This joints are usually found in bridges, railways tracks, buildings and sometimes sides walks sometimes they are installed in piping systems and big size ships to withstand vibrations . Normally the buildings which are made of concrete have a nature of expanding due to weather changes like warm and cool. This is joint help in prevention of the stress caused due to temperature changes. The expansion joint Singapore joint which are made from the theory of induced expansion and temperature resistance which are designed to be assembled to hold parts intact is called as expansion joints. These joints are used in building materials which are prone to seismic movements.
Manufacturing of rubber joints
The rubber expansion joints are produced by warping manually the rubber sheets and some fabric sheets of rubber which are reinforced which is bellows shaped mandrel products. Apart from the rubber and fabric this is used to make steel wires and some kind of steel rings or metal rings .One the product is made on the mandrel it is wrapped with nylon peel to pressurize layers. Rubbers sheets reinforced to warp fabric:
. The cylindrical mandrel is the manufacturing unit for production of this molded rubber joints. In the ends the bead rings are folded inside on the bead rings. Once places it is vulcanized or mold with molded shape. There are highly big production units for manufacturing of these molds. The molding process is meant for some kind of expansion joints of rubber. The bend rings medium sized expansion joints are produced in the larger quantities.
The rewoven fabric is used in reinforcement layer in production of the rubber expansion joints. It is pre woven and with bias angle this will help to add more or less fiber material in various angles in the production base. Now a day’s robots have come into the picture where the wind rubber and mandrel are automatically manufactured. The high quality fast and accurate procedure is used to develop in the process.
Summing up :
These joints are used in building materials which are prone to seismic movement. These joints are used in railways, buildings, bridges that are prone to more expansion and reduction. The joint which are made from the theory of induced expansion and temperature resistance which are designed to be assembled to hold parts intact is called as expansion joints. This joints are usually found in bridges , railways tracks , buildings and sometimes sides walks sometimes they are installed in piping systems and big size ships to withstand vibrations .
