Yan Pugh-Jones
Frederick Walker
1
Aston Martin DB11, GALM, Birmingham, 2017
2
DB11 – Project Mission
Architecture
Manufacturing
Summary
Aston Martin DB11, GALM, Birmingham, 2017
3
DB11 – Project Mission
Second Century Plan
7 new models in 7 years
Aston Martin DB11, GALM, Birmingham, 2017
4
DB11 – Project Mission
VH Platform
DB9
Vantage
DBS
Rapide
Vanquish II
Coupe
Convertible
Special
Projects
Aston Martin DB11, GALM, Birmingham, 2017
5
DB11 – Project Mission
Next Generation Platform
2016
Coupe
Aston Martin DB11, GALM, Birmingham, 2017
6
DB11 – Project Mission
Next Generation Platform
Aston Martin DB11, GALM, Birmingham, 2017
7
DB11 – Project Mission
Brief
•
•
“The world’s most timeless and elegant sports grand
tourer”
The heart of Aston Martin: The fulcrum of our sports car range
Supreme elegance and sports car precision, agility and effortless touring
ability
•
Exceptional breadth of character: GT composure allied to sports car
excitement
•
Forceful performance and everyday usability
Aston Martin DB11, GALM, Birmingham, 2017
8
DB11 – Project Mission
Usability & Package
+149
+95
+54
637
1145
Legroom Couple
+65
2805
+50
4739
Aston Martin DB11, GALM, Birmingham, 2017
9
DB11 – Project Mission
Usability & Package
+76l
260l
Boot volume
+9
982
Headroom
-3
1279
+38
2060
Aston Martin DB11, GALM, Birmingham, 2017
DB9 Passenger Seat Isofix
Only
2 Rear Seat Isofix Positions
10
DB11 – Project Mission
Performance
Performance
DB11
V12 Displacement: 5.2l
Power:
600bhp
CdA:
<0.650
0-62mph (100kph): 3.9s
0-100mph
<8.0s
Vmax:
>200mph
CO2g/(km * bhp):
<0.5g
Aston Martin DB11, GALM, Birmingham, 2017
Change from
DB9
-13%
+18%
-17%
-15%
-16%
+10%
-26%
11
DB11 – Project Mission
Exterior Design
•
Floating Arc cantrail
•
Large highly sculpted front hinging
aluminium clamshell
•
Iconic and authentic Aston Martin Grille
•
LED headlamps
Aston Martin DB11, GALM, Birmingham, 2017
12
DB11 – Project Mission
Interior Design
• All new electrical architecture
• Electrically operated centre console
• First time application of knee airbag for Aston
Martin
Aston Martin DB11, GALM, Birmingham, 2017
13
DB11 – Project Mission
Architecture
Manufacturing
Summary
Aston Martin DB11, GALM, Birmingham, 2017
14
Architecture
Architectural Goals
Highly Efficient
Structure
Generous GT
Packaging
Robust Safety
Aston Martin DB11, GALM, Birmingham, 2017
State of the Art
Aerodynamics
Beautiful Styling
15
Architecture
Architectural Goals
Highly Efficient
Structure
Generous GT
Packaging
Robust Safety
Aston Martin DB11, GALM, Birmingham, 2017
State of the Art
Aerodynamics
Beautiful Styling
16
Architecture
Material Mix – Underframe
DB9
• Aluminium Extrusion intensive whilst also utilising gravity die Castings and both simple and
superplastically formed 5XXX Series Sheet
0%
0%
Material Mix by Mass
Aluminium Sheet 5XXX Series
Aluminium Sheet 6XXX Series
Aluminium Die Castings
Aluminium Extrusion Profiles
Aston Martin DB11, GALM, Birmingham, 2017
17
Architecture
Material Mix – Underframe
DB11 Platform
• Over twice the amount of aluminium sheet metal used compared to DB9
• 6XXX series sheet for increased strength over 5XXX series
• Integration of a one piece structural bodyside
18%
41%
6%
35%
Material Mix by Mass
Aluminium Sheet 5XXX Series
Aluminium Sheet 6XXX Series
Aluminium Die Castings
Aluminium Extrusion Profiles
DB11 Underframe
Aston Martin DB11, GALM, Birmingham, 2017
18
Architecture
Material Mix – Underframe
• Aluminium Sheet metal used in areas for package efficiency, organic development through
CAE, robust body sealing and dimensional accuracy
