Continental SportContact 6 How to Deliver the Sportiest ...

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(24,4 x 7,6 cm)

Continental SportContact 6

How to Deliver the Sportiest SportContact Ever? Burkhard Wies

www.continental-tyres.com

http://www.continental-tyres.com/



SportContact 6

Public

Agenda

26.08.2015

2 © Continental

Market Development Europe 1

Product Positioning & Requirements 2

Realization Concept 3

SportContact 6 – Solution Concept 4

SportContact 6

Public

26.08.2015

© Continental 3

Marketing Market Development Europe

Market Development U-UHP = 19"–23" Europe

0

500.000

1.000.000

1.500.000

2.000.000

2.500.000

3.000.000

3.500.000

4.000.000

4.500.000

5.000.000

19" 20" 21"+

2014 2015 2016 2017 2018 2019 2020

Yearly growth 2014–2020

19"–23" 19" 20" ≥21"

+ 9% + 8% + 10% + 14%

The U-UHP market in Europe will

continue to develop positively.

In particular, 21" and larger will

grow strongly.

Figures estimated by Continental.

SportContact 6

Public

Agenda

26.08.2015

4 © Continental





SportContact 6

Public

ContiEcoContact 5

Conti.eContact

ContiPremiumContact 5 ContiSportContact 5

ContiForceContact Track

14" 15" 16" 17" 18" 19" 20" 21" 22" 23"

Ultra-UHP

HP/UHP

Eco

UltraEco

26.08.2015

© Continental 5

Incl. S

UV

Product Portfolio Continental PLT Summer Tyres

SportContact 6

SportContact 6

Public

26.08.2015

© Continental 6

Requirements Guiding Principle

The new SportContact 6

The sportiest SportContact ever

› Maximum Grip

› Maximum dry & wet performance

› Maximum stability & safety

› Maximum Precision

SportContact 6

Public

Agenda

26.08.2015

7 © Continental





SportContact 6

Public

26.08.2015

© Continental 8

Realization Concept Maximum Grip & Precision

Cornering

Cornering

Power

Kamm‘s / Friction Circle

Acceleration Braking

We

t G

rip

& H

an

dli

ng

Dry Grip & Handling

CSC 5P SC 6

CSC 5P

SC 6

SportContact 6

Public

26.08.2015

© Continental 9

Realization Concept Maximum Precision

› Gradient defines steering wheel angle effort

› Progression defines steering linearity

Objective Vehicle Measurement

Flat

0

1

2

3

4

5

6

7

0 10 20 30 40 50

La

tera

l A

cc

ele

rati

on

[m

/s2]

Steering Wheel Angle [°]

sharp

SC6

flat

SC 6

sharp

flat

SportContact 6

Public

26.08.2015

© Continental 10


Cornering Stiffness as Development Critieria

Fy Fzfront

Lateral Forces are generated by tyre deformation

Fy

Driving Direction

SportContact 6

Public

0

500

1000

1500

2000

2500

3000

3500

0 2000 4000 6000 8000

Co

rne

rin

g St

iffn

ess

Ca

in N

/°

Wheel Load Fz in N

26.08.2015

© Continental 11


Example: All-round Fit on Standard Vehicle

245/35 R 20 SC 6

too sharp

too flat

Wheel load rear

Wheel load front

SportContact 6

Public

26.08.2015

© Continental 12


Ca

Rea

r A

xle

(R

A)

Ca Front Axle (FA)

min RA Ca Front Axle (FA)

Ca Rear Axle (RA)

Target Cornering Stiffness Corridor for Front & Rear Axle

SportContact 6

Public

26.08.2015

© Continental 13


Total Cornering Stiffness Results of a Serial Connection of Springs for Body & Contact Area

EIside

EIin-plane Gtread

1

Ca

1

CaContact

1

CaBody

Vertical

Direction

Longitudinal

Direction

Lateral

Direction

Elin-plane

SportContact 6

Public

26.08.2015

© Continental 14


1

Ca

1

CaContact

1

CaBody

Ca

Fz ~ lFOP

CaContact ~ Gtread x l2 FOP

CaBody ~

CIN-PLANE

lFOB

[Conti Knowledge]

Pattern/Tread design,

Compound Stiffness,

Crown Construction

Crown & Sidewall

construction,

Material selection

(e.g. cap ply strength)

lFOP

Fz=7500N Fz=3000N

lFOP

SportContact 6

Public

26.08.2015

© Continental 15

Realization Concept Maximum Grip

Wet Braking Performance

0

10

20

30

40

50

60

70

80

90

0 5 10 15 20 25 30 35 40

Veh

icle

Vel

oci

ty v

[km

/h]

Distance s [m]

Stopping Distance s

SC 6

sharp

flat

s: Stopping distance

µ: Mean tyre-road friction coefficient

v0: Initial speed

g = 9.81 m/s2

s

1

2

v2

µ · g

v0 0

SportContact 6

Public

0,0

2,5

5,0

7,5

10,0

-0,5 0 0,5 1 1,5 2 2,5 3 3,5 Decele

rati

on

a [m

/s²]

Time [s]

