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Increasing effectiveness with 3-D printing

News 01.11.2018

As an important expansion of their R&D potential during 2016, when a Technology Center was in-augurated, Spang & Brands GmbH, Friedrichsdorf, Germany, have recently introduced a 3-D printing facility. The aim is to print not only representative samples of medical components, but pre-dominantly to produce mold inserts. With 3-D printed mould inserts injection moulding trials using the original plastics material (dependent on the relative process temperature) can be carried out. Equally, the 3-D printer offers the application of multi-component processes. Simultaneously, dif-ferent color spectrums and degrees of hardness can be printed. Fully functional medical device samples in the original material are producible in quantities of between 10 and 100 – dependent on material and design – more cost-effectively and significantly faster.

18-16-05 3D-gedruckte Werkzeugeinsätze Oktober 2018

3D-printed mould inserts

With a construction volume of 342 x 342 x 200 mm the PolyJet® 3-D printer can produce compo-nents with an accuracy of 16 µm (layer thickness accuracy 200 µm). Original size, characteristic and feel of the printed medical device offer the opportunity to access function testing, thus avoiding production of time consuming and costly aluminium or steel moulds. The use of 3-D printing increases Spang & Brands’ effectiveness – once again – in the development of medical devices for the benefit of customers and patients.

‘Mindful of high initial costs of medical devices customers expect speedy product development from an all-inclusive provider in order to reach validation, clinical trials, and introduction to market. Starting with the initial 3-D prototype or 3-D printed trial mould analysis of the prototype status leads to quicker and more flexible optimisation of the individual parts, components and assembly – in respect of value to design and manufacturing, including assembly’, adds Friedrich Echterdiek, managing director of Spang & Brands GmbH.

18-16-05 Messestand

Spang & Brands stand

During COMPAMED Spang & Brands will exhibit a variety of different plastics engineering solu-tions for applications in medical technology, such as syringes, cannulas, piercing membranes, im-plant components, and parts for minimally invasive medicine, plus components for infusions and blood, as well as transition and connection systems. Visitors can see mounted assembled systems and in-house produced complete systems with high-precision geometries and features ready for sale (for instance with precisely defined predetermined breaking points or linking points).

Across the entire value-added chain of a medical devices specialist Spang & Brands demonstrates ground-breaking R&D technology and, supported by a state-of-the-art tooling facility and machine park, i.e. the entire diversity of optimized plastics technological product ranges. Consequently, special plastics compounds, such as TPU, TPE, TPV, resomere materials, and polylactides are used. ‘Employing multi-component injection moulding technology our starting point is to embrace increased comfort enhanced with innovative functions and benefits based on the very latest mould-ing technologies’, emphasizes the managing director of Spang & Brands GmbH.

About Spang & Brands
Spang & Brands has specialised in precision and cleanroom injection moulding technology for the medical and pharmaceutical industry for over 35 years. In addition to its own products, the company sees itself above all as a competent contract partner for customer projects. Product innovations at Spang & Brands go through all process stages - from the idea to the finished product, ready-to-use. The company ensures consistency of CAD tool data and maximum precision in CAM production of moulds for medical and pharmaceutical devices in its own technology centre. Spang & Brands has at its disposal latest equipment, as well as a team with a high level of competence and experience, which masters the technology: part development, mould design and construction, injection moulding with 70 mainly electric drive single and multi-component machines, as well as the subject of cleanroom production. Fully automatic and manual assembly and packaging of parts and assemblies are located in cleanrooms - from pre-series or just-in-time batch sizes, extremely small series, and right up to full production running into millions of products. Strategically positioned control points and 3D measuring technology support quality assurance. The company is certified e.g. according to ISO 13.485.

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