6%
18%
41%
35%
Material Mix by Mass
Aluminium Sheet 5XXX Series
Aluminium Sheet 6XXX Series
Aluminium Die Castings
Aluminium Extrusion Profiles
Aston Martin DB11, GALM, Birmingham, 2017
19
Architecture
Material Mix – Underframe
• Aluminium gravity die castings for integration and complex nodal joints
18%
6%
41%
35%
Material Mix by Mass
Aluminium Sheet 5XXX Series
Aluminium Sheet 6XXX Series
Aluminium Die Castings
Aluminium Extrusion Profiles
Aston Martin DB11, GALM, Birmingham, 2017
20
Architecture
Material Mix – Underframe
• Aluminium extrusion profiles for crash load paths and reinforcements
18%
6%
41%
35%
Material Mix by Mass
Aluminium Sheet 5XXX Series
Aluminium Sheet 6XXX Series
Aluminium Die Castings
Aluminium Extrusion Profiles
Aston Martin DB11, GALM, Birmingham, 2017
21
Architecture
Material Mix – Body + Closures
11%
42%
38%
4% 5%
DB11 Body & Closures Material
Mix
(Excluding
Aluminium DieUnderframe)
Castings
Aluminium Sheet 5XXX Series
Aluminium Sheet 6XXX Series
Mild Steel Sheet
Sheet Moulding Compound (SMC)
Aston Martin DB11, GALM, Birmingham, 2017
22
Architecture
Material Mix – Body + Closures
Closures
Skins
Front End
Module
Aston Martin DB11, GALM, Birmingham, 2017
Bridging
Structure
23
Architecture
Mass Reduction
Structural
Style +
Optimisation Joint Design/ Materials
Requirements Package
Integration
+5kg
-17kg
+14kg
40kg
-15kg
-8kg
247kg
268kg
DB9
Aston Martin DB11, GALM, Birmingham, 2017
DB9 BIW
DB11
24
Architecture
Mass Reduction
Structural
Style +
Requirements Package
+5kg
19kg
+14kg
268kg
DB9
Aston Martin DB11, GALM, Birmingham, 2017
DB9 BIW
25
Architecture
Mass Reduction
Structural
Style +
Optimisation Joint Design/ Materials
Requirements Package
Integration
+5kg
-17kg
19kg
+14kg
40kg
-15kg
-8kg
247kg
268kg
DB9
Aston Martin DB11, GALM, Birmingham, 2017
DB11
BIW
DB9 BIW
DB11
26
Architecture
Mass Reduction
Structural
Style +
Optimisation Joint Design/ Materials
Requirements Package
Integration
+5kg
-17kg
19kg
+14kg
40kg
-15kg
-8kg
247kg
268kg
DB9
Aston Martin DB11, GALM, Birmingham, 2017
DB11 BIW
DB11
27
Architecture
Mass Reduction – Optimisation
Topology Optimisation
Design Space Creation
Aston Martin DB11, GALM, Birmingham, 2017
28
Architecture
Mass Reduction – Optimisation
Topology Optimisation
• Topological optimisation to
minimize mass using derived
stiffness targets for multiple
loadcases
Aston Martin DB11, GALM, Birmingham, 2017
29
Architecture
Mass Reduction – Optimisation
Topology Optimisation
Where material
is wanted
CAE
Aston Martin DB11, GALM, Birmingham, 2017
CAD
Initial concept to
deliver load
paths
CAE
CAD
Final Production
Form
30
Architecture
Mass Reduction – Optimisation
Casting Shape
Optimisation
Design Space for
start of shape
optimisation
Aston Martin DB11, GALM, Birmingham, 2017
CAE
CA
D
Casting Shape
optimisation from
CAE into CAD
31
Architecture
Mass Reduction – Optimisation
Casting Shape
Optimisation
Starting model for
CAE
development
CAE
Aston Martin DB11, GALM, Birmingham, 2017
CA
D
Casting
manufacturing
simulation
sympathetic to stress
map for wall thickness
optimisation
CAE
CA
D
Final manufactured
form w/ optimised
mechanical properties
and wall thickness
32
Architecture
Mass Reduction – Optimisation
Gauge Optimisation
•
Completed throughout design development to inform design and
understand redundant material
•
First applied using global statics and dynamics…
•
…then iteratively balanced with energy management
requirements
•
Applied with component manufacturing feasibility constraints and
for commercial benefit of sheet availability
