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welding handbook
The Welding Handbook for maritime welders Rev01_Welding Handbook Cover.ind1 1 03-07-07 08:46:10 [...]... familiar with the welding processes on a self-study basis, start with the chapters at the back of the book and follow the processes from gas to flame, from primary power to arc and then through consumables to solutions If, on the other hand, you have a basic understanding of welding, read the book from the beginning, starting with the chapter on solutions 1.00 When facing a problem Consult the solutions... Working gloves the welder has to work close to the C Leather jacket, Large for welding workpiece or where movement is C Leather jacket, Extra large for welding restricted It is specially important D Leather trousers with belt that the welding jacket is worn when E Leather cuffs welding overhead, to protect the body F Arm protector and arms against falling sparks and G Leather apron slag H Leather spats... comprise several different components depending on the type of electrode The composition of the smoke will therefore vary depending on the type of electrode Electrodes are divided into smoke classes 1 to 7, which indicates the degree of smoke pollution See the Coated Electrodes section on smoke classes Risks The fumes given off when welding unalloyed or low-alloyed steel which has not been surface treated,... use when doing brazing and light duty gas welding and cutting work Not for use when doing arc welding The spectacles (1 pair) are supplied in a protective box Welding and grinding goggles Lightweight goggles with soft and comfortable surfaces against the face The ventilation slots are designed to prevent entry of sparks and spatter, at the same time ensuring sufficient air circulation to prevent dampness... observed when welding and related thermal processes are used on board a ship This handbook, however, cannot be considered to be a complete manual for each of these areas, dealing in detail with all the aspects of the various items Additional information should be sought in other publications from Unitor, from Authorities and others and by attending training courses The courses at the Unitor Training Centres... SAFETY IN WELDING Electric arc welding gloves Gloves must always be worn when arc welding Special welding gloves with long gauntlets are necessary These must be of leather 1.00 Long lined welding gloves are recommended for welding with coated electrodes TIG and Gas welding gloves Thick welding gloves will hamper the control of the torch or rod Special softskin gloves are available for this purpose They... handle The flow rate is controlled by the tap on the final control valve The fact that it is so simple to use means that risks of incorrect use are greatly reduced 23 SAFETY IN WELDING 1.00 Welding fumes Welding fumes, or smoke consists of a mixture of gases and dust particles The composition of the fumes depends on: 1 The filler material and method of welding 2 The base material Different welding. .. successful results depend on you being familiar with these chapters, and also the instruction manual on the specific power source you have onboard Ensure that the gas supply is in proper order and correctly maintained, that the welding machine is suited for the process at hand, and that the cables are of correct size Cold repair components require no outside energy The energy is built into the products and... 1: Ensure sufficient ventilation when welding in confined spaces Other protective measures are normally not needed in larger well ventilated spaces Fume Class 2: Spot extraction is always recommended when welding in confined spaces Larger spaces shall be well ventilated Fume Class 3: Spot extraction is recommended when welding indoors Special protective measures are normally not needed outdoors if there... academies, the vessel’s crew will be Unitor certified and trained to perform quality welding repairs onboard Working in the ship’s operating environment, in awkward positions, and with the numerous kinds of metals onboard, can be very challenging These are all elements the crew must take into consideration in order to work effectively The Unitor approved academies offer both practical and theoretical . board welding solutions was needed. This led to the development of the first Unitor welding handbook for on board repair and maintenance welding already the. the Unitor Welding Handbook builds upon all the earlier editions and on product development and experience gained since the previous edition. Barwil Unitor