Arc welding machine CW400

automaticfor crankshafts

Submerged arc welding is a process for which the electric arc is covered by granulated material called welding sand. The electric arc provides to fuse the wire, with base shaft material.The welding sand is a composition of silicon, chromium, manganese, molybdenum coal etc., It completely covers electric arc using welding operations. Furthermore, the welding sand protects the welding with a particular atmosphere and does not hurt the worker’s eyes. The submerged arc welding offers excellent characteristics on the crankshaft by removing all the elements which cause a quality change of deposited material.A wire and welding composition gives a hardness deposit of 50 - 55 Rockwell on the bearings area.The hardness is determined also by the type of welding sand used. Therefore, it is possible to obtain any necessary hardness.Usually Rockwell hardnesses, that may be found in nearly all crankshafts either for cars or the trucks, vary from 35 Rockwell to 45 - 50 Rockwell. The welding sand mixtures used on our CW 400 welding machine do not need special welding sand or wires as they can be obtained with standard welding sand. The above data will be available to all purchasers.