Metal 3D printing is leading the innovations in motor sport

Dipl.-Ing. Ralf FrohwerkGlobal Head of Business Development

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3D metal printed brake caliper out of titanium

3D metal printed brake caliper out of titaniumThe Chiron is the most powerful, fastest and exclusive production super sports car

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Built on SLM500 Quad Build time: 45hNo of Layers: 2213

The largest functional component 3D printed out of titanium. Ti6Al4V (Grade23)

Tensile strength: 1250 N/mm2Dimensions: 41 cm x 21 cm x 13.6 cm 2 kg lighter than its 4.9 kg machined aluminum counterpart.

Project in cooperation of:

Functional - Test:From 375 to 80 Km/hBreak pressure : 110 barBreak disc temp.: 1100 °C

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SLM applications are well known in the automotive market

Lübeck, Germany

Detroit

Singapore

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SLM Solutions: Leading provider of metal based -Selective Laser Melting „3D printing“ machines

Headquarters

Distribution partners

SLM Solutions – Subsidiary

Shanghai

Moscow

Bangalore

§ > 500 SLM machines installed globally

§ > 420 employees global

§ Global presence in 43 countries

MilanParis

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The new Headquarter - Grand Opening August 24, 2018

7.000m² Office Space

17.000m² Production-, R&D-, Application- and Logistic Space,

MEDICALDENTALAEROSPACEAUTOMOTIVETOOLINGENERGY

SLM Solutions Group is already operating in key industries

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Selective Laser MeltingTechnology & Process

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Powder bed fusion: Selective Laser Melting (SLM) cyclic-process

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Finish part with supportstructure welded on the

substrate plate

Selective Laser Melting with Metal Powder

Aluminum Alloys

Stainless and Tool Steels

Nickel-Based Alloys Titanium Alloys Cobalt Alloys Copper Alloys

Invar 36®

AlSi7Mg

AlSi9Cu3

1.4542 (17-4PH)

1.4545 (15-5PH)

1.2344 (H 13)

1.4404 (316L)

1.2709

HX (2.4665)

IN939

IN718

IN625

TA15

Ti6Al4V Grade 23

Pure Titanium (Gd. II)

SLM® Medi-Dent

CoCr28Mo6 CuSn10 BronzeAlSi10Mg

Qualified Material SolutionsPowder experts are always developing new alloys optimized for selective laser melting

CuNi2SiCr

Selective Laser Melting Machines

SLM®125 SLM®280 SLM®500 SLM®800

Build Envelope 125 x 125 x 125 mm4.9 x 4.9 x 4.9 in

280 x 280 x 365 mm11 x 11 x 14 in

500 x 280 x 365 mm19.7 x 11 x 4 in

500 x 280 x 850 mm19.7 x 11 x 33 in

Laser Configurations

Single (1x 400W) Single (1x 400W / 700W)Twin (2x 400W / 700W)Dual (1x 700W & 1x 1000W)

Twin (2x 400W / 700W)Quad (4x 400W / 700W)

Quad (4x 400W / 700W)

Build Rate up to 25cm3/h up to 55cm3/h up to 171cm3/h up to 171cm3/h

Optical Design for multiple QUAD production

Fibre laser 4 x 400W

SM „Gaus“ Profile

3D Scan-Optic without F-Theta

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SLM 500HL - Quad Scan-Head (clone and independent)

Overlap areas with the same high density and mechanical propertiescompared to single scanner/laser area?

YES!

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Case StudyAutomotive

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Automotive Applications

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Hydraulic control unit from a CVT transmission Comparison: Die cast vs. SLM process

Material: Aluminum AlloyWeight: 930gBuild Time: 19h 25minSurface RoughnessSurface Flatness < 0,4Tolerances < +/- 0,2 X-Ray AnalysisDensityHardness Tensile Strength

Built on SLM 280 - Twin

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Hydraulic control unit from a CVT transmission Durability test

Completed with a machined and preassembled hydraulic control unit and tested in a CVT transmissionThis test represents the life time of the transmission in the car, 60.000km on a test benchTest cycle: 10 - 120°C, 6 wks. 24h/day

After the test, the part was dimensionally and functionally OK

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Automotive: Gear Housing – Potential for innovative design

Material: AlSi10MgWeight: 3920 g / Volume: 1452 cm³ Build Time: 3d 10h 56 min (2pc) – 50µmNumber of Slices: 6090Weight Optimization of 30 %

Built on SLM 500 - Quad

Engine Block Bracket`s – Porsche 911Material: AlSi10MgWeight: 1340 g / pc.Weight Optimization: 20 % Due to lattice structure design!

