40+ Years of Investment Castings
Internationally recognised quality standards: ISO 9001 and TS16949
Specialising in high quality investment casting with UK manufacturing facilities, we also provide fully risk managed and quality assured low cost China supply of higher volume investment castings, die castings, metal injection moulding and forged parts including additional processes of machining, heat treatment, assembly and various surface finishes.Our Services
Our manufacturing and despatches continue to run normally with fully implemented social distancing measures. Most of our office-based employees are still working from home but essential roles are now operating from the head office. Send your enquiries to email@example.com. For any General & New Enquires, please dial 136. For current or ongoing work, please choose from the following:
Our modern UK foundry has been running for over 40 years encompassing the latest manufacturing techniques.
We advise on the best production process for each part to match your requirements & optimise the benefits
Dean Group offer an option for higher volume requirements via our supply partners in China:
With 48 years of manufacturing experience, Dean Group offer a fully risk managed supply partnership that will cover all your demands. From design concept through to casting simulation and 3D CAD design, including rapid 3d printed castings, we provide the engineered solution that suits you with flexible supply options including UK stock holding facilities.About Us
Dean Group provides a specialised investment casting service to help your business mass-produce complex, detailed metal components. We are proud members of the Cast Metals Federation, as well as being accredited by the BSI with the ISO 9001:2015 accreditation, we have the expertise and experience to cast a range of ferrous, non-ferrous and exotic metals to fit your exacting design specifications.
We support our high-quality work with a well-established, fully managed low-cost sourcing operation through supply partners in China, and UK stock holding facilities to overcome the extended lead times from overseas supply, enhancing our manufacturing capabilities.
We offer a variety of investment casting techniques from our UK based foundry in Manchester, each of which is designed to meet your specific requirements – and always to the high standards of your industry. Our investment casting manufacturing capabilities include:
At Dean Group, we have been providing specialised metalworking services, including lost wax casting since 1972. We pride ourselves on being able to tackle technically challenging projects and to supply you with the parts you need. We only use the highest quality materials and we inspect every product we manufacture.
We are happy to discuss your requirements, designs, our capabilities, help advise on the best manufacturing process for your needs or just tell you more about our metal casting foundry.
Investment castings, also known as lost wax casting, is a traditional process, which has been used for centuries to produce detailed, intricate metal parts and components. Compared to other manufacturing methods, it is a cost-effective way of producing intricate products, providing significant design flexibility, with excellent dimensional accuracy and surface finish. Our foundry can cast with a wide variety of materials, although stainless steel, carbon steel and alloys for aluminium casting are the most common options.
The investment castings process uses a detailed wax pattern, produced from a master tool, which is then coated with a layer of refractory ceramic slurry to create a solid shell. The wax pattern is melted out (dewaxed), and the molten metal is invested into the shell; once set, the shell is removed and the part can be divested for finishing operations and quality control. Our expertise and precision casting systems ensure an outstanding level of accuracy at every stage, producing quality-assured pieces which meet all your requirements for strength, integrity and composition.
We can also use 3D printing techniques to produce the initial wax pattern, allowing for rapid prototyping for fit and function testing and process validation before moving on to full-scale production.
Investment castings have several advantages over other formed parts from processes such as sand casting and lost foam casting. Investment casting is ideally suited to smaller, more intricate designs and provides the precision necessary to incorporate logos, product IDs and numbers onto the surface.
Unlike sand casting which requires moulds to be broken apart to divest the pattern, the investment casting process leaves only a minor parting line that is easily removed, resulting in a far smoother surface. Investment casting generally does not need much in the way of secondary processing (polishing, trimming etc.). Investment casting uses hard refractory ceramic, creating finished parts with much tighter tolerances than sand casting. A summary of investment casting benefits can be seen below:
The alternatives to lost wax casting are driven by a number of factors including size, weight, accuracy requirements and volume; often the boundaries are not clearly defined and other considerations may affect the choice of process such as time to market or capital outlay for tooling.
Investment casting is however one of the most flexible processes, offering competitive production costs against relatively low tooling outlay, in the full range of materials and with low, medium and high volume production capabilities. The nature of the tooling construction and the manufacturing process also means that there is a high level of design flexibility and dimensional accuracy resulting in lower post cast process costs.
In addition to our investment casting, Dean Group are able to offer a selection of other services, including die casting, pressure die casting, metal injection moulding, and forging. This allows us to provide the most appropriate metalworking process for your project’s needs.
We can also assist with the design process, taking your concept from initial concept to generate 3D CAD, validating the design with casting simulation software and then through prototype and sampling, to approved production. Alternatively, for existing parts, we can import existing CAD data to improve and manufacture your part.
During manufacturing, some materials might need to be involved in procedures that alter their grain structure. Heat treatments are a way…More
Dean Group have been awarded a Gold Environmental Award from Salford City Council for our efforts to protect and improve the environment.…More
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During product development, we can manufacture small quantities of parts for fit and function testing, prior to production.
Highlights of our work including a full range of sizes, weights, materials, examples of various applications and industries.
Our success stories highlighting our expertise in finding solutions to complex problems and adding value for our customers.
Diversity of our customer base is one of our greatest strengths: a wide range of industries and applications.