26.08.2015

© Continental 16


Vehicle & Wheel Dynamics During ABS Wet Braking

0 10 20 30 40 50 60 70 80 90

100

-0,5 0 0,5 1 1,5 2 2,5 3 3,5

Velo

cit

y v

[km

/h]

Time [s]

Wheel slip variation due to active ABS

Constant deceleration due to stable ABS working condition

Vehicle velocity

Wheel velocity front right

Wheel velocity rear right

Wheel velocity front left

Wheel velocity rear left

a µ · g

SportContact 6

Public

0

5

10

15

20

25

30

0 1 2 3 4 5

Fre

qu

en

cy o

f O

cc

ure

nce

[%

]

Slip-Speed vs [m/s]

26.08.2015

© Continental 17


Distribution of Characteristic Wheel Slip Speeds

ABS Operating Point

vs

Ffriction

Tread Block Dynamics Characteristic tyre slip

velocity during braking

SportContact 6

Public

26.08.2015

© Continental 18


0

0,2

0,4

0,6

0,8

1

1,2

Lo

ng

itu

idn

al F

orc

e C

oeff

icie

nt

µ

Tyre Slip [%]

Compound 1

ABS Operating Point

Measurement at inner drum test

rig on wet asphalt. v=80 km/h

0 5 10 15 20 25

› ABS system operates the tyre at a wheel slip for

which the maximum forces can be transmitted

SportContact 6

Public

0

0,2

0,4

0,6

0,8

1

1,2

Lo

ng

itu

idn

al F

orc

e C

oeff

icie

nt

µ

Tyre Slip [%]

0

0,2

0,4

0,6

0,8

1

1,2

Compound 2

Impact of Compound

Grip Performance

26.08.2015

© Continental 19


› Maximum transmittable forces are determined by

compound grip performance

› Overall braking performance is determined by

tyre and ABS system

Compound 1

ABS Operating Point

Measurement at inner drum test

rig on wet asphalt. v=80 km/h

0 5 10 15 20 25

SportContact 6

Public

Sliding Velocity v Sliding Tread Block

26.08.2015

© Continental 20

Realization Concept Rubber-Road Friction Mechanisms

µ-s

hare

log(v)

µ

Dry

Wet Hysteresis

Adhesion

Hysteresis

Adhesion

Viscous

Dry Wet

SportContact 6

Public

26.08.2015

© Continental 21

Realization Concept Rubber-Road Friction Mechanisms

SportContact 6

Public

Tread Rubber

Pendulum Steel Ball

26.08.2015

© Continental 22

Realization Concept Example for Adhesive Sticking

Standard Tread Rubber Tread Rubber with Enhanced Adhesion

SportContact 6

Public

26.08.2015

© Continental 23

Realization Concept Model for Rubber Adhesion

SportContact 6

Public

26.08.2015

© Continental 24


Fx

1 mm

FN

FA v

Fx

1 mm

FN

FA

Highly Adhesive

Weakly Adhesive

What is a Difference between Adhesive and Non-Adhesive Compounds?

SportContact 6

Public

26.08.2015

© Continental 25


Molecule sticking to road

Molecule not sticking to road

Fx

1 mm

FN

FA v

Fx

1 mm

FN

FA

Highly Adhesive

Weakly Adhesive

SportContact 6

Public

0 2 4 6 8 10 12 14 16

Good adhesion

58 60 62 64 66 68 70 72 74x

Bad adhesion

26.08.2015

© Continental 26


Fx

1 mm

FN

FA v

Fx

1 mm

FN

FA

Highly Adhesive

Weakly Adhesive

Molecule sticking to road

Molecule not sticking to road

SportContact 6

Public

26.08.2015

© Continental 27

Realization Concept Model for Adhesive Rubber Friction Shear stress in the contact interface

Atomic

Force

Shear Force in One Chain Number of Sticking Chains

FA FA FA

log vslide

Shear Stress in the Contact Interface

SportContact 6

Public

Agenda

26.08.2015

28 © Continental





SportContact 6

Public

26.08.2015

© Continental 29

SportContact 6 – Solution Concept Technology

SportContact 6

Public

26.08.2015

© Continental 30

SportContact 6 – Solution Concept Black Chili Compounding

Black Chili

enjoyment for ...

› Acceleration

› Cornering

› Braking

… on wet and dry roads

Acceleration Braking

Cornering

Cornering

Power

Maximum Grip in All Directions

SportContact 6

Public

26.08.2015

© Continental 31

SportContact 6 – Solution Concept Engineering Rubber Properties for Ultimate Precision and Grip

Stiff at block bending strain

› Responsive & precise

Micro-flexible at road deformation

› Increased contact area

› Enhanced interlocking

Engineered Compound Stiffness

0.0

5.0

10.0

15.0

20.0

25.0

0.1 1.0 10.0

Ru

bb

er

Sti

ffn

es

s, E

’ [M

Pa

]

Dynamical Strain Amplitude [%]