Built on SLM 500 - Quad

Cooperation Project:

“Haldex” – Housing and Bracket of Front-Axis-Differential

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Current 2 piece designTotal Weight: 2,328 Kg1,890 Kg Housing and 0,438 Kg Bracket

New 1 piece designTotal weight: 1,171 Kg

Built on SLM 280 - Single

- 50,3 %

Material: AlSi10MgBuild Time: 56h (2 pc)

Topology OptimizationBionic - Design

Automotive: Exhaust pipes Material: NiCr22Mo9Nb - Inconel 625

Automotive: Turbocharger Material: AlSi10Mg3

Design and Function Optimizationdue to SLM Process!

Built on SLM 280 - Twin

Automotive Project:

contact: Jonathan@MimoTechnik.com

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Automotive: Porsche 991/Carrera – GTS – Targa

Components:

Intercoolers: AlSi10Mg - SLM 500

Intake Manifold: AlSi10Mg - SLM 500

Turbo Chargers: CNC Machined

Inlet Tubes: CNC Bent

Exhaust Manifolds: Inconel 625 -SLM 280

Exhaust Downpipes: Inconel 625 - SLM 280

Exhaust Tips: Haynes 282 - SLM 280

SLM technology drive up the Power HP up from 370 to 660

(WHP, measured at tires on rollers)

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Exhaust – Tail pipe set

Automotive: Material: Steel 316lLayer thickness: 50µmBuild time: 45h – 1 set.Post processing: Sandblast and

Barrel finishing

Built on: SLM 280 Single

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Aftermarket part:Front - timing cover – „Cadillac Eldorado“ – Modell 1967

Damaged Front timing cover !

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Aftermarket part:Front - timing cover – „Cadillac Eldorado“ – Modell 1967

Gom – Scanner operationTime: 2 h

CAD – re – modelling of the timing cover into the original versionTime: 19 h (one time action !)

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Printing of new re-designed coverMaterial: AlSi10MgWeight: 2,32 Kg (3,98 Kg with supports)Build Time on SLM280 Twin: 42 h

Post processing:Time to removing support: 3 h Time for surface machining: 10 h

Total time for 1.piece: 76 hTotal time for further production: 55 h

Aftermarket part:Front - timing cover – „Cadillac Eldorado“ – Modell 1967

Printed engine project:

• Printed parts:• CylinderHead• Cylinder• Crankshafthousing-right& leftside• Clutchcover• Cam Cover• Stearingcover• Oilfiltercover• Oilpump cover

• The goal of the project was to test the technology for the future usage

First global 3D printed Formula Student Race Engine

SLM Solutions Group AG company presentation – 5. Automotive AM Conference – Munich May 07&08.2019 – Ralf Frohwerk

+32 %

+25 %

SZEngine EVO6:

• Increased stroke: 72 à 76 mm

• Change fuel to ethanol

• Increased compression ratio: 13,5 à 15,5

• Modified intake cam profile

First global 3D printed Formula Student Race Engine

SLM Solutions Group AG company presentation – 5. Automotive AM Conference – Munich May 07&08.2019 – Ralf Frohwerk

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First global 3D printed Formula Student Race Engine

Future plans:

• Further work with the cylinder head• Different designs for the test bench and

the races• Possibility to work with different intake

port designs

• First prototype of the Crankshaft• Find the most ideally position for the

balancing weight with the lightest design

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Automotive: F1 – Lower Winglets

Established in 1983, specialising in

Additive Manufacturing &

Precision Engineering

35 Years of Prototyping Excellence

• Additive Manufacturing

• Precision CNC Machining

• Vacuum Casting

• Specialist Model Making

365 mm

192

mm

§ Material: AlSi10Mg § Part weight: 0,450 Kg

§ 0.5mm wall thickness with printed internal structure for strength and stability

§ Fins “hollowed” out for weight optimisation

§ Finished component with additional polishing

Manufacturing time:STL Preparation 4 hrsPrinting Process 11 hrsRemove Supports 1 hrPolishing Features 48 hrsTotal Time 64 hrs

Build on SLM 500 Quad

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Automotive - Cylinder Head Project

Built on SLM 500HL- Quad

Material: AlSi10MgBuild time: 5 days + 5h (125h)

SLM Part in Series Production for Chiron !

