©
© GETRAG, GETRAG, GETRAGGETRAG DrivetrainDrivetrain Forum, Forum, 2012-09-25, 2012-09-25, CologneCologne
New GETRAG FWD DCT Family
New GETRAG FWD DCT Family
B
Based
ased o
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n 7D
7DC
CT3
T300
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Ernest De
Ernest DeVincent, Vice P
Vincent, Vice Presid
resident Produc
ent Produc t Deve
t Develop
lopment
ment
GETRAG
©
© GETRAG, GETRAG, GETRAGGETRAG DrivetrainDrivetrain Forum, Forum, 2012-09-25, 2012-09-25, CologneCologne
Cur
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GETRAG Fr
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Creat
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Customer a
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Market Requirements
Market Requirements
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GETRAG Future FWD DCT Technology Roadmap
GETRAG Future FWD DCT Technology Roadmap
GETR
GETRAG
AG Next
Next Gen
Gen DCT
DCT Famil
Family –
y – Modul
Modularity
arity Strat
Strategy
egy
Summary
Summary
Q &
Q & A
A
A
Ag
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New GETRAG FWD DCT Family based on 7DCT300 New GETRAG FWD DCT Family based on 7DCT300
2 2
©
© GETRAG, GETRAG, GETRAGGETRAG DrivetrainDrivetrain Forum, Forum, 2012-09-25, 2012-09-25, CologneCologne
Cur
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne T o r q u e s e g m e n t s 2012 2013 2014 2015 2016 2017 2018 2019 S m a l l M i d H i g h 2020 2021 2022 6DCT470 6DCT450 6DCT250 Marketplace Inputs
•
Increase gear counts to be available in mid and high torque segments•
Improve launch performance andrefinement mid torque
•
Need for low torque low cost DCT•
Need for modular applicationcapability among products
New GETRAG FWD DCT Family based on 7DCT300
FWD DCT Current Produ ct Portfolio
Legend:
in production in development to be developed
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
Creating the Next Generation FWD DCT Based on
Customer and Market Requirements
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
CUSTOMER/OEM NEEDS
FUNCTIONALITY
FUN 2 DRIVE
COSTS
CO
2IMPROVEMENTS
New GETRAG FWD DCT Family based on 7DCT300
Customer and Market Requirements
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
CO
2IMPROVEMENTS
Highly efficient gearset
Ratio flexibility
Intelligent gear ratio span
Power on demand actuation
Weight reduction
Extended sailing functionality
Active thermal management
7-speed needs for mid-segment
Upscale brand also need hybrid
Some require wet clutch
Drive for Best-in-Class quality
Modularity across platforms
CUSTOMER/OEM NEEDS
Shift-by-Wire
Park-by-Wire
Hybridization
Start/Stop capability
FEATURES / FUNCTIONS
Increased launch performance
Increased input speed
Improved low speed refinement
Lower inertia
FUN 2 DRIVE
COSTS
Volume of Scale
Global footprint
New GETRAG FWD DCT Family based on 7DCT300
Customer and Market Requirements
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
Improved Launch Performance and Fun to Drive:
-
Clutch primary inertia reduction of up to 70%
-
Thermal capacity increase by 300%
-
Higher input speed 7,000 rpm
7,500 rpm
Higher Fuel Economy
Overall improvement of 4% over 6DCT250
-
Gear ratio count 6
7
-
Intelligent gear ratio span 7.2
> 8.5
-
Low viscosity oil
Weight improvement:
-
71 kg
65 kg (dry, with TCU)
Improved Driveability & NVH Refinement:
-
Higher torque control accuracy of wet double clutch
Features that Customers want and demand of next gen product:
-
Hybrid…AWD….Park By Wire…Integrated cooling….Reduced vehicle level cost
Result = NEXT Generation Benchmark Transmission
New GETRAG FWD DCT Family based on 7DCT300
Market Requirements
GETRAG Next Generation 7DCT300 Response
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
Key Features
Next generation of 6DCT250 with global footprint (dedicated for B up to D-segment)
Input torque 300 Nm
target dry weight 65kg (w/o DMF)
Wet nested dual clutch
7-speed + R with a possible gear ratio span of ~ 8.5
Mechanical park lock
Electro mechanical gear actuation
Electro hydraulic clutch actuation
Electrical on-demand cooling
