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www.continental-tires.com
Development and Technology of PremiumContact 6A new Level of Comfort.
Marco Gellings, Director Tire Line Development EMEA Summer
Leading car manufacturer have trust in
our products & technologies:
› One of three cars in Europe are equipped
with Continental tires
› One of six cars in the US are equipped with
Continental and General Tire brand tires
› We see further growth opportunities within
the OE business on a global scale
Continental Tire DivisionExcellent Position in Original Equipment Business
MarketingLeading Performance in Replacement
2011ContiSportContact 5
17 – 22 inch
2012 ContiPremiumContact 5
14 – 17 inch
2016PremiumContact 6
16 – 21 inch
03/2016
03/2015
“Testsieger“
02/2016
“Testsieger“
04/2016
03/2016
“Test winner“
06/2015
Successful Continental family in replacement business
“sehr empfehlenswert“
“Test winner“
“sehrempfehlenswert “
“sehr empfehlenswert“
03/2015
03/201603/2015
02/2015
“Gut“02/2016
“Gut“
02/2016
U - UHP Regulation
New/ Digital Customers
Specific Products
Aggressive
Competition
The Market EnvironmentGlobal Tire Requirements
Extended MobilityIntelligent Tires
Globalization
TPM/
M+S
Winter Legislation
MarketingProduct Portfolio Summer 2016
ContiPremiumContact 5
ContiSportContact 5
ContiEcoContact 5
SportContact 6
Eco
Ultra High
Performance
Sport
≤14 " 20" ≥21"
High
Performance
Comfort
19"18"17"16"15"
MarketingProduct Portfolio Summer 2017
ContiEcoContact 5
SportContact 6
Eco
Ultra High
Performance
Sport
≤14 " 20" ≥21"
High
Performance
Comfort
19"18"17"16"15"
PremiumContact 6
TechnologyPerformance Overview
PremiumContact 6ContiSportContact 5
Handling 103%
Rolling Resistance
105%
Exterior Noise 110%
Interior Noise
102%
Wet Braking
100%
Mileage
115%
Hydroplaning
95%Dry Braking
100%
Technology Overview – A New Level of Comfort
Safety-optimizedsilica compounds
Safety
without compromises
Crystal silica
composition
Comfort-optimizedperformance footprint
Handling-optimizedpattern design
Feature
Technology
Customer
benefit
Extended driving convenience
over lifetime
Sporty driving
in every car
Wear
optimized
polymer blend
Smooth
pattern
stiffness
Advanced
macro - block
design
Asymmetric
rib geometry
A new Level of Comfort
Technology Overview – A New Level of Comfort
Safety-optimizedsilica compounds
Safety
without compromises
Crystal silica
composition
Comfort-optimizedperformance footprint
Handling-optimizedpattern design
Feature
Technology
Customer
benefit
Extended driving convenience
over lifetime
Sporty driving
in every car
Wear
optimized
polymer blend
Smooth
pattern
stiffness
Advanced
macro - block
design
Asymmetric
rib geometry
A new Level of Comfort
Fatigue Cutting abrasion
v
Frictional wear
v
Safety-optimized Silica Compounds “Low Glass Transition Temperature Technology Tg”: Wear Mechanisms
v
p0 p0 p0
Smooth surface
› Creep of material due
to frictional forces
› Mass transport :
sticky film, rolls
Rough rounded surface
› Slow crack growth due to
deformation of rubber in
contact with a rough surface
› Detachment of rubber particles
Rough sharp surface
› Fast rupture of rubber
› Tearing of large rubber pieces
› Formation of abrasion pattern
and/ or cracks on rubber surface
Test drums Long distance Severe application
10nm1mm 1µm
Flexible chains
Safety-optimized Silica Compounds“Low Polymer Glass Transition Temperature Technology” = Nano Technology
v
Glassy chains
Nano mechanism
nano
› Crack resistance improvement due to low polymer glass transition temperature Tg
technology improves wear performance on nano-scale
› Significant wear improvement while keeping wet performance via shift of
compound glass transition temperature Tg
› Tg of a compound is determined by:
› Polymer blend composition
› Resin amount
› Low Tg polymers are good for
› Wear and rolling resistance
› Bad for grip
Safety-optimized Silica Compounds Polymer Blend with Low and High Glass Transition Temperature Tg
High Tg
polymer blendLow Tg
polymer blend
TG TG
-100 -80 -60 -40 -20 -0 20
0,2
0
0,4
0,6
0,8
1
Temperature [ºC]
tan
(d)
Gleiche PT
PC 6
Safety-optimized Silica Compounds Estimated Life Under Controlled Road Wear Test
Standard compound Crystal silica polymer blend
Contribution of crystal silica
containing polymer blend:
› Reduction of the wear rate
via significant more wear
resistant compound
Compound TechnologyTarget Conflict of Wet Grip and Rolling Resistance
