At uninsulated condition, 3mm gap should be kept and not into other parts. STEP 3: All iron rods’ connection is with good insulation and the insulation link between lock iron and gauge rod are both fine.No grinding or corrosion on the rod body or abrasion pin hole less than 1mm. STEP 2: Keep each connected rod and locking device clear from cracks.STEP1: Check if the bolts are well fastened and make sure no wounds or cracks on the surface.To ensure the fine use of railroad equipments, we need to maintain the rail joints from time to time in order to improve quality and avoid any accidents.Īssembling and maintenance standards for rail joints: So the mechanical property of rail joint becomes more advantageous. Because of the slow drop of temperature, it can lead to a high degree of the hardness. What’ s more, during the heat treatment, the hardness and the impact of rail joints can be different according to the degree of water quenching.Īfter pouring were conducted, two types of the process which are called immediate quenching and tempering processes can give out some important information. The property of railway joints always changes with the rate of cooling. Relying on the up and down shoulder slopes and the fastening with rails, it can support the large load during the train’s runtime, the fretting wear and other complex stresses. A rail joint can connect two rails with six bolts. While the speed and load of rails are increasing, it requires a higher performance to the property of rail joints. ![]() When the train is running, rail joints (railway fish plates) play an important role in connecting and fastening rails as well as keeping the integrity of rails. Quality of AGICO rail joints is guaranteed by a special heat treatment.
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