Aston Martin DB11, GALM, Birmingham, 2017
33
Architecture
Mass Reduction – Optimisation
Stamping Simulation
• Finished part gauge prediction using forming simulation
• Finished Part strength and elongation mapping ! further gauge optimisation
Thinnin
g
Aston Martin DB11, GALM, Birmingham, 2017
Effective Plastic
Strain Map
34
Architecture
Mass Reduction
Structural
Style +
Optimisation Joint Design/ Materials
Requirements Package
Integration
+5kg
-17kg
19kg
+14kg
40kg
-15kg
-8kg
247kg
268kg
DB9
Aston Martin DB11, GALM, Birmingham, 2017
DB11 BIW
DB11
35
Architecture
Mass Reduction – Joint Design / Integration
Functional Integration – A Pillar Castings
•
•
•
•
•
Door Hinges
Bonnet Latches
Door Gas Strut Body Mount
Wipers
Damper Top Longitudinal Reinforcement
Aston Martin DB11, GALM, Birmingham, 2017
36
Architecture
Mass Reduction – Joint Design / Integration
Functional Integration – A Pillar Castings
•
•
•
•
•
•
Door Hinges
Bonnet Latches
Door Gas Strut Body Mount
Wipers
Damper Top Longitudinal Reinforcement
IP Cross Car Beam Mountings
6 Major Vehicle Systems Mounted to 1 Node
Aston Martin DB11, GALM, Birmingham, 2017
37
Architecture
Mass Reduction – Joint Design / Integration
Functional Integration – A Pillar Castings
•
•
•
•
•
•
Door Hinges
Bonnet Latches
Door Gas Strut Body Mount
Wipers
Damper Top Longitudinal Reinforcement
IP Cross Car Beam Mountings
6 Major Vehicle Systems Mounted to 1 Node
•
Node Also Forms Major Part of the Loadpaths for:
- Roof Crush
- Front Impact (e.g. 64ODB)
- Side Impact (e.g. Fed side barrier)
- Torsional & Bending Stiffness
Aston Martin DB11, GALM, Birmingham, 2017
38
Architecture
Mass Reduction – Joint Design / Integration
Functional Integration – Front Damper Mounting
•
Sand Cored hollow die casting used to reduce part count and
optimise package space to larger engine and for structural
efficiency
Hollow
Sand core
9 Parts
into 1
DB9
Aston Martin DB11, GALM, Birmingham, 2017
DB11
39
Architecture
Mass Reduction
Structural
Style +
Optimisation Joint Design/ Materials
Requirements Package
Integration
+5kg
-17kg
19kg
+14kg
40kg
-15kg
-8kg
247kg
268kg
DB9
Aston Martin DB11, GALM, Birmingham, 2017
DB11 BIW
DB11
40
Architecture
Mass Reduction – Materials
•
•
VH Platform used 5XXX for sheet metal
350
5XXX series has excellent formability but
low strength in comparison to those
available in heat treated 6XXX series
Heat Treatment required to achieve best
available strengths
300
250
Stress (MPa)
•
200
150
100
50
0
0
5
10
15
Strain (%)
20
25
30
6XXX Sheet
Aston Martin DB11, GALM, Birmingham, 2017
41
Architecture
Mass Reduction – Materials
•
High temperature oven used to cured adhesive
•
DB11 exploits adhesive oven curing process to
achieve in line alloy heat treatment at no extra cost
•
AA6016 selected due to reduced sensitivity to natural
aging in T4 condition (compared to other 6XXX) and
commercial availability
•
Dimensional issues of heat treatment removed by
baking as a structural assembly
Mill
Stamping
supplier
Conversion
coating
Assembly
Adhesive
Oven
Paint
Natural aging
Aston Martin DB11, GALM, Birmingham, 2017
42
Architecture
Mass Reduction – Materials
• Metal heat treatment limited by
adhesive cure requirements
300
250
Stress (MPa)
• Oven temperature profile optimised for
both adhesive performance and sheet
heat treatment through simulation
350
200
150
Temperature
100
Air Temp
Coldest Panel Temp
Hottest Panel Temp
WARM UP
OVEN
CURE OVEN 1 & 2
COOL
DOWN
Aston Martin DB11, GALM, Birmingham, 2017
50
0
0
Over 100% Increase in
strength whilst maintaining
formability!