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- Motor Bracket with integrated cooling channel

- Supplier:

- SOP - Start of Production (of the SLM part): May 2016- Material: AlSi10Mg- Build on: SLM 280 Twin

The world's most powerful road car with 1500 Ps !

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Cam Cover for Chiron, build on SLM 800!

Material: AlSi10 MgLayerthickness: 60 µmBuild Time: 4d 7h 42minFull loaded: 8 pcWeight: app. 2,5 Kg/ pc

Under Development:To build the part with 90µmBuild time reduction app. 20%

735

mm

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The World`s first 3D Printed Super Car !

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The 3D-printed ‘Blade'

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Blade Chassis Assembly Video

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The 3D-printed ‘Blade' - Los Angeles Auto Show

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Honda Monkey – Jane Design Concept

Material: AlSi10Mg Design optimization in function and weight !

Mudgard:SLM 500 Quad

430 g - 14h

Luggage Rack:SLM 500 Quad

1175 g - 18h

Brake & Clutch Levers:SLM 280 Twin

52 & 57 g - 3h / setPetrol - Tank:

SLM 800 Quad3280 g - 27h

Gauge Bracket:SLM 280 Twin

110 g - 3h

www.slm-solutions.com

Thank you for listening!

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Disclaimer

This Presentation has been produced by SLM Solutions Group AG (in the course of formation) (the “Company”) and no one else and is furnished to you solely for yourinformation.

This document contains certain forward-looking statements relating to the business, financial performance and results of the Company and/or the industry in which theCompany operates. Forward-looking statements concern future circumstances and results and other statements that are not historical facts, sometimes identified by thewords “believes,” “expects,” “predicts,” “intends,” “projects,” “plans,” “estimates,” “aims,” “foresees,” “anticipates,” “targets,” and similar expressions. The forward-lookingstatements, including assumptions, opinions and views of the Company or cited from third party sources, contained in this Presentation are solely opinions and forecastswhich are uncertain and subject to risks. A multitude of factors can cause actual events to differ significantly from any anticipated development. None of the Company or anyother person guarantees that the assumptions underlying such forward-looking statements are free from errors nor do they accept any responsibility for the future accuracyof the opinions expressed in this Presentation or the actual occurrence of the forecasted developments.

No representation or warranty (express or implied) is made as to, and no reliance should be placed on, any information, including projections, estimates, targets andopinions, contained herein, and no liability whatsoever is accepted as to any errors, omissions or misstatements contained herein, and, accordingly, none of the Company orany other person or any of its parent or subsidiary undertakings or any of such person’s officers or employees accepts any liability whatsoever arising directly or indirectlyfrom the use of this document.

By reviewing this Presentation you acknowledge that you will be solely responsible for your own assessment of the Company, the market and the market position of theCompany and that you will conduct your own analysis and be solely responsible for forming your own view of the potential future performance of the Company’s business.

This publication constitutes neither an offer to sell nor an invitation to buy securities.

This Presentation speaks as of 07-Apr-14. Nothing shall under any circumstances, create any implication that there has been no change in the affairs of the Company sincesuch date.

This presentation is not for publication or distribution, directly or indirectly, in or into the United States of America. This presentation is not an offer of securities for sale intothe United States. The securities referred to herein have not been and will not be registered under the U.S. Securities Act of 1933, as amended, and may not be offered orsold in the United States, except pursuant to an applicable exemption from registration. No public offering of securities is being made in the United States. No offer or sale oftransferable securities is being, or will be, made to the public outside Germany and Luxembourg. Offers in Germany and Luxembourg will be made exclusively by means ofand on the basis of a prospectus that will be published and will be available free of charge inter alia at the Company.