The best in investment castingBürstlein is the leading investment casting expert in Southwest Germany. For decades we have been offering high-quality investment castings as well as sound expert advice on matters of casting technology and the lost wax process. Let us help you find the solution best suited to your needs. We combine extensive experience in engineering and practical applications, in-house tool production, a wide selection of casting materials, on-site machining and the highest level of quality controls. Thanks to in-house tooling, we have complete control of the process from the very outset. Ceramic casting shells are manufactured with the aid of our team of experienced specialists and the composition of each molten mass is monitored separately by several people during the casting process. All melts undergo spectral analysis in our laboratory. Low overheads and short decision-making paths ensure that we are particularly flexible and reactive and can offer short lead times. We incorporate all of this into our work and guarantee our customers quality and reliability, from the initial idea to the finished prototype or large production series. Quality assuranceWhen it comes to quality, compromise is not in our vocabulary: we operate a zero-defect policy. Our certifications according to ISO 9001 and IATF 16949 serve as a basis for multi-stage quality inspection. From the wax patterns for the moulds to continuous assessment of the molten mass through to final in-house product acceptance, we detail every inspection phase. Modern optical and tactile measuring systems play a vital role, and customised testing tools ensure that each part reliably fulfils its purpose. The origins of investment castingThe lost wax method already existed in a similar form as far back as the Bronze Age, when beeswax and clay were utilised. Today, modern industrial waxes and moulding materials are employed to manufacture the ceramic shells. This state-of-the-art lost wax process enables cost-efficient fabrication even in small batch quantities. Thanks to utmost production precision, investment casting guarantees ready-to-install parts and subsequent processing is no longer necessary in many cases. Extremely flexible design options make investment casting the ideal solution for parts that would otherwise require extensive machining – whether in large or small production series.
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