Start/Stop functionality (no hardware modification)
Optional Features
HEV (Mild- to Plug-In)
AWD
Integrated Park-by-Wire
Integrated transmission cooling
7DCT300 – Overview
7DCT300 - Overview
New GETRAG FWD DCT Family based on 7DCT300
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
CONFIDENTIAL / All ri ght s reserved / Patent pend ing
Motor for clutch
cooling pump
TCU
7DCT300 – Main View
New GETRAG FWD DCT Family based on 7DCT300
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
CONFIDENTIAL / All ri ght s reserved / Patent pend ing
Motor for pump
actuator 2
Motor for shift
actuator 2
Motor for shift
actuator 1
7DCT300 – Side View
New GETRAG FWD DCT Family based on 7DCT300
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
Shift forks and linkages with push rods and shift rods Shift drum even gears E-motors wit h intermediate gears Shift drum odd gears
General
Electro mechanical shifting
-
2 E-motors
-
2 independent shift drums
-
4 shift forks
-
2 linkages
-
4 push rods / 2 shift rods
Many c/o parts of 6DCT250
New GETRAG FWD DCT Family based on 7DCT300
7DCT300 – Shift Actuation
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
General
Wet nested clutch designed for DMF
Oil-cooling
Fill-for-life (~4.0 liter)
Low-viscosity oil
Low interia
Dedicated for downsized
engines
Technical Data
Maximum engine speed 7,500 rpm
Friction surfaces C1=6 / C2=8
Torque capacity 300 Nm @ ~10bar
Similar clutch gain of 34 Nm/bar
for both clutches
Stroke point of 1,5 bar
Weight 7 kg incl. support
New GETRAG FWD DCT Family based on 7DCT300
7DCT300 – Clutch Hardware
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
General
Robust design concept with development history
Robust manufacturing concept not requiring clean rooms
Independent control of each clutch
-
One electric motor drives one gerotor pump
-
Fast filling with low pressure and high volume
-
Excellent controllability enables comfortable and sporty shifting
-
Significantly improved off idle and creep control
Clutch Cooling
Electrical on-demand oil-pump (low pressure)
Dedicated for extended sailing functionality
Optional integrated transmission cooler for severe applications
New GETRAG FWD DCT Family based on 7DCT3007DCT300 – Electro Hydraulic Actuation
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
Base functionality is running in several series programs
-
7DCI700 (BMW)
-
7DCL750 (Ferrari)
-
6DCT450/470 (Ford, Volvo, Mitsubishi, …)
Pump low level control has SOP 12/2012
des.
clutch
torque
Clutch
Trq transfer
behavior
des.
pressure
Pressure-control
- Pedal position
- Clutch temp.
- Trailer, Hill,…
act.
pressure
Launch
characteristic map
Base Functi onality
New GETRAG FWD DCT Family based on 7DCT300
7DCT300 – Clutch Softw are Controls
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
General
Stand-alone TCU mounted to transmission housing
External wiring harness mounted on transmission
Interfaces comparable to existing 6DCT250
Transmission cont rol unit
Power electronics
-
5 power stages for BLDC motors (shift/clutch/cooling)
Processor
-
~160 MHz
-
~ 2.5 MB flash
Sensors
2 pressure
1 oil temperature
2 input speed (1 with direction) + 1 optional output speed
Transmission range sensor
New GETRAG FWD DCT Family based on 7DCT300
7DCT300 – Electronics incl. TCU
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
GETRAG Next Gen DCT Response
CO
2IMPROVEMENTS
Highly efficient gearset
Ratio flexibility
Intelligent gear ratio span
Power on demand actuation
Weight reduction
Extended sailing functionality
Active thermal management
CUSTOMER/OEM NEEDS
7-speed needs for mid-segment
Upscale brand also need hybrid
Some require wet clutch
Drive for Best-in-Class quality
Modularity across platforms
FEATURES / FUNCTIONS
Shift-by-Wire
Park-by-Wire
Hybridization
Start/Stop capability
FUN 2 DRIVE
Increased launch performance
Increased input speed
Improved low speed refinement
Lower inertia
COSTS
Volume of Scale
Global footprint
New GETRAG FWD DCT Family based on 7DCT300
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne T o r q u e s e g m e n t s 2012 2013 2014 2015 2016 2017 2018 2019 S m a l l M i d H i g h 2020 2021 2022 6DCT470 6DCT450 6DCT250
