The Making of the Safest Middle-European Winter Tire WinterContact TS - PowerPoint PPT Presentation

Bitte decken Sie die schraffierte Fläche mit einem Bild ab. Please cover the shaded area with a picture. (24,4 x 7,6 cm) The Making of the Safest Middle-European Winter Tire WinterContact TS 860 TM Dr. Holger Lange, Head of Winter Tire Development worldwide www.continental-tires.com

Vision Zero - World Map of Road Traffic Fatalities Contribution of Safety Technologies 25 1973: safety seat belt 1978: ABS 20 Traffic Fatalities [mio.] 1982: airbag 1985: front passenger airbag 15 1995/96: ESC, EBA, Euro NCAP 10 1998: ACC 2001: LDW 5 actual ww. 2014: 1.2m 0 1953 1960 1967 1974 1981 1988 1995 2002 2009

Vision Zero - Traffic Fatalities in the European Union Total Numbers Development over time since 2010 35,000 31,500 30,700 28,100 30,000 Traffic Fatalities 26,000 25,700 25,000 20,000 15,750 15,000 actual target 10,000 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Source: http://ec.europa.eu/roadsafety

Vision Zero - Traffic Fatalities in the European Union Fatality Rate per EU-State for 2010 and 2014 Traffic fatality rate per member state Traffic fatalities in the European Union (per 1 mio. inhabitants) for 2010 and 2014 (per 1 mio. inhabitants) 120 100 80 60 40 20 0 below 40 40 to below 60 60 to below 80 2014 2010 EU 2014 average 80 to below 100 100 and more Source: http://ec.europa.eu/roadsafety

Vision Zero – Continental joins Global NCAPs global Safety Campaign “# Stop the Crash” Targets › Create awareness of leading crash avoidance technology in emerging markets › Increase customer demand for vehicles to be equipped with these technologies Technology › Tire pressure and tread depth › ESC, AEB, motorcycle ABS As a leading worldwide automotive industry supplier and tire manufacturer, Continental is also a signatory to the European Road Safety Charter 2010.

Vision Zero Communication Four editions of VisionZeroNews p.a. Streets of safety – vision zero: The long way to zero road deaths

Continental`s Contribution for More Saftey on Wintry Roads Historical and Actual Portfolio of Continental Winter Tires TS 850P TS 860 TS 790 V TS 810S TS 830P V-W TS 860 TS 750 TS 770 TS 790 TS 830 TS 850 H CVC 6 IC 2 TS 740 TS 760 TS 780 TS 800 TS 810 CVC 5 CIC T MS 14 TS 729 TS 730 Conti Viking Stop 4000 CWV 1 Q 1952 1977 1994 1999 2002 2008 2010 2012 2014 2016 Continental Middle-European Continental Nordic

Requirements of a Winter Tire Target Conflicts in the Winter Tire Development Noise Wet Grip Rolling Resistance Snow Performance Handling Ice Performance

Highest Recommendation in Press Tests ContiWinterContact TS 850 Test Wins in 2015 Statistics Excellent product platform: › 48 test wins in the last 4 years › 61 out of 68 tests with highest recommendation (  90%)

WinterContact TS 860 Product Highlights Wet braking › Improved wet performance by high filled Snow handling Ice braking 105 silica compound › Improved snow handling due to 100 increased number of blocks with 3D Snow traction Mileage groove structure as additional grip edge › Improved low µ surface grip by multi channel sipe technology with Noise Hydroplaning drainage effect › EU label (rolling resistance/ wet/ noise): Rolling resistance Dry handling C/ B/ 2 waves ContiWinterContact TS 850 WinterContact TS 860

Development Focus of WinterContact TS 860 Safety on all Surfaces Safe on Performance Safe snow handling Safe wet braking low µ surfaces Liquid Layer Cool Chili™ Technology Snow Curve + Drainage™ Maximum Flexible Winter traction 3D-groove Multi channel Feature polymer performance silica structure sipe design matrix resins compound

Compounds The Chili-Family: Specialist for Specific Applications Micro-flexibility for interlocking with the dry road Max. force transmission for short braking distances Maximum grip combined with minimal rolling resistance at high handling level Maximum wet grip combined with excellent winter performance on snow and ice

Components of Winter Compounds Synthetic rubber Carbon black Accelerator Natural rubber Rapeseed oil Silica Activator Butadiene rubber Ozone protecting wax MES oil Stearic acid Anti-ageing agent Resins Zinc oxide Sulfur

Mixing Technology of High Filled Compounds Cool Chili Challenge Types of mixing › dispersive › Mixing is the distribution and dispersion of at least one component in another component whereas these components are different in chemical structure, aggregates, viscosity and particle size. › distributive