5
10
15
Strain (%)
20
25
30
Time
43
Architecture
Ride & Handling – Full Body Stiffness
Outstanding
GT ride
Body Structural
Efficiency Targets
Ride & Handling Targets
Projected Area (m²)
M
Lightweight
=
Index
Kt x A
M = BIW Mass
Kt = Torsional Stiffness
A = Track x Wheelbase
Aston Martin DB11, GALM, Birmingham, 2017
Torsional Stiffness (kNm/°)
4.60
24.5
4.29
DB9
34.0
DB11
6% bigger… Wider Track,
Longer Wheelbase
DB9
DB11
39% stiffer… Improvements
in bending and local
stiffness's combined with
robust modal alignment
44
Architecture
Ride & Handling – Full Body Stiffness
Outstanding
GT ride
Lightweight Index
Projected Area (m²)
2.69
Torsional Stiffness (kNm/°)
4.60
1.67
34.0
24.5
4.29
DB9
DB9
Body Structural
Efficiency Targets
Ride & Handling Targets
DB11
DB9
DB11
DB11
38% improvement…
Aston Martin DB11, GALM, Birmingham, 2017
6% bigger… Wider Track,
Longer Wheelbase
39% stiffer… Improvements
in bending and local
stiffness's combined with
robust modal alignment
45
Architecture
Ride & Handling – Full Body Stiffness
Torsion & Bending - Notable
features
Examples:
Optimized Organic-shaped
Structure
Engine Xbrace
Soft mounted rear sub-frame: True
GT
Tunnel brace
Sill Section: I & J values
Aston Martin DB11, GALM, Birmingham, 2017
46
Architecture
Architectural Goals
Highly Efficient
Structure
Generous GT
Packaging
Robust Safety
Aston Martin DB11, GALM, Birmingham, 2017
State of the Art
Aerodynamics
Beautiful Styling
47
Architecture
Packaging – Door Aperture
DB11
DB9
+85mm
+20mm
Increased use of sheet metal in DB11 versus extrusions in DB9 has allowed an overall increase in door
aperture length of 105mm, significantly aiding customer ingress and egress.
Aston Martin DB11, GALM, Birmingham, 2017
48
Architecture
Packaging – A-Pillar Visibility (HFQ®)
• Reducing A pillar size with increased roof crush requirements and low rake roof line
Aston Martin DB11, GALM, Birmingham, 2017
49
Architecture
Packaging – A-Pillar Visibility (HFQ®)
High Section
Modulus
Dimensio
n
Optimised
Internal
Radii – 1.5T
Dimension
optimised
Aston Martin DB11, GALM, Birmingham, 2017
Internal Radii
– 1.5T
HFQ® Sheet in
AA6082-T6 @
2.5mm Thickness
50
Architecture
Packaging – A-Pillar Visibility (HFQ®)
• Technology licensed
under Impression
Technologies
• Components are rapidly
formed at elevated
temperatures at which
ductility is high (e.g.
400-500°C) ! High form
Aston Martin DB11, GALM, Birmingham, 2017
Solution Heat
Treatment
Transfer
to press
Forming
Temperature
Blanking
Time
51
Architecture
Packaging – A-Pillar Visibility (HFQ®)
• Technology licensed
under Impression
Technologies
• Components are rapidly
formed at elevated
temperatures at which
ductility is high (e.g.