Marketplace Inputs
•
Increase gear counts to be
available in mid and high torque
segments
•
Improve launch performance
and refinement mid torque
•
Need for l ow tor que l ow c os t
DCT
•
Need for modular application
capability among products
Legend:
in production in development to be developed
New GETRAG FWD DCT Family based on 7DCT300
FWD DCT Product Roadmap
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne T o r q u e s e g m e n t s 2012 2013 2015 2016 2017 2018 2019 6DCT470 2014 S m a l l M i d H i g h 2020 2021 2022 6DCT451 6DCT250 6DCT450
Product
freshening –
updated clutch
Legend: in production in development to be developedNew GETRAG FWD DCT Family based on 7DCT300
FWD DCT Product Roadmap
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne T o r q u e s e g m e n t s 2012 2013 2014 2015 2016 2017 2018 2019 S m a l l 2020 2021 2022 7DCT300 6DCT250 M i d H i g h 6DCT470 6DCT451 6DCT450
Market request fo r 7
speeds, impr oved
refinement and
launch performance
Legend: in production in development to be developedNew GETRAG FWD DCT Family based on 7DCT300
FWD DCT Product Roadmap
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne T o r q u e s e g m e n t s 2012 2013 2015 2016 2017 2018 2019 6DCT150 2014 S m a l l 2020 2021 2022 M i d H i g h 6DCT250 6DCT470 6DCT451 6DCT450 7DCT300
Market request for
low torque / low
cost DCT
Legend:
in production in development to be developed
New GETRAG FWD DCT Family based on 7DCT300
FWD DCT Product Roadmap
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne T o r q u e s e g m e n t s 2012 2013 2014 2015 2016 2017 2018 2019 S m a l l 2020 2021 2022 7DCT500 7DCT300 M i d H i g h 6DCT250 6DCT470 6DCT451 6DCT450
Further efficiency
incr ease, high er torqu e
capacity, and high er no.
of gears to fulfil l market
requirements
6DCT150 Legend: in production in development to be developedNew GETRAG FWD DCT Family based on 7DCT300
FWD DCT Product Roadmap
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne T o r q u e s e g m e n t s 2012 2013 2014 2015 2016 2017 2018 2019 S m a l l 2020 2021 2022 7DCT500 7DCT300 7HDT300 M i d H i g h 6DCT250 6DCT470 6DCT451 6DCT450 6DCT451
Market also
requires hybrid
versions
XDCT150 Legend: in production in development to be developedNew GETRAG FWD DCT Family based on 7DCT300
FWD DCT Product Roadmap
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne T o r q u e s e g m e n t s 2012 2013 2014 2015 2016 2017 2018 2019 S m a l l 2020 2021 2022 7DCT500 7DCT300 7HDT300 7HDT500 M i d H i g h 6DCT250 6DCT470 6DCT451 6DCT450 6DCT451
Market also r equires
hybrid versions
XDCT150 Legend: in production in development to be developedNew GETRAG FWD DCT Family based on 7DCT300
FWD DCT Product Roadmap
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne T o r q u e s e g m e n t s 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 Legend: in production in development to be developed 7DCT500 7DCT300 7HDT300 7HDT500 M i d H i g h 6DCT451 6DCT250 6DCT470 6DCT450 6DCT451 S m a l l XDCT150
New GETRAG FWD DCT Family based on 7DCT300
FWD DCT Product Roadmap
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
GETRAG Drivetrain Forum, September 25, 2012, Cologne
Subsystem
DCT300
Gear set
7 speedShift System
Dual EM shift drumClutch
DC300Clutch Actuator
Pump actuatorPark Lock
Actuator
MechanicalCooling/Lube
E-motor driven pumpOil
Fuel economy and costoptimized lubricant
Hybridization, Full
E-motor in transm. housing oraxle-split hynrid
Hybridization,
Mild
E-motor in transm. HousingTCU
Standalone TCUPark By Wire
Gear driven shift drumSoftware
SW features commonNew GETRAG FWD DCT Family based on 7DCT300
GETRAG Drivetrain Forum, September 25, 2012, Cologne
Subsystem
DCT300
DCT150
Gear set
7speed 6speedShift System
Dual EM shift drum Single EM Dual shift drumClutch
DC300 DC300Clutch Actuator
Pump actuator Pump actuatorPark Lock
Actuator
Mechanical MechanicalCooling/Lube
E-motor driven pump E-motor driven pumpOil
Fuel economy and costoptimized lubricant Common with DCT300
Hybridization, Full
E-motor in transm. housing oraxle-split hynrid N/A
