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Spring clip are widely used in modern rail fastening systems. Cyclically varying stress appear in the spring clip when the railway vehicle passes. This leads to fatigue cracks in the spring clip and their subsequent destruction. Thus, increasing the fatigue strength of spring clips is an urgent task in the development of railway transport. The paper considers a spring clip in the fastening of a rail with reinforced concrete sleepers (fastening ZhBR-65). The finite element modeling of the loading process of the ZhBR-65 spring clip has been carried out. The maximum stress intensity σi was 411 MPa. A new design of a spring clip has been developed, in which the arc sleeper sections (adjacent to the sleepers) are made with a barrel-shaped cross-section. The safety factor of the resulting structure is 1.22 times higher than that of the standard ZhBR-65 spring clip. [ABSTRACT FROM AUTHOR]

In automated manufacturing, cutting process monitoring is vital, because without an operator, significant machine downtime associated with cutting tool failures is possible. The vibroacoustic signal parameters during cutting have long been used as a source of information about the cutting process state. This paper presents the results of the investigation of the spectral composition changes of vibrations over time during the cutting process due to changes in the quality of fastening of cutting inserts and modules of a modular boring tool setup with a large number of elements. [ABSTRACT FROM AUTHOR]

During the past years, there is an increased derailment scenario due to track faults. To resolve this issue, an intelligent visualization-built rail inspection system, which is automatic and real time has been developed. The system strongly notices important rail components like draws, tie plates and nuts and bars which helps in rail fastener with more accurateness and effectiveness. In current years, the railway transportation system developed as one of the chief resources of transport. Hence, the safety in the railway line is of more important. However, due to the expected multiple breaks of elastic rail clips in a fixed rail, accidents may rise when a train is permitted through the track. To attain this goal, a group of image analytics have been developed first and then planned an original universal optimized outline to associate evidence from numerous television camera, sensors and remoteness gauging device to further progress the detection routine. Complete track analyses have been ensured and provide clearance to the train motion only when the track health is perfect. This paper aims at completely reducing the human interference. Quantitative analysis has been completed on a big image set of data taken with diverse track and light circumstances and on a real–time field test. The fist system used to handle and resolve both module and omission finding and exception handling problems. [ABSTRACT FROM AUTHOR]