400-500°C) ! High form
Solution Heat
Treatment
Transfer
to press
Forming
In-die
Quenching
Post Form Heat Treat
Temperature
Blanking
5-20s typical
Time
• In-die Quenching means that 6XXX series grades leave the press in the solution heat treated
condition. Components are then artificially aged to T6 strengths ! High strength
• Hot Formed Quenching™ with AA6082-T6 is typically ~20% higher yield strength than AA6016AMH
Aston Martin DB11, GALM, Birmingham, 2017
52
Aston Martin DB11, GALM, Birmingham, 2017
53
Architecture
Architectural Goals
Highly Efficient
Structure
Generous GT
Packaging
Robust Safety
Aston Martin DB11, GALM, Birmingham, 2017
State of the Art
Aerodynamics
Beautiful Styling
54
Architecture
Robust Safety
Side Impacts
Front Impacts
(high and low speed)
Rear Impacts
(high and low speed)
Other strength
requirements:
e.g.FMVSS210
Roof Crush
Aston Martin DB11, GALM, Birmingham, 2017
Pedestrian
55
Architecture
Robust Safety – Front
Demanding Style
Aston Martin DB11, GALM, Birmingham, 2017
Extremely tight front package:
- Large twin-turbo V12 engine
- Short front overhang (reduced
16mm versus DB9)
56
Architecture
Robust Safety – Front
Front Crash Concept
Aston Martin DB11, GALM, Birmingham, 2017
57
Architecture
Robust Safety – Front
Front Impact 64ODB
Exceeds regulatory standards: Frontal offset deformable barrier performed not at the regulatory 56kph but at EuroNCAP
spec 64kph
CA
E
Aston Martin DB11, GALM, Birmingham, 2017
Tes
t
58
Architecture
Robust Safety – Front
Front Impact 64ODB – Development
Meticulously engineered to deliver the uncompromised style featuring a small front overhang and extremely tight
powertrain package
The
challenge
Enabling Secondary cans
to crush (sequentially)
Aston Martin DB11, GALM, Birmingham, 2017
The
development
The
concept
Front subframe structural
fuse
Sub-assembly
validation by CAE /
Test correlation
59
Architecture
Robust Safety – Front
Front Impact 64ODB – Development
Robust safety delivered: Under-view demonstrates the effective operation of the design
CA
E
Aston Martin DB11, GALM, Birmingham, 2017
Tes
t
60
Architecture
Robust Safety
Side Impacts
Front Impacts
(high and low speed)
Rear Impacts
(high and low speed)
Other strength
requirements:
e.g.FMVSS210
Roof Crush
Aston Martin DB11, GALM, Birmingham, 2017
Pedestrian
61
Architecture
Robust Safety – Side
Demanding Style
Aston Martin DB11, GALM, Birmingham, 2017
Heavily sculpted side profile:
- reduces visual weight of
vehicle
- allows for striking feature line
at bottom of door.
62
Architecture
Robust Safety – Side
Side Crash Concept
Aston Martin DB11, GALM, Birmingham, 2017
63
Architecture
Robust Safety – Side
Side Pole Impact
Side pole impact: Delivered with no compromise to the beautiful slim-waist body-style
CA
E
Aston Martin DB11, GALM, Birmingham, 2017
Tes
t
64
Architecture
Robust Safety – Side
DB9
DB11
The challenge:
- Heavily sculpted side profile results in a
limited section depth to sill in area
overlapping cross car structure
130mm
Aston Martin DB11, GALM, Birmingham, 2017
65mm
65
Architecture
Robust Safety – Side
Side Pole Impact – Development
Me#culously*engineered*from*component4level*to*whole4vehicle4level!
