Post on 31-Mar-2018
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RANGE OF PRODUCTS AND SERVICES
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and Contact Parts
Contact Rivets Stamping Technology Electro-mechanical ComponentsSurface and Coating TechnologyPrecious Metal recycling and Silver Powders
Contact Materials, Semi-finished Products
Your Partner for Premium Contact Technology
DODUCO is a global leader when it comes to electrical contacts. Since over 90 years we have been active in precious metal processing.Our broad experience and know-how enables us to be a reliable partner to our customers as a supplier of products and services – in all stages of product deve-lopment and planning, all the way to manufacturing and recycling.
DODUCO serves the electrical, electro-nics, automotive and many other indus-tries through its business units for pre-cious metal contact materials, stamping technology, contact parts, for high and medium voltage, electromechanical components, surface coatings and precious metal recycling.
By combining these different technolo-gies we can create optimal technical and economical solutions. Our in-house application and testing laboratories with state-of-the-art equipment allows us to conduct fundamental research, optimize products and processes and find inno-vative solutions. With production
facilities in Germany (Pforzheim, Sinsheim), Spain (Madrid) and in China (Tianjin) we are close to development and manufacturing centers of leading customer companies. Our global sales organization is ready to serve as a contact partner in most countries around the world.
Market driven dynamics and customer oriented services the business principles we live by.The basis of this philosophy was esta-blished by the company founder Dr. Eugen Dürrwächter. In 1922 he started DODUCO as a precious metal refining company for gold, silver and platinum materials for the reclamation and re-use in jewelry making in Pforzheim, the jewelry center of Germany. The deve-lopment of improved processing allowed the jewelry industry to introduce many new products to their market.
Soon after Dr. Dürrwächter realized that the growing electrical industry provided a new market opportunity for related materials. DODUCO engaged very early
in the manufacturing of precious metal electrical contacts and their alloys and in 1932 established a dedicated factory for contact manufacturing. By investing in new technologies and based on the innovation driven spirit of its employees DODUCO developed over the years into a technology company and a world leader in electrical contact manufac-turing. Today DODUCO is an internatio-nally operating company with approxi-mately 1.300 employees worldwide.
Optimizing existing and developing new, innovative and environmentally friendly products, processes and technologies ensures the long term growth objectives of the company – always with advan-tages to our customers in mind and supported by the exceptional know-ledge and motivation of our employees.
To our customers the name DODUCO is a trademark for quality and at the same time synonymous for technological leadership and customer service in all areas of contact manufacturing and sales – with a unique depth of processing and product technologies.
Product Development
Product Delivery
New products offer new opportu-nities for our customers.To quickly respond to the many market challenges you should from the start take advantage of the technological competence of DODUCO.
As a true cooperation partner we actively incorporate our knowledge and expe- rience into the improvement and new development of customer products.
We can apply our unique and compre-hensive depth of manufacturing: fromcontact materials manufacturing by powder and melt metallurgy all the way to electromechanical components, from precision stamping through contact parts and surface coatings to the complete range of precious metal recycling. Every single step of production can be
employed in the manufacturing of simple contact parts up to seamless solutions to customer project requirements.
Our application and process engineers and development staff are available in the early design stage with concept developments for meeting the require-ments of the new product regarding resource utilization and cost-benefit profiles. Many years of experience are employed to evaluate design principles, the electrical and mechanical require-ments and to select the most suitable contact materials. We also consider the influences of applied manufacturing technologies and the environmental effects on the design and materials.
Early on technical, economical and logistics aspects are considered.
DODUCO employees can assume the role of project managers or can pragma-tically cooperate with the customer's experts.
Our project management serves as the link between the customer and manufac-turing, product development, suppliers, the laboratory services involved and quality assurance. It coordinates tech-nical alternatives and transparently monitors and controls time tables, costs and additional measures as required. Focal points are always the customer's product, optimal quality and the shortest possible time-to-market.
At DODUCO development cooperation always means responsible, open and target oriented cooperation with our partners.
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RANGE OF PRODUCTS AND SERVICES
Results-oriented
Development Cooperation
DODUCO is your expert in electrical contacts For over 80 years our world has cen-tered on precious metals and the con-duction of electrical energy. We conduct basic research, development in the areas of new materials manufacturing and processing technologies involved in the production of electrical contacts. We disseminate our expertise through publications, presentations at technical seminars and conferences and through application engineering. We also parti-cipate in cooperative development partnerships with various institutions.
