TPT November 2007

heating application, avoiding the need for obsolete and low efficiency technologies. In the area of tube induction welding, which often requires frequencies up to 500kHz, the natural, most reliable and efficient component is the Mosfet transistor. This technology is provided by the GH Electrotermia’s latest developments in variable frequency and automatic load adjustment. The company has launched Transithermic ® generator solid-state welders, which are able to weld any tube specifications allowing for any tube diameter, thickness and material. These machines provide flexibility and economy through reductions in downtime and scrap material. GH Electrotermia has headquarters in Spain, with subsidiaries in India, Germany, China, South Korea, Brazil, France, Mexico and Argentina.

The company also offers sharpening services for its products, and has a range of tool-life lengthening coatings. Gem Tool also manufactures PCD and PCBN tooling for a wide range of applications. Super-abrasive tipped inserts in standard or irregular shapes can be made quickly, and re-lapping services can also be provided. The company can also manufacture PCD tipped boring tools to user’s specifications.

Gem Tool Corporation USA Booth 22051

Gem Tool Corporation manufactures HSS, diamond and carbide cutting tools and inserts, and supplies the aerospace, automotive, and consumer products industries. The company’s standard line of tooling includes ID and OD scarfing inserts, end- prep heads, and cut-off blades, and all of the company’s carbide products are made in the USA.

Website : www.gemtoolcorp.com

fi A selection of Gem Tool’s product range

GH Electrotermia SA Spain Booth 31047

GH Electrotermia offers an entire range of modern high frequency power supplies and equipment for induction heating applications, from MF IGBT inverters to HF Mosfet inverters.

The company can provide equipment and local support in every geographical market.

This complete range allows the use of the most suitable technology in every induction

Website : www.ghe.es

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N ovember /D ecember 2007