The
challenge
The
concept
The
development
Tunnel-brace key-hole feature
Door-beam slots
Occupant seated between:
High tunnel & low tapering sill
Aston Martin DB11, GALM, Birmingham, 2017
1. H-Frame underfloor loadpath
2. Slotted door beam
Component level
optimization by CAE &
Test
66
Architecture
Robust Safety – Side
Side Pole Impact – Development
CAE X-section and Crash-test on-board view demonstrate the robust performance of the underfloor load-path
CA
E
Aston Martin DB11, GALM, Birmingham, 2017
Tes
t
67
Architecture
Architectural Goals
Highly Efficient
Structure
Generous GT
Packaging
Robust Safety
Aston Martin DB11, GALM, Birmingham, 2017
State of the Art
Aerodynamics
Beautiful Styling
68
Architecture
Beautiful Styling – Clamshell Bonnet
Aston Martin DB11, GALM, Birmingham, 2017
69
Architecture
Beautiful Styling – Clamshell Bonnet
1933mm
1706mm
438mm
Outer: 1.1mm AC170
Inner: 1.0mm 5182
Single Draw Tool
Aston Martin DB11, GALM, Birmingham, 2017
70
Architecture
Beautiful Styling – Clamshell Bonnet
<30mm between
blank and draw
bead
Development Tool
24 feasibility simulations
3 draw bead recuts
40+ drawn shells
Aston Martin DB11, GALM, Birmingham, 2017
71
Architecture
Beautiful Styling – Authentically Low Front End
Bonnet to leading edge of vehicle
Low bonnet line
despite large V12 engine
910mm
Solid aluminium grille
Aston Martin DB11, GALM, Birmingham, 2017
Aggressive,
forward leaning
stance
72
Architecture
Beautiful Styling – Authentically Low Front End
Carefully placed cut outs in leading edge of
bonnet
Aston Martin DB11, GALM, Birmingham, 2017
Tuned sprung break outs between grille and
structure and splitter to undertray
73
Architecture
Beautiful Styling – Side Profile
Aston Martin DB11, GALM, Birmingham, 2017
74
Architecture
Beautiful Styling – Side Profile
-
AC200 aluminium using
3 stage hydraulic cold forming process
Draw, Re-draw, Restrike
220mm
Aston Martin DB11, GALM, Birmingham, 2017
75
Architecture
Architectural Goals
Highly Efficient
Structure
Generous GT
Packaging
Robust Safety
Aston Martin DB11, GALM, Birmingham, 2017
State of the Art
Aerodynamics
Beautiful Styling
76
Architecture
State of the Art Aerodynamics
Aeroducttm
Curlicue
Aston Martin DB11, GALM, Birmingham, 2017
77
Architecture
State of the Art Aerodynamics
Aeroducttm
Aeroducttm
Curlicue
Aston Martin DB11, GALM, Birmingham, 2017
78
Architecture
State of the Art Aerodynamics – Aeroduct®
Body mounted
duct
Dynamic sprung
body to decklid
Decklid
interface
mounted duct
Aston Martin DB11, Euro Car Body, Bad Nauheim, 2016
Deployable high
speed gurney
flap
79
DB11 – Project Mission
Architecture
Manufacturing
Summary
Aston Martin DB11, GALM, Birmingham, 2017
80
Manufacturing
Location
Engineering
Manufacturing
Design Studio
Prototype
Workshop
Gaydon
DB11 was designed, engineered
and is manufactured at our HQ in
Gaydon - UK
Total Plant Manufacturing Area:
38,000sqm
Aston Martin DB11, GALM, Birmingham, 2017
81
Manufacturing
Manufacturing Layout
Pilot Build
New Body
Shop for DB11
+ Future
Models
Legacy BIW
Production
All Legacy
Production
relocated –
Aug 2014.
Off Tracks
Assembly
Paint Plant
All Models
Legacy
Underframe
Production
DB11 Trim &
Final Assembly
Interior Trim Area
All Models
New Body Shop for DB11: 5,700sqm
Aston Martin DB11, GALM, Birmingham, 2017
82
Manufacturing
Assembly Sequence - Underframe
83
Underframe
Aston Martin DB11, GALM, Birmingham, 2017
Manufacturing
Assembly Sequence - Underframe
Aston Martin DB11, GALM, Birmingham, 2017
84
Manufacturing
Assembly Sequence – No Underframe Derivatisation
DB9
DB11
RHD
RHD & LHD
LHD
Single derivative out of body shop for both
hands and all world markets.
Aston Martin DB11, GALM, Birmingham, 2017
85
Manufacturing
Underframe Joining Summary
113m of hot cure
BETAMATETM structural
adhesive
841 Structural Rivets
437 Self Pierce Rivets
52 Drill Drive Screws
Aston Martin DB11, GALM, Birmingham, 2017
86
®™Trademark of The Dow Chemical Company (“Dow”) or an affiliated company of Dow!
