TPT September 2007

Technology Update

Seamless ERW steel pipes and pipe fittings Hebei Zhongyuan Industrial Group, China, produces seamless, ERW and LSAW steel pipe and pipe fittings. The company’s steel pipes are available in diameters ranging from 219mm to 2,420mm, and wall thicknesses from 6mm to 20mm, with hot- rolling steel pipe available in diameters from 88.9mm to 630mm, and wall thicknesses from 3.5mm to 12mm. The company’s branch Plant Hebei Cangzhou Hengtong Tubing Co Ltd, China, can also produce a series of high, medium and low pressure tube and pipe fittings, including elbow, tee, reducer, flange, bend, and socket tri-cross. These fittings are suitable for line and oil API seamless and welded pipes. The company is a contracted supplier of CNPC and SINOPEC and its products are used in the West-East Gasoline Project. Hebei Zhongyuan Industrial Group – China Fax : +86 22 2371 9422 Julia Utensili, Italy, a producer of HSS circular sawblades for metal cutting, has launched a new range of PVD coatings. In order to distinguish the new coatings from those previously supplied, they have been identified with new brand names. Yellow Tiger is a gold-yellow coloured coating, made of titanium nitride (replacing TIN). It is suited to low tied structure steel and carbon steel cutting, and must be used with plenty of lubrication with emulsion or cutting oil. It is not suitable for copper, brass, bronze or titanium cutting. Grey Shark is blue-grey in colour, and made of titanium and carbon nitride (replacing fi Julia Utensili has launched a new range of PVD coatings Email : lz.perfect@vip.163.com Website : www.hengtonggj.com PVD surface coatings for HSS circular sawblades

‘Peanut’ spring tooling innovation Eagle Precision Technologies Limited, Canada, a provider of tube bending and forming solutions, has announced a new innovation to its standard range I/O jaw tooling.

The patent pending design uses a special polyurethane ‘peanut’ spring between each segment of the I/O jaw. The company anticipates that this solution will be less likely to wear than a traditional spring, potentially providing greater repeatability and consistency over the life of the tool. An added benefit is that the ‘peanut’ completely fills the space between the I/O jaws, so there are no cavities for oil and debris to get caught between.

› I/O jaw segments complete with ‘peanut’ spring

The design solves a long term problem in the production flow of I/O jaws, and should help the company to provide shorter lead-times on tooling. New jaw designs using the ‘peanuts’ will soon be released as Eagle’s standard for straight tube calibration and sizing applications.

› The ‘peanut’ shaped polyurethane spring

Eagle Precision Technologies manufactures CNC tube benders, tube end-finishing equipment, custom machine building, muffler manufacturing equipment and tooling. The company has an installed base of more than 8,000 pieces of equipment in more than 60 countries. Eagle Precision Technologies Limited – Canada Fax : +1 519 756 0195 • Email : sales@eaglept.com • Website : www.eaglept.com

TICN). Its technical characteristics and low friction coefficient makes it suitable for cutting abrasive materials such as stainless steel and medium alloyed steels with a hardness of up to 800N/mm². Abundant cooling lubrification during the cut is recommended. The copper-red coloured Red Dragon multilayer coating, made of titanium and carbon nitride, has similar characteristics to the Grey Shark coating, but with greater tenacity and minor friction coefficient. These properties also improve the cut’s finishing. It is recommended for use in the cutting of hardened and tempered steels or high alloyed steels, and for brass, copper and aluminium cutting. This coating should be used with plenty of emulsion lubrication or oil during the cutting operation. Black Hawk is a grey-violet coloured multilayer coating made of titanium and

aluminium nitride (replacing TIALN), with a high thermal resistance to the sub-layer. It is suitable for high alloy steel, up to 1,100N/ mm², for cast iron cutting, stainless steel and any material that develops high heat energy. It can also be used for bronze and brass cutting, but cannot be adapted for copper. The dark-violet coloured Dark Panther multilayer coating, made of titanium, carbon and aluminium nitride (replacing TIALCN), combines the protection from use of the harder layers with the characteristics of a solid lubricated coating, and is suitable for cutting stainless steel with hardness higher than 1,000N/mm², aluminium and Inconel.

Julia Utensili SpA – Italy Fax : +39 0432 784725 Email : juliacom@julia.it Website : www.julia.it

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S eptember /O ctober 2007