Corresponding frequency [Hz]
100101102103104105106107
Development targetStandard technology
Braking
103…105 HzRolling resistance
10 Hz
Characteristic frequency:
Braking and rolling resistance have
different relevant frequency areas:
› Hysteresis is important for
grip and rolling resistance
but with opposite orientation
› The hysteresis is determined by
the loss-factor tan d of the tread
compound
Lo
ss f
acto
r ta
n(d
)
0
0.2
0.4
0.6
0.8
Safety-optimized Silica Compounds Solution of Target Conflicts
RR – Rolling Resistance
Wear
Wet Braking
RRHandling
Cap influence Base influence
PremiumContact 6
Cap + Base + Pattern
Wear
Wet Braking
RRHandling
Wear
Wet Braking
RRHandling
Performance
Technology Overview – A New Level of Comfort
Safety-optimizedsilica compounds
Safety
without compromises
Crystal silica
composition
Comfort-optimizedperformance footprint
Handling-optimizedpattern design
Feature
Technology
Customer
benefit
Extended driving convenience
over lifetime
Sporty driving
in every car
Wear
optimized
polymer blend
Smooth
pattern
stiffness
Advanced
macro - block
design
Asymmetric
rib geometry
A new Level of Comfort
μ = Friction Coefficient
W ~ A × FE ß
If px ≥ pz x μ
x
FE = pxsx dx∫
Comfort-optimized Performance FootprintPattern: Wear Basics
sx
x
✓Reduce wear by:
› Reduce compound abrasion
› Even tangential stress (px)
› Reduce sliding length (sx)
› Homogenize radial stress (pz)
W = Wear ß = Severity factor
A = Compound abrasion resistance
FE = Frictional energy
sx = Sliding length
px = Tangential contact stresspz = Radial contact stress
sx
px
Comfort-optimized Performance FootprintPattern Deformation Under Driving Torque
Block pattern
PremiumContact 6 target pattern stiffness:
› Low block deformation under torque
- Shorter sliding length sx
› Optimization of resistance against sliding
- Even tangential stress px
Comfort-optimized Performance FootprintSmooth Pattern Stiffness
✓
✓
✓
Reduce wear by:
› Reduce compound abrasion
› Reduce tangential stress (px)
› Reduce sliding length (sx)
› Homogenize radial stress (pz)
› Pattern stiffness equally distributed:
„Max Mileage Pattern“
› Flow sipes on centre rib
› Alternating grooves on intermediate rib
› Balanced stiffness distribution
ensures an equalized wear shape
Comfort-optimized Performance Footprint Footprint Pressure Distribution
ContiSportContact 5PremiumContact 6
✓
✓
✓
✓
Reduce wear by:
› Reduce compound abrasion
› Even tangential stress (px)
› Reduce sliding length (sx)
› Homogenize radial stress (pz)
Flat contour and even radial pressure distribution
› Elimination of stress peaks
› Homogeneous distribution of tangential stress
Comfort-optimized Performance Footprint Mechanical and Acoustical Comfort
Frequency Hz
Tra
nsm
issio
n into
the v
ehic
le
Structure borne Air borne
“Ride comfort is the overall comfort
and well-being of the vehicle’s
occupants during vehicle travel.”
(Heissing, B., Ersoy B., “Chassis Handbook”, 2011)
accelerationnoise
Comfort-optimized Performance Footprint Structure Borne Noise Transfer Path
Vehicle chassis CabinTire
Tire – road
interaction
Crown wave
propagation
Acoustic
amplification
Noise propagation
in the air
Noise propagation
in the air
Crown wave
propagation
Comfort-optimized Performance Footprint Air Borne Noise Transfer Path
Tire Air
Tire – road
interaction
Acoustic
amplification
0 500 1000 1500 2000 2500
Frequency [Hz]
Am
pli
tud
e
Frequency [Hz]
Comfort-optimized Performance Footprint Mechanical and Acoustical Comfort
Inte
rior
nois
e [dB
]
200 3001006030 600 1000
Air borne noiseStructure borne noise
Comfort-optimized Performance Footprint Impact and Damping
StandardPremiumContact™ 6
Time
AccelerationImpact
Peak
Acceleration
10ms 20ms
0.5g
Technology Overview – A New Level of Comfort
Safety-optimizedsilica compounds
Safety
without compromises
Crystal silica
composition
Comfort-optimizedperformance footprint
Handling-optimizedpattern design
Feature
Technology
Customer
benefit
Extended driving convenience
over lifetime
Sporty driving
in every car
Wear
optimized
polymer blend
Smooth
pattern
stiffness
Advanced
macro - block
design
Asymmetric
rib geometry
A new Level of Comfort
Benefit
› Maximum control through cornering stability at the limit
Technology
› The outside shoulder contains three elements:
1. Large shoulder blocks
2. Water drainage system
3. Macro linked system
Handling-optimized Pattern DesignAdvanced Macro Block Design
1.
1.
2.
3.