Hybridization,
Mild
E-motor in transm. Housing N/ATCU
Standalone TCU Standalone TCUPark By Wire
Gear driven shift drum N/ASoftware
SW features common SW features commonNew GETRAG FWD DCT Family based on 7DCT300
GETRAG Drivetrain Forum, September 25, 2012, Cologne
Subsystem
DCT300
DCT150
DCT500
Gear set
7speed 6speed 7speedShift System
Dual EM shift drum Single EM Dual shift drum
Dual shift drum (note: common drums and motors,
different linkage)
Clutch
DC300 DC300 DC500Clutch Actuator
Pump actuator Pump actuator Pump actuator (higher currentvs DCT300)
Park Lock
Actuator
Mechanical Mechanical MechanicalCooling/Lube
E-motor driven pump E-motor driven pump E-motor driven pumpOil
Fuel economy and costoptimized lubricant Common with DCT300 Common with DCT300
Hybridization, Full
E-motor in transm. housing oraxle-split hynrid N/A
E-motor in transm. housing or axle-split hybrid
Hybridization,
Mild
E-motor in transm. Housing N/A E-motor coaxial to clutchTCU
Standalone TCU Standalone TCU Standalone TCU (commonmotherboard)
Park By Wire
Gear driven shift drum N/A Gear driven shift drumSoftware
SW features common SW features common SW features commonNew GETRAG FWD DCT Family based on 7DCT300
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
Subsystem
DCT300
Gear set
7 speedShift System
Dual EM shift drumClutch
DC300Clutch Actuator
Pump actuatorPark Lock
Actuator
MechanicalCooling/Lube
E-motor driven pumpOil
Fuel economy and costoptimized lubricant
Hybridization, Full
E-motor in transm. housing oraxle-split hynrid
Hybridization,
Mild
E-motor in transm. HousingTCU
Standalone TCUPark By Wire
Gear driven shift drumSoftware
SW features commonNew GETRAG FWD DCT Family based on 7DCT300
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
Subsystem
DCT300
DCT150
Gear set
7speed 6speedShift System
Dual EM shift drum Single EM Dual shift drumClutch
DC300 DC300Clutch Actuator
Pump actuator Pump actuatorPark Lock
Actuator
Mechanical MechanicalCooling/Lube
E-motor driven pump E-motor driven pumpOil
Fuel economy and costoptimized lubricant Common with DCT300
Hybridization, Full
E-motor in transm. housing oraxle-split hynrid N/A
Hybridization,
Mild
E-motor in transm. Housing N/ATCU
Standalone TCU Standalone TCUPark By Wire
Gear driven shift drum N/ASoftware
SW features common SW features commonNew GETRAG FWD DCT Family based on 7DCT300
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
Subsystem
DCT300
DCT150
DCT500
Gear set
7speed 6speed 7speedShift System
Dual EM shift drum Single EM Dual shift drum
Dual shift drum (note: common drums and motors,
different linkage)
Clutch
DC300 DC300 DC500Clutch Actuator
Pump actuator Pump actuator Pump actuator (higher currentvs DCT300)
Park Lock
Actuator
Mechanical Mechanical MechanicalCooling/Lube
E-motor driven pump E-motor driven pump E-motor driven pumpOil
Fuel economy and costoptimized lubricant Common with DCT300 Common with DCT300
Hybridization, Full
E-motor in transm. housing oraxle-split hynrid N/A
E-motor in transm. housing or axle-split hybrid
Hybridization,
Mild
E-motor in transm. Housing N/A E-motor coaxial to clutchTCU
Standalone TCU Standalone TCU Standalone TCU (commonmotherboard)
Park By Wire
Gear driven shift drum N/A Gear driven shift drumSoftware
SW features common SW features common SW features commonNew GETRAG FWD DCT Family based on 7DCT300
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne
Transmission
6DCT150
Maximum speed:
7,000 rpm
Maximum torque:
170 Nm*
Weight (dry):
approx. 56 kg**
Installation length:
350 - 355 mm
Input shaft - differential:
170 mm or higher
Overall ratio 1
stgear:
13 – 18.5
Gear ratio spread:
4.5 – 8.0
Ac tu ators:
Electro -mechanical gear actuatio n and electro-hydrauli c
clutch actuation
Transmission oil:
4 liters
Dual clutch
Nested wet dual clutch, with interface to dual mass flywheel
Other details:
3-shaft gear set layout
all-wheel application possible
mechanically actuated parking loc k
start/stop- and sailing capable without hardware change
New GETRAG FWD DCT Family based on 7DCT300
6DCT150 Technical Data
© GETRAG, GETRAG Drivetrain Forum, 2012-09-25, Cologne