Sub-Sahara Mining & Industrial Journal
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Railway infrastructure – Grinding Techniques’ contribution in cutting and grinding.

Grinding Techniques, a Tyrolit company, has been supplying abrasive solutions to the railway market for years. With specialised cutting and grinding products exported to satisfied customers worldwide, we are able to offer an extensive range of high-quality cutting discs and grinding wheels for the Railway Industry. All of our products are manufactured in accordance with international ISO, EN and OSA standards.

Railway Infrastructure is best described as a set of assets ranging from building, maintenance, enhancements, renewal aimed at performance optimisation, and the cost and risks associated with the infrastructure.  In fact, it is true to say that anything on railway property can be classified as part of railway infrastructure.  In a highly competitive transport market, the rail industry is required to employ new and innovative maintenance strategies that will position rail transport as an affordable and reliable transportation alternative.  The management and maintenance of railway infrastructure thus play a central role in ensuring the reliability and availability of rail transport.

In keeping up with increasing railway innovation, abrasive technology has to constantly adapt and change to meet the cutting-and-grinding demands of these superior rails.

Aluminium Oxide, Zirconia Alumina and Ceramic Alumina have become some of the latest raw materials to be mixed and bonded into various formulas for optimum performance during rail maintenance.  Hard-wearing, durable rails are heat-treated with Carbon to a maximum percentage of up to 0.82, and a maximum Manganese percentage of up to 1.7. Because of this, it is of utmost importance to not only use a product just to deliver the best results, but also to prolong the rails’ durability throughout their lifetime.  Grinding Techniques offer a range of suitable cut-off discs and grinding wheels in various diameters, specifically manufactured for this purpose.

Rail maintenance often requires welding, and when cutting for welding preparation, it is required that these cuts be clean and precise. Specially reinforced discs with a maximum thickness of 1mm – 1.9mm (disc diameter determined) are often used in these cutting applications. Using a thinner than normal conventional disc not only assists with the preservation of the initial aesthetic qualities of the material, but also saves time and money. Apart from the rail industry, popularity for the 115mm x 1.0m cutting discs have increased greatly within the general metal fabrication industry. aside from generating less heat and burrs to rework after cutting, you are able to cut with more control and greater precision.  For applications on structural steel and difficult-to cut metals, we carry a range of specialised discs that will not discolour or burn the workpiece.

Another integral part of railway infrastructure, is construction in the concrete and steel industry. Discs and wheels most sought after in this sector are often used for general purpose applications with abilities to cut through structural material. Our range of industrial cutting and grinding discs are competitively priced and manufactured with high-performing aluminium oxide grains that offer great stock removal and longevity.  Larger diameter discs, running at 80m/s on day-to-day chop saws as well as 100m/s reinforced wheels used on petrol machines for the heavier required labour cutting are also on offer.

With our Research and Development team constantly innovating and developing products, we aim to bring only the best products with the highest results to the industry, all at an affordable price.

Whatever the application, or solution needed for the railway industry, whether it be infrastructure, maintenance, enhancements, renewals or extensions –Grinding Techniques is perfectly positioned to cover all your required abrasive needs.

For more information, contact us | | +27 11 271 6400


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