TPT May 2010

High performance tube cutting TCT saw blades TRU-CUT Saw Inc is now offering its Aggressor-XL line of thin kerf, carbide tipped saw blades for cutting tube, pipe and solid ferrous materials in flying cutoff and re-cutting applications. Available with carbide and cermet inserts, these PVD coated blades offer huge performance gains over high-speed steel and friction saws. As the name suggests, Aggressor-XL blades cut fast – up to 1,500 SFM. Test data on a 350mm x 2.8mm x 100 tooth blade running at 250 RPM achieved a 3.7 sec. cut time and was able to cut six square metres of 52100 bearing steel. A special chip breaker on the face of the inserts allows faster chip removal and more aggressive cutting speeds. Tru-Cut Saw is the only circular saw blade manufacturer in the US with its own PVD coating chamber. This allows the company to tightly control coating quality and uniformity, and allows adjustments for individual customer applications. ATru-Cut Saw Inc spokesman said: “We customise saw blades and mounting patterns to individual customer requirements and provide them with the exact blade for the job.” Pipe expanders FONTIJNE Grotnes is a specialist in the design and construction of pipe-end and full length pipe expanders for the pipe industry. The Fontijne Grotnes Expander ensures a constant, reproducible process regarding diameter and mechanical properties. The design maximises the radial forces in order to obtain maximum output in relation to pipe dimensions. A full length pipe expander is an essential part of the production process in a pipe mill. The pipe expander process makes the welding of the pipeline in the field easier, even for cut pipe sections. Fontijne Grotnes is constantly improving and preparing the full length pipe expander process for new market demands, such as higher outputs, thicker wall thicknesses, higher material grades up to X120, and stricter ovality and straightness tolerances. The company’s Straightening System is designed for small pipes ranging from 16" to 30". The system controls the straightness of the pipes in all directions within ½ -API- and DNV-standards. The Fontijne Grotnes pipe-end expander sizes the end of large diameter pipes to parallel-, spherical- and semi-spherical joints. The joints are applicable for, among others, SSAW pipes, mainly used for conveyance of water and sewage. In February, Fontijne Grotnes opened a new office in Beijing, China. This office represents the company in the Chinese market, and is expected to strengthen its position in the pipe, wheel and metal forming industry. Fontijne Grotnes BV – The Netherlands Fax: +31 10435 2655 Tru-Cut Saw Inc – USA Fax: +1 330 225 4741 Email: trucutsaw@trucutsaw.com Website: www.trucutsaw.com

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