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Cheaper Welded Bodies by American Method?

24th April 1959, Page 39
24th April 1959
Page 39
Page 39, 24th April 1959 — Cheaper Welded Bodies by American Method?
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THE possibility of cheaper light-alloy bodywork construction is presented by the introduction to this country by R ubery Owen and Co., Ltd., Darlaston, Staffs, of the American West-ing-Arc inert-gas metal-arc welding system. Since its appearance six years ago in the U.S.A., the process, to be known here as the Rowenare method, has created major changes in the production of vehicle bodywork and in other fields of -metal fabrication, including the building of chassis components, such as axle casings. The Rowenarc system allows light sheet and extrusions to be welded with no risk of burn-through, and there is less premium on the skill of the operator, as the control monitor automatically. detects' variations in welding conditions, or operator technique, and affords consistent are voltage and length. A range of guns is offered: the type likely to appeal most strongly to bodybuilders is. thc SA-100. The consumable electrode is fed through the nose by . a trigger-actuated drive: there is thus no Separate welding rod. The arcing area is protected by a shield of gas, usually CO, for mild steel, and argon for light alloys and stainless steel. There is no need for slag removal and cleaning, and welds can be made to parts which might he inaccessible to other types of equipment. On light-alloy fabrication, the process is claimed to be up to 10 times faster than by the tungstentinert-gas method and on steelwork about half as expensive. 'fhe form of power supply offered with the Rowenarc system reduces the voltages that would otherwisebe involved. The minimum current for wire of in. diameter can be only 'about 100 amp., instead of 300 amp. This decreases the working temperatures and makes it possible to weld vertically or overhead with no risk of spattering molten metal. The company point out that although welding costs rise when current is decreased, the Rowenarc process permits the use of larger-diameter wire at any given current. This produces faster and better welds at costs which are lower overall. • A representative of The Commercial Motor who attended a demonstration of the equipment in London on Monday was told that the Fruehauf company were using Westt-Ing-Arc welding in the building of their semi-trailer bodywork at a great saving in expense compared with bolting or riveting.

TO MARKET U.S.A. GOODS CARBURETTERS and other auto motive fuel system components manufactured by the Carter Carburettor division of ACF Industries Inc., U.S.A., are to be marketed in the United Kingdom by a new company, ACE (Great Britain), Ltd.

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Organisations: US Federal Reserve
Locations: London

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