TPT May 2012

C utting

State-of-the-art circular saw blades GEBR Lennartz GmbH KG, Germany is a manufacturer and exporter of high performance circular saw blades.

saw blade for the cutting of welded pipes for a “flying cut-off” sawing machine. The important advantage is less production stop due to long life time of the new developed ‘throw away’ blade and in addition the costs per m 2 are reduced considerably. The next development stage is a stationary cut-off machine with three cutting heads for cutting seamless pipes.

The advantage of this method is the fact that the pipe must not be turned as by a traditional pipe parting-off machine with turning knives. Gebr Lennartz GmbH & Co KG – Germany Fax: +49 291 996060

These saw blades are used for the cutting of carbon steel, alloy steel and stainless steel materials as well as non-ferrous metals. The company has developed a special high performance carbide tipped circular

Email: info@lennartz.de Website: www.lennartz.de

Saw technology KAMPMANN GmbH manufactures circular saw blades for the steel and tube industry, and is internationally active with branches and production centres in Germany, France and Brazil.

The product range includes carbide tipped circular saw blades; high speed steel (HSS) circular saw blades; segmental circular saw blades; friction saw blades for hot and cold cutting; and high speed steel (HSS) – DIN circular saw blades. Kampmann has more than 80 years’ experience with circular saw blades, and specialises in cutting steel with carbide tipped saw blades. The company offers

with very little heat or stress and, therefore, no burrs. This technology has been widely used to cutoff hypodermic needle, cannula and other medical related products. Tube processing and fabricating companies in many other industries such as aerospace, chromatography, automotive, nuclear, semiconductor and heat exchangers have found the burr free, stress free advantage of ECG to be an advantage in reducing labour while improving process capability. ECG is most commonly used on stainless steels and high temperature alloys but almost all metals can be quickly and precisely cut without burrs using the ECG process. ECG is also ideal for thin wall, fragile and thermo sensitive metals. The Everite SR8 is the latest in the line of tube cutoff machines. This heavy duty servo controlled machine with an easy operator interface is ideal for fast, precise, burr free cuts. Everite Machine Products – USA customised cutting solutions, as well as a sharpening, repair and pick-up service with its own trucks, and can also provide cooling and lubricant systems in cooperation with an experienced partner. Kampmann GmbH – Germany Fax: +49 2385 932 85 55 Email: info@kampmann-gmbh.de Website: www.kampmann-gmbh.de

Two years ago the company moved to its new plant in Hamm, Germany. This factory is equipped with a modern production line for high speed carbide tipped circular saw blades.

Burr free cutoff and grinding TRUE burr free cutoff and grinding are easily obtained on any of Everite Machine Products’ unique line of electrochemical tube cutoff machines and surface grinders. By combining the stress free principles of electrochemical dissolution of metals with the precision of abrasive grinding, fast, clean, accurate and burr free cuts are routine. Almost any conductive material can be cut effectively with electrochemical grinding or ECG. Material hardness and machinability have very little impact on cutting speed or tool life. The process is quite simple – low voltage, high current DC power is applied between the conductive grinding wheel (the cathode) and the workpiece (the anode), with an appropriate electrolyte solution flowing to complete the electrochemical cell. The material begins to oxidise allowing the abrasives in the grinding wheel to cut

Email: info@everite.net Website: www.everite.net

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M ay 2012