The casting process for bearing housings may result in defects such as porosities, cavities, and inclusions, particularly on the bearing contact surfaces. The defects lead to some housings ending up as scrap, leading to lower productivity & output as well as wasted material. Now, SKF is exploring innovative solutions to rework the defects, especially on larger high-value housings, potentially transforming scrap into high-quality, reliable housing products.
Opportunity overview
In the current casting process, defects like porosities and cavities may result in the scrapping of housings. This not only represents a financial loss but also contributes to waste and inefficiency. Being able to rework the defects on the surfaces of housings and amend the cavities will improve sustainability & profitability, leading to higher output and shorter lead times. The ability to rework and repurpose housings can contribute to a more circular economy, aligning with SKF’s broader sustainability goals.
Summary of the Requested Solution
We are seeking innovative materials and techniques for reworking cast defects in the form of porosities & cavities on the surfaces of SKF bearing housings. The requested solution can be viewed as consisting of two parts. A process and a product. The process is the method by which a defect is identified and corrected, whereas the product is the material used to correct the defect. Both the product and the process are subject to their own set of requirements. The process must be cost-effective, scalable, and capable of integrating into existing manufacturing and supply chain processes. Meanwhile, the product must comply with requirements on environmental suitability, thermal characteristics and material properties to ensure that the high standards of quality in SKF products is maintained. The ideal solution could involve developing a materials solution, based on, metals-, filament-, electrochemical- or composites.
Opportunity with us
SKF is the world’s largest bearing manufacturer, with 17,000 distributors in 130 countries. Collaborating with SKF on reworking the housings presents an opportunity to contribute to reducing scrap rates, lowering CO2 emissions and improving the efficiency of industrial manufacturing at a large scale. We want to work together and provide you with valuable learnings that enable your company further opportunities within the industry.
Examples we're looking for
Composite Resins
A composite resin that is initially viscoelastic for filling defects and then transforming into a strong adhesive with the appropriate mechanical properties suitable for bearing housings. This resin should be easy to apply and transform rapidly in order to withstand the mechanical demands of bearing applications.
Advanced Reworking Techniques
Alternative innovative reworking techniques, such as thermal spraying, laser cladding, or similar methods, combined with supporting equipment to allow for custom application to cavities with unique geometrical properties.
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