Presentation 7DCT300
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getrag 7dct300...
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GETRAG DCT New Modular Platform From 100Nm to 500 Nm
Ernest DeVincent, VP Engineering and Global Platform Director DCT300 7th International Symposium May 2013, Detroit 7th International CTICTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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Agenda
Current GETRAG Front Wheel Drive DCT Portfolio Creating the Next Generation FWD DCT Based on Customer and Market Requirements 7DCT300 – The Anchor of the Next Gen DCT Plan GETRAG Future FWD DCT Technology Roadmap GETRAG Next Gen DCT Family – Family Modularity Approach Summary Q&A
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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Current GETRAG FWD DCT Portfolio
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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FWD DCT Current Product Portfolio
Marketplace Inputs •
High
6DCT470
•
6DCT450
Mid
•
6DCT250
Small
Torque segments
•
Increase gear counts to be available in mid and high torque segments Improve launch performance and refinement mid torque Need for low torque low cost DCT Need for modular application capability among products
2012
2013
2014
2015
2016
2017
2018
2019
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
2020
2021
2022
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Creating the Next Generation FWD DCT Based on Customer and Market Requirements
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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Customer and Market Requirements CO2 IMPROVEMENTS
FUN 2 DRIVE
COSTS CUSTOMER/OEM NEEDS
FUNCTIONALITY
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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Translating Customer and Market Requirements CO2 IMPROVEMENTS
FUN 2 DRIVE
Highly efficient gearset
Increased launch performance
Ratio flexibility
Increased input speed
Intelligent gear ratio span
Improved low speed refinement
Power on demand actuation
Lower inertia
Weight reduction Extended sailing functionality Active thermal management
COSTS
Volume of Scale Global footprint
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
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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Market Requirements Next Gen 7DCT300 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 7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 Technical Overview
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 – Overview Key Features Next generation of 6DCT250 with global footprint (B 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 7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 – Overview
TCU
Motor for clutch cooling pump CONFIDENTIAL / All rights reserved / Patent pending
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 – Overview Motor for shift actuator 2
Motor for shift actuator 1
Motor for pump actuator 2
CONFIDENTIAL / All rights reserved / Patent pending
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 – Transmission length
10,8 215,1
165 380,1
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 – Gear Layout 3
5 4
R
Key Features Centerdistance: - 183 mm - 188 mm available for AWD - 197 mm dedicated for AWD
7 6 1
2
Gear ratio span of > 8.5 possible - Shortest 1st gear: ~18 - Longest 7th gear: 1.87 Max. output torque: - 4,500 Nm
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 – Gear Layout
R
2
4 5
6 7
3
1
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 – Shift Actuation
E-motors with intermediate gears
Shift drum odd gears
Shift drum even 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
Shift forks and linkages with push rods and shift rods 7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 – Clutch Hardware 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 7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
PICTURE LIMITED TO ON-SCREEN VERSION
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7DCT300 – Electro Hydraulic Actuation 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 7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 – Hydraulic Schematic Clutch cooling system Actuation system for clutch 1 E-Cooling pump
Actuation system for clutch 2
PICTURE LIMITED TO ON-SCREEN VERSION
Pressure sensor Electric pump Orifice
Temperature sensor
Suction filter
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 – Design of Clutch Actuator Pump Gerotor pump placed on motor shaft Stand alone pump housing to ensure high quality of pressure control Separated pressure and suction line from the sump to the clutch to avoid interactions in-between pumps during operation
PICTURE LIMITED TO ON-SCREEN VERSION
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 – Clutch Software Controls
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 7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 – Electronics incl. TCU General Stand-alone TCU mounted to transmission housing External wiring harness mounted on transmission Interfaces comparable to existing 6DCT250 Transmission control 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 7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT300 Optional Integrated Park by Wire General Usage of shift-drum 2 to engage/disengage park lock Normally-stay park lock Gear wheel actuation of parking lock via shift drum
PICTURE LIMITED TO ON-SCREEN VERSION
E-motor for shift drum 2
Shift drum 2 R/2/4/6 gear
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
Parking lock system based on 6DCT250 design w/o external park lock lever and rooster comb
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7DCT300 Optional Integrated Cooling General The integrated cooler is a water to housing cooler Engine cooling fluid is used within clutch housing Transmission cooling behaviour can be controlled by clutch cooling Options Active thermal management of the transmission
Water Inlet PICTURE LIMITED TO ON-SCREEN VERSION
water oil
Water Outlet 7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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Next Gen 7DCT300 Results CO2 IMPROVEMENTS Highly efficient gearset