Pattern Stiffness

Reference

Black Chili

be

tte

r

be

tte

r

Contact Area

SportContact 6

Public

26.08.2015

© Continental 32

SportContact 6 – Solution Concept Engineering Rubber Stiffness

0 10 5 mm

Standard Tread Rubber Black Chili Compound

0 10 5 mm

Finite Element Method (FEM) simulation of rubber road contact

and friction

Increasing Real Rubber-Road Contact Area

SportContact 6

Public

26.08.2015

© Continental 33

0 10 5 mm

› BlackChili compound with enhanced micro-flexibility

› Maximum contact area for increased adhesion

› Maximum interlocking between rubber and road-roughness

SportContact 6 – Solution Concept Engineering Rubber Stiffness

Enhanced Micro-Flexibility

Standard Tread Rubber Black Chili Compound

SportContact 6

Public

Atomic

Force

26.08.2015

© Continental 34

SportContact 6 – Solution Concept Maximum Grip – Adhesion Shear stress in the contact interface

FA FA FA

Shear force in one chain Number of

sticking chains

log v

Black Chili

› Ensures maximum number of molecular rubber-road interactions at the interface

› Tunes the velocity dependence according to sporty driving applications

Black Chili Compound

Atomic Force Compatibilizer

SportContact 6

Public

26.08.2015

© Continental 35

SportContact 6 – Solution Concept Technology Shear stress in the contact interface

SportContact 6

Public

26.08.2015

© Continental 36

SportContact 6 – Solution Concept Force Vectoring

Inside Outside

Asymmetric Center Rib Design

› Maximum control even with small steering movements / slip angles

SportContact 6

Public

26.08.2015

© Continental 37

SportContact 6 – Solution Concept Force Vectoring

1

1

2

3

1. Large shoulder blocks

2. Interlocking and coupling elements

3. Macro structured system

Inside Outside

Advanced Macro Block Design

SportContact 6

Public

26.08.2015

© Continental 39

SportContact 6 – Solution Concept Reinforcement Material: New CapPly Aralon 350

Casing Ply Belt

Aralon 350 Nylon

Aramid

1680x2 + 470x1 / 80 epdm

SportContact 6

Public

1 2 3 4 5 6

Fo

rce

[a

rbit

rary

un

it]

Elongation [%]

26.08.2015

© Continental 40

SportContact 6 – Solution Concept Aralon 350

Standard Hybrid

(CSC 5P)

Aralon 350

Pure Aramid

Nylon

Aramid

SportContact 6

Public 42

Technology Overview

26.08.2015

© Continental

Benefit

Technology

Feature

Force Vectoring

Maximum Control

Centre

Responsive

Rib Design

Advanced

Macro Block

Design

Aralon 350

Maximum Stability

Adaptive High Speed

Cap Ply

Black Chili

Maximum Grip

Micro

Flexible

Compound

Atomic

Force

Compa-

tibiliser

Compound Pattern Construction

SportContact 6

Public

Steering Precision

High Speed

Wet Performance

Noise Wear

Limit Handling

Dry Handling

26.08.2015

© Continental 43

The New Continental Spearhead Product SportContact 6 Performance Overview

› Best in Handling

› Best in Braking

› Improved High Speed Capabilities

› EU Tyre Label: Fuel Efficiency = E Wet Grip = A

SportContact 6

ContiSportContact 5P

= 100%

114%

110%

107% 107%

102% 104%

111%

SportContact 6

Public

26.08.2015

© Continental 44

Market Launch Sizes

225/35 ZR 19

225/40 ZR 19

235/35 ZR 19

245/35 ZR 19

245/40 ZR 19

255/30 ZR 19

255/35 ZR 19

255/40 ZR 19

265/30 ZR 19

265/35 ZR 19

275/30 ZR 19

19"

275/35 ZR 19

285/35 ZR 19

295/30 ZR 19

305/30 ZR 19

315/25 ZR 19

225/35 ZR 20

235/30 ZR 20

235/35 ZR 20

245/30 ZR 20

245/35 ZR 20

255/30 ZR 20

255/35 ZR 20

265/35 ZR 20

275/30 ZR 20

275/35 ZR 20

295/25 ZR 20

20"

305/25 ZR 20

305/30 ZR 20

325/25 ZR 20

255/30 ZR 21

255/35 ZR 21

265/30 ZR 21

295/25 ZR 21

295/30 ZR 21

325/25 ZR 21

21"

265/30 ZR 22

295/30 ZR 22

305/25 ZR 22

335/25 ZR 22

22"

315/25 ZR 23

23"

Number of sizes: 41 sizes

Rim: 19"–23"

Width: 225–335

Speed index: ZR (Y)

SportContact 6

Public

This Record Proves that our Target has been Achieved:

Maximum Grip – Maximum Control – Maximum High Speed Stability

26.08.2015

© Continental 45

Continental SportContact 6 Supported the New Lap Time Record of Honda with its All New Civic Type R on “Nuerburgring Nordschleife”

Bitte decken Sie die schraffierte Fläche mit einem Bild ab.

Please cover the shaded area with a picture.

(24,4 x 7,6 cm)

Thank you!

See you on the track!

www.continental-tyres.com




Continental SportContact 6 How to Deliver the Sportiest ...

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