DODUCO develops new electrical contactsThe requirements on electrical contacts are very versatile. Current, voltage, load
characteristics, geometry, kinetics and kinematics are different for every appli-cation. They pose a new challenge with every new project. DODUCO has a very broad spectrum of contact materials and processing technologies. These are constantly improved upon in an applica-tion based and project oriented way.
DODUCO offers comprehensive technical application engineering The most suitable selection of contact materials requires expert knowledge. Our application engineers are specialists in their respective fields. They contribute to the project and give successful advice during all project phases. They are supported in their efforts by our modern equipped application and test laboratories.
DODUCO has the full depth of manufacturing technologiesWe exemplify a unique and comprehen-sive depth of manufacturing: from precious metal refining through semi-finished materials manufacturing by powder and melt metallurgy all the way to precious metal contacts. Stamping technology, plastic molding, electro-plating and the whole range of welding and rivet staking techniques – our know-how is at your disposal. Every level of manufacturing depth, from a simple contact part up to seamless solutions for complex components is available.
C o n tact Materials, Semi-Finished Products, Contact Parts for
Power Engineering and I nformation TechnologyCompetency in Electrical ContactsThe properties of the contact material are the deciding factors for the reliable function of the contact spots in any electromechanical device. From a broad range of contact materials we develop and manufacture semi-finished products and contact parts, which are optimized towards the application in electromecha-nical switching devices and electronic components. Using the most environ-mentally friendly composite materials and alloys, such as for example Silver-Tin Oxide, is of increasing importance.
Contact Materials for Information Technology
Favorable electrical properties for a broad application range.
Combines the best electrical and thermal conductivity with very good chemical stability.
Better arc erosion resistance than Fine Silver.
Strongly increased mechanical proper-ties with decreased chemical stability, compared to ARGODUR Spezial.
In precipitation hardened condition suitable as temperature stable spring and contact material for higher power relays.
Silver and Silver Alloys (Ag, AgCu):
Fine Silver (Ag):
ARGODUR Spezial (Fine Grain Silver AgNi 0.15):
ARGODUR 27 (AgCuNi) and Hard Silver (AgCu):
ARGODUR 32 (AgMgNi):
Silver-Palladium (AgPd):
Gold-, Platinum- and Palladium-Alloys:
Gold-Cobalt (AuCo) and Palladium-Copper (PdCu):
Gold-Nickel (AuNi) and Gold-Silver-Nickel (AuAgNi):
Sulfur resistant contacts.
For highest requirements on corrosion resistance.
With special microstructure, resistant against material transfer in DC circuits.
Significantly improved mechanical strength compared to Gold. For high reliability contacts for switching low loads.
Contact parts for low voltage power engineering
RANGE OF PRODUCTS AND SERVICES
Semi-finished MaterialsWire, strip and profiles from precious metals, their alloys and composite materials.
Solid, also electroplated with Silver or Gold
Electroplated with Silver or Gold. Totally clad on one or both sides (Overlay). Clad as stripe on strip or at edge with precious metal or Aluminum (Inlay, Edgelay) – also known as Contact-Bimetals.Selectively electroplated with Silver, Gold, Palladium, TinTinned by hot-dipping in stripe form or at edges
Solid, two- or multiple layers as miniature profile.Brazed onto substrate strip material as Toplay profile. Seamwelded onto thin spring-hard carrier strips as FDR profile.
With high electrical conductivity
Multi-layer composite materials with good spring properties and high electri-cal conductivity
Contact Materials for Power Engineering
For auxiliary current switches, relays and circuit breakers (with Silver-Graphite as mating contact)
Manufactured by powder metallurgy (AgSnO with and without additives) or 2
internally oxidized (with In O ). 2 3
Environmentally friendly and arc erosion resistant contacts for relays, contactors and circuit breakers.
Wire
Strip
Profiles
Silver Bronze
CONDUFLEX High Conductivity Spring Materials
SINIDUR, Silver-Nickel (Ag/Ni):
SISTADOX, Silver-Tin Oxide (Ag/SnO ):2
DODURIT ZnO, Silver-Zinc Oxide (Ag/ZnO):
DODURIT CdO, Silver-Cadmium Oxide (Ag/CdO):
GRAPHOR, Silver-Graphite (Ag/C):
SIWODUR, Silver-Tungsten and Silver-Tungsten Carbide (Ag/W and Ag/WC):
SILMODUR, Silver-Molybdenum (Ag/Mo):
CUWODUR, Tungsten-Copper (W/Cu):
VAKURIT, Low gas content materials based on Copper-Chromium and Tungsten-Copper (Cu/Cr and W/Cu):
For current limiting powder switches, motor protectors and for electrical wiring applications.