Architecture
Joining Concept
Improved
stress
distribution
Improved
vehicle
stiffness
Tolerance
ability
Maintained
material
properties
ADHESIV
E
JOINING
Increased
design
flexibility
Adhesive selection
Improved
NVH
Surface pre-treatment
Improved
sealing
Improved
corrosion
resistanc
e
Aston Martin DB11, GALM, Birmingham, 2017
Joint Design
Adhesive processing
JOINT PERFORMANCE
87
Architecture
Joining Concept –Bill of Process to achieve Joint Perforamce
Supplied
components
Conversion &
Corrosion Coating
100% Robotic Adhesive
Application
CASTINGS
ANODISING
PANELS
l
Anode
(material to be anodised)
l
l
EXTRUSIONS
Aston Martin DB11, GALM, Birmingham, 2017
Cooling
~20 V 1.4
/ A/dm2
APPLIED AT PART LEVEL
l
l
Cathode
Electrolyte
(sulphuric
acid)
l
88
Architecture
Joining Concept –Bill of Process to achieve Joint Perforamce
Create Joint
Mechanical Joint
Closure
SPR
Single Sided
with matching
holes ! Gun
Access / Part
Self Location
DDS
Aston Martin DB11, GALM, Birmingham, 2017
Adhesive Cure
Double Sided !
Part Fixture
Located / No
Holes Required
OVEN
STRUCTURA
L RIVET
Single Sided with
Pilot ! Gun
Access / Joint
Size / Earth
Continuity
89
Architecture
Joining Concept –Bill of Process to achieve Joint Perforamce
Adhesive Cure
Large Temperature Delta
100%
Cure %
Temp (DegC)
Adhesive Temp
Cure %
Ramp Up
OVEN
Adhesive not cured.
Parts free to
expand.
Time (Mins)
Aston Martin DB11, GALM, Birmingham, 2017
90
Architecture
Joining Concept –Bill of Process to achieve Joint Perforamce
Adhesive Cure
Part Expansion minimized
through adhesive cure
100%
Adhesive
fully cured
Ramp Up
Cure
Cure %
Temp (DegC)
Adhesive Temp
Cure %
OVEN
Time (Mins)
Aston Martin DB11, GALM, Birmingham, 2017
91
Architecture
Joining Concept –Bill of Process to achieve Joint Perforamce
Adhesive Cure
100%
Controlled part contraction
Ramp Up
Cure
Cool Down
Cure %
Temp (DegC)
Adhesive Temp
Cure %
OVEN
Time (Mins)
Aston Martin DB11, GALM, Birmingham, 2017
92
Oven
Manufacturing
Assembly Sequence – Framing
Aston Martin DB11, GALM, Birmingham, 2017
Underframe
Framing
93
Manufacturing
Framing Joining Summary
39m of cold cure BETAFORCETM
PU adhesive
Allows +/- tolerance
compensation through bond
squeeze out to enable position of
panels to be set independently of
underframe variability.
Aston Martin DB11, GALM, Birmingham, 2017
94
®™Trademark of The Dow Chemical Company (“Dow”) or an affiliated company of Dow!
Manufacturing
Assembly Sequence – Framing
Aston Martin DB11, GALM, Birmingham, 2017
95
Oven
Assembly Sequence – Closures
Aston Martin DB11, GALM, Birmingham, 2017
Underframe
Framing
Closures
96
Manufacturing
Assembly Sequence – Closures
Aston Martin DB11, GALM, Birmingham, 2017
97
Manufacturing Assembly Sequence
Paint Process
Process:
• Low temperature paint cycle (90°).
• Whole body including hang-ons
and trim items painted together
Benefits:
• No body variation introduced
through paint process
• Allows hand polishing to achieve
mirror finish
• No colour mismatch
Aston Martin DB11, GALM, Birmingham, 2017
98
DB11 – Project Mission
Architecture
Manufacturing
Summary
Aston Martin DB11, GALM, Birmingham, 2017
99
Reviews
“The Aston Martin DB11 spearheads a completely new
model range explosion by Aston. And it's brilliant“ Autocar
“Even on this initial showing the new DB11 is clearly the
best Aston Martin in decades“ Auto Express
“The best drive of my career. As unique as it is beautiful…
to call the DB11 brilliant is an understatement” The
National Post
“There are no cracks to paper over with the DB11, no
eccentricities to excuse. It's the best, most completely
resolved new Aston Martin in the company's history.”
Motor Trend
Aston Martin DB11, GALM, Birmingham, 2017
100
Aston Martin DB11, GALM, Birmingham, 2017
101