machine Tools & Construction Machinery Page 7

8 Rod Coating Technologies Ceraplate CIPS Positioning System - Two thermally sprayed layers - Chrome-Titanium Metal Oxide Coating (Cr2O3/TiO2) - Nickel-Chrome Metallic bonding base layer - Improves significantly corrosion protection - Available up to 1m Rod diameter and 25m length hours Salt spray test, DIN EN ISO Printing, Chemical Industry & External Environments - CIPS (Rod integrated Positioning System) Page 8

9 Rod Coating Technologies Ultraplate - Cobalt based Stainless Steel Layer (CoCrWC) - PTA = Plasma Transferred Arc welding technology - Specially developed for Offshore Applications - Offers extremely high resistance corrosion protection - Layer completely homogenous and non porous - Protects carbon steel rods working in submerged salt water and splash zones. - DNV JIP - Test Program for Offshore coatings - Supplied in more than 700 cylinders Page 9

10 Hydraulic Seals - Hunger Seals with unique geometry - Suitable for hydraulic & pneumatic applications - Seals for rotary applications - Low wear & friction - Stick-slip free movements - Speeds up to 3 m/s - Pressures up to 2000 bar - Temperatures from -45ºC to 260ºC Standard Wiper HUNGER Ice Wiper Page 10

11 Honing Stones & Tools For internal and external honing. Excellent surface finish for bores and rods up to 0.1µm Product Range: - Diamond honing bars - Diamond honing tools - Ceramic honing stones - Dove-tail honing stones - Dove-tail honing tools Page 11

12 Spherical bearings - Rod Ends Spherical Plain Bearings: Steel/Steel Steel/PTFE maintenance free 20 mm to 1000 mm pin diameter -60 to 200ºC According to DIN 648 Stainless steel and special versions available Rod ends: Steel/Steel Steel/PTFE maintenance free Standard versions 20 mm to 160 mm pin diameter According to DIN 648 & ISO 6124/2 Special versions up to 1000 mm pin diameter Angular Contact & Thrust Bearings: Steel/Steel Steel/PTFE maintenance free From 20 to 360 mm pin diameter DIN & ISO dimensions. Special versions up to 1000 mm diameter Page 12

13 Rotary Actuator & Distributors Rotary actuators: Rack-Pinion design Single and Double rack versions Rotation up to 720 Torque output up to 190,000 Nm Various shaft configurations Standard and customs designs Rotary distributors: Builds up to 44 Channels Surface speed up to 6 m/s Pressure up to 400 bar Available for electrical applications Multiples Fluids & Electric signals Standard and custom designs Page 13

14 Hydraulic Power Packs - Complete solutions combined with cylinder projects - Customised designs - Installation and commissioning on site available Page 14

15 Service & Repairs - Available for all types of cylinders around the world - Principle of as much as needed, as little as possible - On site service available upon request Page 15

16 APPLICATIONS EXAMPLES

17 Application Examples Twin Sails Bridge. Poole - Dorset, UK 4-off Double Acting Cylinders. 580/360x3200mm Ceraplate with Ultraplate underneath at exposed rod area 2-off Main 270 kw & Auxiliary Hydraulic Power Units Stainless Steel maintenance free Bearings both ends EVD adjustable rod seal Page 17

18 Application Examples Great Wharf Road Bridge. Canary Wharf London, UK Largest Cylinder in UK 2-Stages telescopic cylinder Single Acting Ø910/Ø800mm x 18 metres total stroke, 40 tonnes weight Ceraplate rod coating EVD adjustable rod seals Maintenance free bearings Page 18

19 Application Examples Oyster Wave Power Generator. Orkneys, UK Double Acting Cylinders. 590/350x4000mm 5 years submerged in salt water before re-conditioning Ultraplate Rod Coating Stainless Steel Layer drawn inside the cylinder tube Water as working fluid Speeds up to 2m/sec. Seals and bearings specially developed to achieve low wear & friction and life time of 24 million cycles. Stainless Steel maintenance free bearings both ends Position and Pressure Transducers Page 19

20 Application Examples Aluminium Casting Cylinder Single acting plunger cylinder. Hunger Ceraplate rod coating Speeds as low as 10 mm/min Casting weight up to 250 tonnes Stroke up to 15 metres Internal Anti rotation device Integrated torque limiter Integrated position transducer Max ±4 minutes deviation over total stroke Page 20

21 Application Examples 8000 Tonnes Material Test Rig Machine Double Acting cylinder. 1220/760x305mm / 40 tonnes weight 8000 Tonnes thrust at 690 bar working pressure 1035 bar test pressure Low friction seals stick-slip free Integrated position & pressure sensors Hydraulic Power Unit operating with fine pressure control system Page 21

22 Application Examples Mirabella V, Retractable Keel Largest single mast yacht ever built with almost 100 metres Double acting cylinder 320/190x6000 mm Keel structure weight over 150 tonnes Ultraplate rod coating as Keel is always flooded with seawater Piston rod feeds the cylinder from the Rod end Stainless Steel & maintenance free bearings at both ends Page 22

23 Application Examples N-Line Tensioner Cylinders 6-off Double acting cylinders 560/230x15240 mm Compensate drill platform vertical movements Ultraplate Rod Coating Splash zone and submerged in seawater Low wear & friction seals Speeds up to 2m/sec Page 23

24 Application Examples Knuckle & Main Boom Crane Cylinders Holding control valves directly mounted on the cylinders Stainless steel piping and manifold block Cylinders designed for working pressures over 400 bar HUNGER seals for stick-slip free crane movement with low wear & friction Certification according to DNV lifting appliances 2008 or alternatively according to ABS rules for building and classing, steel vessel Page 24

25 Application Examples Fire Fighting Mast Cylinder Telescopic cylinder with lengths up to 15 metres Internal telescopic Stainless Steel tube for the extinguishing medium Flow up to 20,000 l/min &up to 100 bar water pressure More than 120 cylinders worldwide Page 25

26 Thanks for your attention HUNGER HYDRAULIC UK LTD Page 26