FUN 2 DRIVE Increased launch performance Increased input speed
Ratio flexibility Intelligent gear ratio span Power on demand actuation
Improved low speed refinement Lower inertia
Weight reduction Extended sailing functionality Active thermal management
COSTS Volume of Scale Global footprint
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
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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GETRAG Future FWD DCT Technology Roadmap
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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FWD DCT Product Roadmap Marketplace Inputs •
6DCT470
•
6DCT450
Mid
•
6DCT250
Small
Torque segments
High
•
Increase gear counts to be available in mid and high torque segments Improve launch performance and refinement mid torque Need for low torque low cost DCT Need for modular application capability among products
2012
2013
2014
2015
2016
2017
2018
2019
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
2020
2021
2022
27
High
6DCT470
NEW 7DCT500 §
6DCT450
Mid
NEW 7DCT300 6DCT250
Small
Torque segments
FWD DCT Product Roadmap
NEW 6DCT150 § 2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
§ Not Intended to Indicate Introduction Timing 7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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GETRAG Next Gen FWD DCT Family Modularity Approach
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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FWD DCT Family - Modularity Subsystem Gear set Shift System Clutch Clutch Actuator Park Lock Actuator Cooling/Lube Oil Hybridization, Full Hybridization, Mild TCU
DCT300 7 speed Dual EM shift drum DC300 Pump actuator Mechanical E-motor driven pump Fuel economy and cost optimized lubricant E-motor in transm. housing or axle-split hynrid E-motor in transm. Housing Standalone TCU
Park By Wire
Gear driven shift drum
Software
SW features common
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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FWD DCT Family - Modularity Subsystem
DCT300
DCT150
7 speed
6 speed
Dual EM shift drum
Single EM Dual shift drum
DC300
DC300
Pump actuator
Pump actuator
Mechanical
Mechanical
E-motor driven pump
E-motor driven pump
Fuel economy and cost optimized lubricant
Common with DCT300
E-motor in transm. housing or axle-split hynrid
N/A
E-motor in transm. Housing
N/A
Standalone TCU
Standalone TCU
Park By Wire
Gear driven shift drum
Shift Drum Actuated
Software
SW features common
SW features common
Gear set Shift System Clutch Clutch Actuator Park Lock Actuator Cooling/Lube Oil Hybridization, Full Hybridization, Mild TCU
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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FWD DCT Family - Modularity Subsystem
DCT300
DCT150
DCT500
7 speed
6 speed
7 speed
Dual EM shift drum
Single EM Dual shift drum
Dual shift drum (note: common motors, different drums and linkage)
DC300
DC300
DC500
Pump actuator
Pump actuator
Pump actuator (higher current vs DCT300)
Mechanical
Mechanical
Mechanical
E-motor driven pump
E-motor driven pump
E-motor driven pump
Fuel economy and cost optimized lubricant
Common with DCT300
Common with DCT300
Hybridization, Full
E-motor in transm. housing or axle-split hynrid
N/A
E-motor in transm. housing or axle-split hybrid
Hybridization, Mild
E-motor in Trans Housing
N/A
E-motor in Trans Housing
Standalone TCU
Standalone TCU
Standalone TCU (common motherboard)
Park By Wire
Gear driven shift drum
Shift Drum Actuated
Shift Drum Actuated
Software
SW features common
SW features common
SW features common
Gear set Shift System
Clutch Clutch Actuator Park Lock Actuator Cooling/Lube Oil
TCU
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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6DCT150 Technical Data Transmission Maximum speed: Maximum torque: Weight (dry): Installation length: Input shaft differential: Overall ratio 1st gear: Gear ratio spread: Actuators: Transmission oil: Dual clutch Other details:
6DCT150 7,000 rpm 170 Nm approx. 56 kg 350 - 355 mm 170 mm or higher 13 – 18.5 4.5 – 8.0 Electro-mechanical gear actuation and electro-hydraulic clutch actuation 4 liters Nested wet dual clutch 3-shaft gear set layout all-wheel application possible mechanically actuated parking lock start/stop- and sailing capable without hardware change
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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7DCT500 Technical Data Transmission Maximum speed: Maximum torque: Weight (dry): Installation length: Input shaft differential: Overall ratio 1st gear: Gear ratio spread: Actuators: Transmission oil: Dual clutch Other details:
7DCT500 7,500 rpm 560 Nm approx. 87 kg approx. 380 mm 197 mm or higher 13.8 - 17.5 6.7 - 8.5 Electro-mechanical gear actuation and electro-hydraulic clutch actuation approx. 6 liters Nested wet dual clutch 4-shaft gear set layout all-wheel application possible mechanically actuated parking lock shift and park by wire optional start/stop- and sailing capable without hardware change
7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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Summary 7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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Summary GETRAG expands its FWD DCT portfolio with new mainstream products in all three torque ranges, produced on three continents. 7DCT300 to be launched as the first of the next generation of GETRAG FWD DCT products. It has been designed to be a new industry benchmark, achieving the most important OEM and final customer requirements 6DCT150 and 7DCT500 achieve high degrees of commonality and modularity of key subsystems from 7DCT300 Common customer interfaces for clutch actuation, shift actuation and park by wire. TCU interface commonality under development Full line of derivative hybrid offerings in mid and high torque segments GETRAG WILL HAVE THE MOST COMPLETE LINE OF DCT PRODUCTS AVAILABLE IN THE GLOBAL AUTO INDUSTRY 7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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Q&A 7th International CTI Symposium, May 2013, Detroit Ernest DeVincent, GETRAG Corporate Group
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