Internally oxidized or made by powder metallurgy. High load contacts in low voltage switching devices.
For switching contacts with extremely high resistance to contact welding in circuit breakers and for sliding contacts.
For circuit breakers and protective power switches.
As highly arc erosion resistant contacts in circuit breakers.
Extremely arc erosion resistant for load switches and circuit breakers in medium and high voltage switchgear.
For vacuum switches and circuit breakers.
Contact Parts for Power Engineering
Solid from Silver, Silver alloys and composite materials.
With contact layers of Silver, Silver alloys, Silver-Metal Oxide or Silver-Nickel on a copper base.
With bottom layer suitable for brazing or welding, also with brazing alloy coated underside.
With contact material surface layer and weldable material on bottom.
Welded contact assemblies.
With Tungsten-Copper tips.
With Tungsten-Copper layers on Copper or Copper-Chromium-Zirconium carriers.
From Copper-Chromium-Zirconium for current carrying main contacts.
From low gas content materials based on Tungsten-Copper or Copper-Chromium for vacuum switches.
Contact Rivets
Composite Bi- or Tri-metal Rivets
Contact Tips
Weld Buttons
Rivet-staked, Brazed, Welded or Clad Contact Parts
FULMIDUR
Contact Pins and Arc Tip Assemblies
Contact Tulips and Tubes
Spring-loaded Contact Tulips
Contact Discs, Rings and Formed Parts
CUWODUR microstructure
Refractory contacts for high voltage power enginieering
SISTADOX 12 WPD with braze alloy backing
The Full Production Competency in Stamping Technology
DODUCO manufactures precision stamped parts incorporating electrical contact functions. These can be welded, brazed, riveted, coated by electro-plating, clad or mechanically mounted and assembled. Depending on our customer's requirements we supply these products as individual parts, pre-stamped strips, in comb segments or blister packaged.
Welded Stamped PartsThe contacts are attached by resistance welding from wire, profiles or by feeding of single contacts. Depending on the application, Gold, Silver or Palladium based contact materials are used.
Riveted Stamped Parts Utilizing composite Bi- or Tri-metal rivets manufactured at our facility in Spain
allows to keep the usage of precious metal at the absolute minimum required for reliable switching functions.During wire-staking – the forming of rivet shaped contacts in a progressive die – the contact rivet is produced without additional costs and allows significantly higher production speeds. Stamped Parts from Semi-finished Contact MaterialsStamped contact parts made from semi-finished strip material are economically manufactured endlessly and at high production rates.The contact materials made in our mill operations are based on Gold, Palladium and Silver. Aluminum is used as a bondable surface layer.
Subassembled Stamped PartsIn a progressive die the attachment of stamping frames to each other is performed by forming and riveting or by welding. This way the different properties of the individual components can be combined in the assembled stamped part. Such as, for example, high electri-cal conductivity with exceptional spring properties.
Added Value for Our CustomersBy linking the above technologies and adding multiple form tapping devices into a progressive die, we can offer to our customers the most economical solutions on the highest level.
Progressive die with assembling of springs
E le ctro-mechanical
Components
Over-molded components
Synergy of Material and FunctionIn Europe DODUCO develops and manufactures electromechanical com-ponents of varying complexity; if reques-ted, even electronic components can be incorporated, greatly expanding their functionality range. Combining plastics, metal parts and contact surface coa-tings leads to a complete solution which reduces for our customers the need for additional interfaces and produces signi-ficant cost savings. In order to accom-plish these goals we get involved in the early stages of development and design.
Hybrid frames for application in power electronics and automotive contact systems and management of control functions
Assembled components for hybrid applications and automotive mirror memory setting
Assembly Technology
Hybrid Housings
Stamped, plastic molded and discrete electronic components are assembled to components with new extended functionality.
Metal – Plastic composite components with single or multiple stamped and/or electronic insert parts for the application in electronic circuits.
Reel-to-Reel TechnologyContact systems combined in metal-plastic composites as a solution to customer-specific application requirements.
Products, Processes and Coatings
for the Surface TechnologyThe Unique Service CombinationThe combination of related products and services allows elaborate solutions from one source. DODUCO supplies precious and non precious metal electrolytes for technical and decorative applications and offers job-shop surface coating using all important processes.
Electroplating Solutions for Tech-nical and Decorative Applications
Acidic, neutral and cyanide gold electro-lytes for the deposition of Pure Gold, Hard Gold, Colored Gold and Gold Alloy layers. Electroless Gold baths and galva-no-forming solutions. High speed processes for reel-to-reel plating.
