Molded Rubber

As a rubber moulded parts manufacturer with in-house toolmaking and a high level of vertical integration, we will find the right material and the right manufacturing solution for your application.

Technical Molded Rubber

As a manufacturer of moulded rubber parts, we support you from the selection of the right elastomer, through tool-appropriate component design and in-house toolmaking, to reliable series production. We develop solutions that are technically, economically and production-orientated to suit your application.

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Elastomer materials for the industry

We process a wide range of elastomers for moulded rubber parts in order to offer the right solution for every application. The most commonly used rubber materials include

Contact us for a free material consultation for your applications and your moulded rubber part.

Properties Molded Rubber

Our moulded rubber parts fulfil key functions in various applications: They seal reliably, dampen vibrations, insulate electrically or protect sensitive components from environmental influences. As a supplier of moulded rubber parts, we manufacture your individual special geometry according to drawings for mechanical engineering, the electronics industry, medical technology, aviation and infrastructure.

Overview of the properties of rubber moulded parts:

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Molded Rubber according to customer drawing

As a manufacturer of rubber parts, Rubber metal connections and Rubber-plastic connections we vulcanise our moulded parts in tools manufactured in-house based on your drawing and your tolerances. This enables the ISO 9001-certified production of flexible geometries up to a maximum component size of 650 x 750 mm.

01

Set design

If the final geometry of your rubber moulded part has not yet been defined, we act as a pragmatic development partner and adapt your tool through multiple iterations and close feedback loops with your development team until the requirements for your rubber moulded parts are met.

03

Prototypes & series production

Following successful design and tool realisation, the implementation of your rubber moulded parts into prototypes and series production begins. Thanks to our in-house toolmaking, we can also start series production with the express option in just 4 weeks. Material certificates for fire protection according to UL94, FDA compliance etc. can be supplied if required.

02

Tool design

When designing the tool for your rubber component, we ensure a production-optimised design to minimise flash, air inclusions, and component distortion. Due to the integration of production and toolmaking under one roof, short distances, and manufacturing optimisation, production costs are generally lower than those of the competition – and faster too.

04

Post Processing

Following the production of the rubber moulded parts, deflashing, surface treatment and quality assurance measures are carried out. Likewise, complete traceability for medical technology products or safety-critical rubber moulded parts can be guaranteed, including a 100%% functional and visual inspection.

Molded Rubber according to customer drawing

As a manufacturer of rubber parts, Rubber metal connections and Rubber-plastic connections we vulcanise our moulded parts in tools manufactured in-house based on your drawing and your tolerances. This enables the ISO 9001-certified production of flexible geometries up to a maximum component size of 650 x 750 mm.

Customised Moulded rubber parts: We think along with you to keep your series running

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Insights into the success stories
of our customers.

Iterative product development and project management

The challenge

The project with a medical technology manufacturer started at a very early concept stage on the basis of a specification sheet, but without a clear definition of the geometry and the material to be used.

Solution

Together with the customer's development department, GUME worked out an optimal solution in an iterative process and 14 component adaptations. Due to the close coordination between internal toolmaking and elastomer production, iterations could often be implemented within the same weeks.

Result

The rapid iteration and close interaction as a development partner ensured a high level of development reliability despite the time-critical and complex task. The development and release times were significantly reduced and a production- and therefore cost-optimised design was developed.

Setting up dual sourcing for a critical component 

The challenge

The manufacturer of measurement technology purchased a critical component in large quantities from a single source. This led to dependency and the risk of a complete production shutdown in the event of a supplier failure. Earlier attempts to establish a second supplier failed due to the technically demanding production process.

Solution

Due to the challenging properties of the component, GUME involved external specialists in the development process. Thanks to a structured development process, it was possible to achieve the desired component properties over several iterations and test cycles.

Result

The customer now has a secure supply chain with GUME as a second supplier and additional resilience. Purchasing also benefited from cost improvements due to competition and the ability to place quantity structures flexibly.

Express service to avoid a production stop 

The challenge

The previous rubber parts supplier of a crane manufacturer was in danger of failing, with the risk of a production standstill due to missing components. In order to safeguard production, a new supplier had to be established within a very short space of time and several new moulds had to be developed.

Solution

GUME prepared a quotation for the components concerned within one working day. Qualification as a new supplier, including documentation and an on-site visit, took place within a week. Thanks to the integrated express design and production of the moulds at GUME, the first components were delivered just two weeks later.

Result

The supply of parts was ensured thanks to the rapid implementation and tool development and production downtime was avoided. The customer quickly gained planning security and reduced the risk of further delivery failures.

Do you have questions about moulded rubber parts?
We have answers!

Depending on requirements, we work with materials that are approved for aviation, the electrical industry, food and medical technology. This includes, for example, KTW D1/D2, W270, UL94, RoHS/Reach or AMS specifications.

Our vertical range of manufacture is particularly deep thanks to our own toolmaking department. We always keep raw materials for moulds and the most common rubbers in stock. Our express service means that we can often produce prototype tools at short notice and deliver the first rubber moulding prototypes in as little as two weeks. After sample approval by your quality department and production of the series mould, we can start series production as early as the 4th week.

Yes - on request, we can work with our certified rubber suppliers to create a suitable rubber compound with individual formulations for your customised requirements. We are happy to supply the corresponding material certificates. If required, we can also test the finished moulded rubber parts for defined properties such as elongation, compression set, dimensional accuracy and leak testing (for assemblies). In special cases, we can also have the moulded rubber parts tested by an external test laboratory for special requirements such as AED, outgassing, behaviour under radiation exposure, etc.

We manufacture flexible quantities from 1 to 10 million units using our own mould making facilities. We use either compression moulding, transfer moulding or injection moulding processes. Automated injection moulding processes are often suitable for large quantities, while smaller quantities are more economically produced in transfer presses or compression presses. Compression moulding is particularly suitable for large-volume moulded rubber parts and small quantities due to the lower tool costs.

Silicone is suitable for applications that need to cover a wide temperature range from -50 °C to over +200 °C. It is also extremely resistant to ageing and UV radiation, remains elastic even at extreme temperatures and is therefore suitable for seals or flexible membranes.

TPE (thermoplastic elastomers) scores particularly well when a combination of elasticity and ease of processing in the injection moulding process is required or when recyclable materials are needed.

In addition, both materials offer the option of FDA conformity, which is essential for applications in the food or medical technology sectors. As a manufacturer of rubber moulded parts, silicone moulded parts and TPE moulded parts according to customer specifications, we are also happy to help you select the right material or suggest more economical alternatives.

In order to find the most economical option for your moulded rubber part, the material, moulded part geometry and production process are precisely coordinated. We analyse your enquiry from a technical and economic perspective and develop an optimised tool and production concept using standard solutions based on your drawing and specifications. This enables us to avoid cost-intensive special solutions and reduce mould costs through intelligent design and modular mould components.

Thanks to our in-house toolmaking department and well-rehearsed processes, we can react flexibly to quantity requirements and keep delivery times short. Quality controls and process monitoring ensure continuous product quality so that reject rates and reworking are minimised. All these measures ensure cost-effective series production and help you to reliably plan costs, deadlines and availability.

We bring Rubber in mould and your projects up and running