Mixing Technology of High Filled Compounds Dispersive Mixing Shape and size of particle are changed by shear forces

Mixing Technology of High Filled Compounds Distributive Mixing Shape and size of particle remain unchanged Material A Material B

Mixing Technology of High Filled Compounds Incorporation by Laminar Mixing By shear and elongational flow the contact surfaces of the materials increase Material A Material B

Mixing Technology of High Filled Compounds Rotor Shape (Tangential) rotor tips pass

Mixing Technology of High Filled Compounds Rotor Shape (Intermeshing) rotor tips intermesh

Mixing Technology of High Filled Compounds Comparison of Tangential and Intermeshing Mixers Mixer type tangential intermeshing Energy input O ++ Cooling efficiency O ++ Dispersion efficiency O ++ Loading efficiency ++ O Intermeshing mixer is more effective but less efficient

Mixing Technology of High Filled Compounds Compound trends for mixing › Dispersion level for high filled Cool Chili™ compounds › Efficient energy input maximum flexible winter traction polymer performance silica matrix resins compound › Realized by applying a customized mixing process

Mixing Technology of High Filled Compounds Mixer Technology Customized processing › Optimized advanced process enhances the material related borderlines for fillers › Compounds are tweaked to ensure conventional mixing optimized and stable processing behaviour throughout further processing advanced mixing

Mixing Technology of High Filled Compounds Advanced Mixer Technology Exceeding material related borderlines in mixing › Dispersion of a high filled compound Dispersion level with conventional mixing technology Dispersion level with a advanced mixing process

Performance of WinterContact TS 860 The European Tire Label TS 860 155 wet braking [WGI] 140 TS 850 125 110 1,20 1,05 0,90 0,77 0,65 rolling resistance (cr)

Development Focus of WinterContact TS 860 Safety on all Surfaces safe on Performance safe snow handling safe wet braking low µ surfaces Liquid Layer Cool Chili™ Technology Snow Curve + Drainage™ maximum flexible winter traction 3D-groove multi channel Feature polymer performance silica structure sipe design matrix resins compound

Pattern of WinterContact TS 860 Safety on Snow Surfaces Directional pattern concept › No circumferential grooves › Increased numbers of block edges

Pattern of WinterContact TS 860 Safety on Snow Surfaces Directional pattern concept › No circumferential grooves › Increased numbers of block edges › High numbers of sipes which have a total length of 2.5 m in the footprint

Pattern of WinterContact TS 860 Changes in Structure Factor block edges 0° 1000 TS 850 TS 860 500 y = +90° y = -90° mm -1000 -500 0 500 1000 sipe edges 0° TS 850 1500 TS 860 1000 500 y = -90° y = +90° -1500 -1000 -500 0 500 1000 1500 mm

Pattern of WinterContact TS 860 The 3D Groove Structure Technology › Increased number of grip edges › More grip › Higher transmission forces on snowy surfaces

Development Focus of WinterContact TS 860 Safety on all Surfaces safe on Performance safe snow handling safe wet braking low µ surfaces Liquid Layer Cool Chili™ Technology Snow Curve + Drainage™ maximum flexible winter traction 3D-groove multi channel Feature polymer performance silica structure sipe design matrix resins compound

Development Focus of WinterContact TS 860 The Multi Channel Sipe 2015 2012 Multi channel Adaptive sipe 1999 2004 sinus sipe Honeycomb 1998 Grip-sipe sipe 1994 CLS-sipe 1989 1975 Deep sipe 1952 Open sipe Caught sipe Winter Properties Simple sipe 1952 2015

New Sipe Technology of WinterContact TS 860 Safety on Low µ Surfaces Directional pattern concept › No circumferential grooves › Increased numbers of block edges › High numbers of sipes which have a total length of 2.5 m in the footprint › New sipe technology

New Sipe Technology of WinterContact TS 860 Safety on Low µ Surfaces

Development Focus of WinterContact TS 860 Liquid Layer Drainage by Multi Channel Sipes Technology › Vertical channels guide the water flow to the horizontal drainage system › The water is removed from the contact area to the pattern grooves

Development Focus of WinterContact TS 860 Liquid Layer Drainage by Multi Channel Sipes

Development Focus of WinterContact TS 860 Safety on all Surfaces safe on Performance safe snow handling safe wet braking low µ surfaces Liquid Layer Cool Chili™ Technology Snow Curve + Drainage™ maximum flexible winter traction 3D-groove multi channel Feature polymer performance silica structure sipe design matrix resins compound