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Testing technologies

Adaptive chassis

Our components for pneumatic vehicle suspension

For spring system with level control

At Schröder, we know the high loads that suspension components are exposed to. And yet we still manage to reduce the use of materials, simplify production processes and guarantee quality. Transparent and seamless.

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Components, technologies, processes

Thermal Management by Schröder

Breakage and burst tests

We use special test procedures for highly resilient and safety-relevant components. One example is the burst test, in which a sealable housing is tested for tightness and pressure resistance. These procedures are also often very useful for welded parts, such as hydraulic connections.

Leak test

Helium is non-toxic and does not react with other materials. The ‘small’ gas molecule is inert and can therefore be used safely without reacting with any of the materials inside the part being tested. The small atomic radius enables fast testing and detection of even the smallest leaks. We also use a recovery system to reduce costs.

Assemblies

We offer the entire package from the first simulation to series production and assemble the vehicle suspension components largely fully automatically. Following the injection molding of the complex multi-chamber air suspension pots, we screw together Voss fittings, assemble connecting pins after pre-heating, join housing halves using hot gas welding, label components – and carry out close-meshed product testing during production.

Retrievability of production parameters

Complete traceability and protection against liability claims: Lasering a data matrix code has long proven its worth. In contrast to one-dimensional barcodes, DMCs’ require less contrast for machine readability and are more error-tolerant. This method is particularly suitable for sensitive, safety-relevant thermal management components. During assembly, we assign codes for each individual part as well as for the final assembly.

Our technologies

Metals, plastics, automation

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Plastics

For components with an impact on thermal management, plastics that are optimally designed in terms of their application and processing properties and, for example, combine thin wall thicknesses with sufficiently good mechanical properties play a key role.

Where possible, we use readily available standard plastics. For thermal management components in special temperature ranges, however, we primarily use materials that are specially tailored to the application and whose application and processing properties are optimally designed.

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Metals

Inserting metal components into the injection molding process is our bread and butter. In our own stamping shop, we produce the precisely fitting metal inserts and outserts, which we then feed into the mold fully automatically. We also consider direct thermal joining when planning series production. In this approach, the metal component and the pre-molded part are heated separately and welded together, for example based on induction and using ceramic high-rate heating elements.

We can also carry out pre-treatment techniques such as laser structuring and plasma processes to increase the bond strength through close interlocking of metal and plastic.

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Automation

Due to the miniaturization of electronic components, the need to increase efficiency and the increasing quantities of highly integrated functional components, cost-effective manufacturing processes are more in demand than ever.

We are characterized by our ability to handle complex, multi-layered production processes. This skill is crucial to the success of efficient series production of combined hybrid components. Even highly integrated functional components are efficiently manufactured by us in fully automated production and testing processes.

Our know-how, our technologies

From the granulate to the assembly

As part of the international OKE Group, we develop and produce components and sub-assemblies for thermal management applications. We currently use the following technologies at our site in Herscheid:

  • Plastic injection molding
  • Metal-plastic hybrid processes
  • Joining processes such as ultrasonic welding, UV welding, laser welding and hot gas welding
  • Assembly of complex components from metal and plastic parts – ready to build!
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Member of the OKE Group

As an international partner, we are available to our customers with all
technologies at each of our locations.

Interdisciplinary

Thanks to our own further developments of various technologies, our own special machine construction and the combination of different processes, we offer our customers great scope!

With us to the optimum temperature!

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Key data

OKE worldwide

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2.000

Employees

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10

Locations worldwide

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17

Sole proprietorship

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274

million euros turnover

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>200

Injection molding machines

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185

Extrusion lines

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own

Mechanical engineering

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highest

Quality of processes and productshighest