![]() Hence, rivet joints are flexible that are not preferred. Labour cost is also low and the manpower required is less.Ģ.Load transfer during rivet joints makes the metal plates attached to it more vulnerable to bending. Chain riveted and zig-zag riveted – In the chain rivet joint, the rows are in transverse position, while in zig zag riveted joints the rows are in staggered position.ġ.Welded joints are economical than rivet joints as in the case of welded joints, extra plates and bolts are eliminated. Single riveted joint – It is a joint when there is a single row of overlapping plate in case of lap joint or on both sides of the plates in case of butt joint.Ĥ.Double riveted joint – It is a joint when there are double rows of overlapping plate in case of lap joint or on both sides of plates in case of butt joint.ĥ. If the cover plate is on one side, then it is called single strap butt joint and when it is placed on both sides, then it is called double strap butt joint.ģ. ![]() Then the whole assembly is riveted to the main plate. ![]() Butt joint – In this joint, the two plates are kept in alignment without their surfaces overlapping and another cover plate is kept either on both sides or on one side. Hence, to minimise this minimum, two bolts are recommended.Ģ. The load in the lap joint has a certain eccentricity as the centre of gravity of the two members does not lie on the same line. It is great for brazing dissimilar metals together.ġ.Lap Joint – It is a type of joint in which the plates are kept in an overlapping position and then rivets are put into the intersection through the holes. ![]() Fuel gas and oxygen react with each other that in turn melts and joints the metal. Gas Welding – This type of welding uses gases like oxygen and acetylene. It is mostly used for metals like aluminium, steel, cobalt, etc. This torch produces an arc and heat that is used to melt the metal. One hand holds the rod while the other rod holds TIG torch. For performing this, two hands are required. TIG Welding – TIG stands for Tungsten Inert Gas. Equipment used for such types of welding are – A constant voltage (CV) power supply, rod holder, ground clamp, stick welding rods. This leads to the fusion of the two metal plates and it also fuses the rod to the weld. It uses electricity to melt the rod, which in turn melts both the joint and the rod simultaneously. Stick Welding – It is the old form of welding and it is also known as Arc welding. The flux core welding is mostly used for outdoor activities as it does not require any gas supply or flow meter.Ģ. The bare wire welding is used to connect thin metal plates together. The first one uses bare wire and then the second one uses second flux core. MIG Welding – The full form of MIG is Metal Inert Gas. Shape of the weld, the effect of residual stresses, concentrations due to stress are neglected.ġ.Stresses are taken into account due to external loads only.Parts that are connected by the welds are rigid and their deformations are not taken into account.Welds are isotropic, homogeneous, and elastic in nature.Some assumptions are made in welded joints. Here, no extra items are required to be fit on the plates while making the connection. It is done with welding equipment and electrodes. Welding is the process of joining two metal plates with the help of welds. High tensile steel rivet must be manufactured from steel conforming to IS: 1149-1982. The rivets should conform to IS: 1929-1982 and IS: 2155-1982 as appropriate. The rivet is then inserted and the head is formed at the other end. In other words, it is a process in which a hole is made on the steel plates to be joined, the diameter of which is more than the nominal diameter of bolt. Riveting is the process of joining two metal plates with the help of nuts and bolts.
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