4000
-8000
-4000
8000
-12 -8 -4 4 8 12
Slip angle α [°]
Handling-optimized Pattern DesignCornerning Stiffness
Cornering stiffness vs. wheel load
Fz = 5000 NFz = 7000 N Fz = 3000 N
Lateral force vs. slip angle
Corn
erin
gstiff
ness
Cα
[N/°
]
500
1000
1500
2000
2500
2000 3000 4000 5000 6000 7000 Wheel load Fz [N]
La
tera
l fo
rce
Fy
@ F
z3
, 5
, 7
kN
in N
4000
-8000
-4000
8000
-12 -8 -4 4 8 12
Handling-optimized Pattern Design PremiumContact 6 – 245/45 R 18 Tire Characteristic
Corn
erin
gstiff
ness
Cα
[N/°
]
Slip Angle α [°]
Cornering stiffness vs. wheel load Lateral force vs. slip angle
La
tera
l fo
rce
Fy
@ F
z2
, 5
, 8
kN
in N
Fz = 8000 N
Fz = 5000 N
Fz = 2000 N
500
1000
1500
2000
2500
2000 3000 4000 5000 6000 7000 Wheel load Fz [N]
ContiSportContact 5 PremiumContact 6
Handling-optimized Pattern Design Asymmetric Rib Geometry
max angle med angle min angle
max Force
med Force
min Force
Displacement d [mm]
1 2 3 4
2000
Fo
rce
[N
]
1600
1200
800
400
0
Standard rib designNew rib design
Handling-optimized Pattern Design Asymmetric Rib Geometry
Technology Overview – A New Level of Comfort
Safety-optimizedsilica compounds
Safety
without compromises
Crystal silica
composition
Comfort-optimizedperformance footprint
Handling-optimizedpattern design
Feature
Technology
Customer
benefit
Extended driving convenience
over lifetime
Sporty driving
in every car
Wear
optimized
polymer blend
Smooth
pattern
stiffness
Advanced
macro - block
design
Asymmetric
rib geometry
A new Level of Comfort
17"
› 205/40 R 17 84 V XL FR
› 205/40 R 17 84 Y XL FR
› 205/45 R 17 88 V XL FR
› 205/45 R 17 88 W XL FR
› 205/50 R 17 89 V FR
› 205/50 R 17 93 Y XL FR
› 215/45 R 17 87 V FR
› 215/45 R 17 87 Y FR
› 215/45 R 17 91 Y XL FR
› 215/50 R 17 91 Y FR
› 215/50 R 17 95 Y XL FR
› 225/45 R 17 91 V FR
› 225/45 R 17 91 Y FR
› 225/45 R 17 94 Y XL FR
› 225/50 R 17 94 V FR
17"
› 225/50 R 17 94 Y FR
› 225/50 R 17 98 Y XL FR
› 225/55 R 17 97 W
› 235/45 R 17 94 W FR
› 235/45 R 17 94 Y FR
› 235/45 R 17 97 Y XL FR
› 235/60 R 17 102 V FR
› 245/40 R 17 91 Y FR
› 245/45 R 17 95 Y FR
› 245/45 R 17 99 Y XL FR
16"
› 195/50 R 16 84 V
› 225/50 R 16 92 Y
18"
› 205/40 R 18 86 W XL FR
› 225/40 R 18 92 Y XL FR
› 225/45 R 18 91 W
› 225/45 R 18 95 Y XL FR
› 225/50 R 18 95 W
› 225/50 R 18 99 W XL
› 225/55 R 18 98 V
21"
› 245/40 R 21 100 Y XL FR
› 275/40 R 21 107 Y XL
PremiumContact 6 Size Range in 2017
20"
› 225/40 R 20 94 Y XL
› 245/40 R 20 99 Y XL FR
› 275/50 R 20 113 Y XL FR
› 255/55 R 20 110 Y XL FR
› 255/55 R 20 110 W XL FR
18"
› 225/55 R 18 102 Y XL
› 235/45 R 18 98 Y XL FR
› 235/50 R 18 101 Y XL FR
› 235/40 R 18 91 Y FR
› 235/40 R 18 95 Y XL FR
› 235/50 R 18 97 V FR
› 235/55 R 18 100 V FR
› 235/55 R 18 100 W
› 235/60 R 18 103 V FR
› 235/60 R 18 107 V XL FR
› 245/40 R 18 93 Y FR
› 245/40 R 18 97 Y XL FR
› 245/45 R 18 96 Y FR
› 245/45 R 18 100 Y XL FR
› 255/45 R 18 99 Y FR
› 255/45 R 18 103 Y XL FR
› 255/55 R 18 109 Y XL FR
› 255/60 R 18 112 V XL FR
› 275/40 R 18 103 Y XL FR
19"
› 225/45 R 19 92 W
› 225/55 R 19 99 V FR
› 235/50 R 19 99 V FR
› 235/65 R 19 109 W XL FR
› 245/45 R 19 102 Y XL FR
› 255/50 R 19 107 Y XL FR
› 255/55 R 19 111 V XL FR
› 265/55 R 19 113 Y XL FR
› 265/55 R 19 113 W XL FR
for your attention!Thank you