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Grinding Techniques – Your foundry application, our product solution

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Grinding Techniques

9th March 2022

     

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In recent years, the foundry industry has undergone a major transformation with improvements in casting methods and the introduction of new metals and associated alloys. These changes impacted various processes in foundries but especially fettling, as high demand is placed on the ergonomics and performance of grinding tools in order to effectively remove risers and excess materials in the most productive time possible.

When one looks at the new range of “super alloys” being developed, it has become increasingly evident that machining of these materials will be a serious challenge. Grinding has proven to be one of the preferred methods of shaping these alloys, as abrasive tools have achieved a far greater success rate over those of machine tools. With new innovative grinding machines being developed, grinding and machining times of components have been significantly reduced from hours per part to minutes per part.

All Andor grinding wheels are manufactured to deliver the best high-performance results in every grinding application. As a local manufacturer, Grinding Techniques prides itself on bringing specialised abrasive products to the foundry industry. Our research and development team, situated at our head office in Krugersdorp, continually develops products to ensure that we stay on the forefront of supplying bespoke abrasive solutions to suit all application requirements.

Our range of pendular grinding wheels ensure that fettling work can be performed with reduced exertion and higher stock removal rates. In this type of machining, one of the greatest challenges is vibration during application. Through intensive and ongoing development, we can supply product into the market with significantly reduced vibration levels enabling operators to work more efficiently.

An angle grinder is one of the most important tools for stock removal of all types of metals. Our diverse range of grinding discs cater for almost any and every application within the foundry industry, including high chrome castings, where care should be taken as these are prone to crack if the incorrect products are used during application.

The Superflex AS30T, ZA24R PREMIUM, CA24Q CERAMIC and the AS24R INOX ULTRA grinding discs are available in various diameters and have been proven to be the preferred product for grinding applications on stainless steel, high chrome, A2 steel, and manganese due to their exceptional longevity, stock removal properties and ability to decrease downtime due to minimal disc changes.

For grinding large and heavy components, the use of cup wheels is recommended, as they are exceptionally robust and durable. Composition of cup wheels make them suitable for large area grinding of welding beads as well as fast material removal. When working with cup wheels, it is particularly important to ensure that cup wheels are used only on angle grinders with diameters of 178 mm. Smaller machines tend to rotate too fast, while larger ones rotate too slowly. In addition, a special protection cover is required to ensure sufficient levels of safety during operation.

Another popular tool known for its versatile application where precise results are required for difficult-to-access areas, are straight grinders or die grinders, as they are more commonly known. These power tools are hand-held and used for grinding, sanding, honing, deburring or machining of material. The name stems from one of their earliest applications: tool and die work, where they are used to create the precise contours of dies and molds. Their versatile applications make them a popular tool.

Our vitrified and resin bonded Superflex mounted points offer you solutions for the highest quality requirements. The wide range of applications also requires ceramic points that strike a perfect balance in terms of chip performance, surface finish and longevity. Ceramic points are often used in mould-making and finishing processes.

Apart from versatile mounted points, we also stock a range of tungsten carbide burrs that are made from tried and tested, high quality cemented carbide types on the most modern CNC grinding machines. Our Superflex tungsten carbide burrs are used on a wide range of handheld, pneumatic and electric machines as well as on industrial robots. Thanks to their versatility, they can be used on a variety of materials. To provide a solution at hand for the full spectrum of applications, Grinding Techniques offers a wide selection of premium quality tungsten carbide burr shapes. The range easily meets the general demands of economic efficiency, high stock removal rates, simple handling, and excellent longevity.

Grinding Techniques has been the preferred precision grinding partner across industry for decades. All our products are manufactured and tested in accordance with International OSA and ISO standards.

Contact one of our business development team members for more information on bespoke solutions to suit your requirements.

www.grindtech.com | info@grindtech.com | +27 11 271 6400

Edited by Creamer Media Reporter

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