Gold Electrolytes
Platinum Metal Electrolytes
Silver Electrolytes
Non-precious Metal Electrolytes
CONTAMET
Electrolytes for the deposition of Ruthenium, Rhodium, Palladium, Palladium-Nickel and Platinum.
Electrolytes for the deposition of Hard and Pure Silver.
Copper and Nickel electrolytes for technical and decorative applications. Tin and Tin-Lead baths for electrical and electronic surface coatings.White and Yellow Bronze processes for technical and decorative applications.
Electroless Nickel baths for different technical applications.
DODUSTAN
DODUBOND
DOFLUX
Immersen Tin process for the electroless tinning of printed circuit board and other technical applications.
Electr.-Ni/Pd/Au ENIPIG and ENEPIG, Pd/Au EPIG process for surfaces for gold wire bonding.
Flux for hot air leveling with lead-free and lead containing Tin.
RANGE OF PRODUCTS AND SERVICES
Products for the Metal Surface Treatment Cleaning and polishing agents, Etching solutions, Metal strippers, Anti Tarnishings.
Precious Metal Salts and ConcentratesGold salts and Gold complexes, Silver salts, Concentrates for Platinum, Rhodium, Ruthenium- and Palladium electrolytes.
Precious Metal Preparations
For the manufacture of conducting coatings and circuit paths on glass, quartz and ceramics.
For the coating, contacting and bonding of plastics, metals, ceramics and glass.
For electrostatic and high-resistance applications.
Technical Consulting, assistance in
ARGONOR Silver for furnace firing
AUROMAL Silver Conductive Paints, Pastes And Conductive Adhesives
Electrically Conductive Single- and Two-Component Adhesives
GRAPHAROL Conductive Adhesives
Services
manufacturing, analytical analysis testing customer specific application and process development.
For brazing of automatically produced jewelry chains.
Job-shop Parts ElectroplatingPlating with Gold, hard Gold, Silver, hard Silver, Rhodium, Palladium, Palladium-Nickel and Platinum for electrical engineering and electronics, automotive components, aerospace industry, HF technology, chemical industry, mechanics, laser optics, measurement and control and medical technology.
Selective and spot plating of Gold and Silver on combs and single parts.
Internal plating of hollow parts.
Custom electroplating with controlled thicknesses:Silver up to 300 µm, hard Gold up to 30 µm, Fine Gold up to 100 µm.
With Copper, Nickel, Tin, Tin-Lead, Bronze-DODUBRONCE.
Rack- and barrel-plating.
Braze Alloy Powders
Non-precious Metal Surface Coatings
Chemical Electroless Nickel
Printed Circuit Board Plating
Printed Circuit Board Express Service
Chemical precipitation
Electrolytic deposition
Atomization
Flakes
Plating of rigid, rigid-flexible and flexible PCBs up to 610 x 605 mm with Nickel, Tin, Tin-Lead, Silver, Fine Gold, Hard Gold and Electroless Nickel/Gold – DODUCHEM and DODUBOND.Rhodium and Palladium coatings up to 500 x 400 mm and 300 x 400 mm resp.
Coating of conductive circuit paths on ceramic substrates with solderable and bondable (Al, Au wires) surfaces.
At our customer's request we can provide a turn-around time of 24 hours.
Coating of Al, Al alloys and Al composite materials with electroless Ni and electroplated solderable layer.
Silver Powder
fine, agglomerated / wide range of specific surface areas
dendritic / crystalline, densely agglomerated, medium to low specific surface areas
spherical / high tap density, low specific surface areas
Ceramic Substrates
Aluminum coatings
Coating technology for decorative and technical applications Electrolytes and processes for technical surfaces
Vacuum PVD coated parts
Reel-to-Reel Strip Electroplating
With Gold, Silver, Palladium-Nickel, Copper, Nickel, Tin and Tin-Lead.
In addition strips can also be tin coated by hot-tin-dipping.
On one or both sides of the strip material.
With precious metals, precious metal alloys, non-precious metals and alloys.
Specialty coatings such as Titanium/ Titanium Nitride, Chromium, Molybde-num, Tungsten and Aluminum.
Combined coatings of electroplated and PVD layers for high performance applications.
Technical consulting, development of customer specific coating properties, specialty coatings to agreed customer specifications.
Coating of strip, wire or stamped parts reel-to-reel
Full or selective coverage in stripes
PVD (Physical Vapor Deposition) Coatings
Process Combinations
Engineering Services
RANGE OF PRODUCTS AND SERVICES
Materials and Coatings for Electronics
Aluminum clad strip and stamped parts
Coating of AlSiC heat sinks
Molybdenum substrate discs
We Offer More for Power ElectronicsBased on our broad spectrum of materials and material combinations we offer comprehensive solutions for the electronic packaging and connection industry. They include selected materials structures and the deposition of defined coating.
AlSi1-clad copper and copper alloy strips with and without electroplated surfaces, and stamped parts.The connection between the connector and the electronic circuit is achieved by Aluminum wire bonding on AlSi1.
Aluminum-clad Strip And Stamped Parts for Housings in Controls And Power Electronics
Coating of Substrate Materials for Power ElectronicsMolybdenum substrate discs electropla-ted with precious and non-precious metals within close mechanical toleran-ces. Coatings are applied on both sides or selectively as required by the appli-
cation. Electroplated and chemical de-position of Nickel on composite Alumi-num/Silicon Carbide (AlSiC) material for soldering applications. AlSiC is increa-singly used as heat sink material in power electronics.
Precious metal melting Recycling equipment X-Ray-Analytical equipment
RANGE OF PRODUCTS AND SERVICES
Precious Metal Recycling for the World of Tomorrow
New Materials from ScrapOur precious metal refining facility uses efficient and environmentally safe pro-cesses to reclaim the precious metals Gold, Silver, Platinum, Palladium and Rhodium from different manufacturing residues. Precious metals are recovered from the following materials:
Clad strip and stamping scrapAlloying scrapSilver-Tungsten scrapBrazed and assembled contact parts
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Electroplating
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Processors and integrated circuitsCeramic substratesPaste coated foil scrapConnectors and switchesPrinted circuit boards
Surface coated metal scrapPrecious metal containing spent electrolytes and rinse waterSaturated resins and filters, electrolytically deposited precious metal powders and sludge
Catalysts
Others
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Automotive exhaust catalystsCatalysts from the chemical industrySilver catalysts
Jewelry alloys, jewelry making and dental alloy scrap
Comprehensive Quality and Environmental Management Benefitting Our Customers
DODUCO is the Right Partner for YouFor the development of a new product it is important to select the right partner who has the experience and resources to help in accomplishing your project objectives. DODUCO employs all key technologies, including contact material manufacturing, precision stamping, elec-tromechanical component assembly, surface coating and precious metal recycling. The necessary stamping and plastic molding dies are also produced in-house. This allows us to offer com-plete seamless solutions from a single source. For each of the manufacturing phases critical quality requirements can be established. This leads to the high quality standard of DODUCO.
DODUCO's quality management system is certified globally according to the DIN EN ISO 9001 standard. Depending on specific market requirements we are also certified for ISO TS 16949.
One of the key aims of our corporate philosophy is to develop technologies that benefit and do not endanger mankind and the environment.Accordingly, all our activities follow the dictates of ecological responsibility in the handling of natural resources and demonstrate environmental awareness. Our environmental management system is certified according to DIN EN ISO 14001.
Highest Quality Standards
Highest Environmental Standards
Our Competencies
Comprehensive application engineering assistance
We conduct electrical power performance and life testing according to DIN VDE 57660/Part 101-104, DIN VDE 57664,DIN VDE 57641.Power limits: 400V/6kA
Bounce characteristicsElectrical life of contact partsTemperature riseMake and break capacityArc movement behaviorChopping current characteristics for vacuum switch contacts
Contact resistance measurementMetallography:Microstructure analysisFailure analysis
Chemical Analysis:X-ray fluorescence (RFA)Atomic absorption spectroscopy (AAS) Gas content analysis
Surface Analysis:Scanning electron microscopy (SEM)Energy and wavelength dispersive X-ray analysis (EDX, WDX)
Concentrating on materials, surface technology, analytical methods, powder metallurgy, wear reducing surface layers (PVD), decorative and functional surface treatments (Electroplating, PVD)
Technical Consulting
Testing of Switching Devices
Material Testing and Surface Analysis
Research and Development Activities
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WE KNOW HOW
DODUCO GmbHIm Altgefäll 1275181 PforzheimGermanyPhone +49 7231 602-0Fax +49 7231 602-398
DODUCO GmbHBreite Seite 174889 SinsheimGermanyPhone +49 7261 409-0Fax +49 7261 409-288
~DODUCO ESPANA, S.L.Manises 128224 Pozuelo de AlarcónSpainPhone +34 91 799-4620Fax +34 91 799-4655
DODUCO CHINA Co. Ltd.11 Xinxing Road, Wuqing development AreaTianjin 301700 PRCPhone +86 22 82939 166Fax +86 22 82939 169
http://www.doduco.netMail: info@doduco.net