Elastic rail clip is one of the common railway fasteners in railway systems. Generally, the elastic rail clip is made of forged spring steel and has many applications. Whether used as part of a track fastening system or as a track fastener, elastic rail clip can be used with other railway track parts, such as railway spikes, rail tie plates, rail joint bar and rail screw spikes.
The production process of elastic rail clip:
1. Raw material inspection
The raw material used in the project is round steel (φ13mm). After the round steel is delivered to the factory, it will be inspected and stored in the raw material storage for production and use.
The round steel is sent to the hydraulic cutting machine for cutting. The length of the round bar varies according to the specific product, and the cutting length is controlled within the range of 430mm.
After the round steel is cut, it is continuously fed into an intermediate frequency heating furnace (all solid-state induction heater) to be heated to 1050°C. (Using electric heating, does not produce any particles), the heating time is about 10s.
After heating, the round steel is fed into the press, and bent up and down through the die (three stampings are required), and finally the spring bar product is formed. Use the robot intelligent processing system to transfer during the stamping process.
5. Waste heat quenching
The qualified shape of the elastic rail clip will enter the quenching tank through the mesh belt for quenching, the quenching temperature is 800°C, and the quenching time is 10 minutes.
After that, the elastic rail clip naturally cools down. After cooling, the elastic rail clip enters the tempering furnace for tempering. The tempering furnace is heated by natural gas and the temperature is usually about 400°C. The main purpose of tempering is to improve the strength, plasticity and toughness of the product, and the tempering time lasts for 90 minutes.
After tempering, the elastic rail clamp is coated with anti-rust liquid.
8. Finished product inspection
The elastic rail clamp that passed the inspection is a finished product. Fatigue test: No breaking or deformation after 5 million times.
Kingrai Parts can produce various kinds or elastic rail clips like E-type (E1609, E1809, E1817, E2007, E2009, E2055, etc), SKL tension clamps (SKL1, SKL3, SKL12, SKL14, SKL75, etc), PR series, Nabla clips, gauge lock clip, Deenik clip as well as other standard and non-standard clips(eg Pandrol and Vossloh) can be customized by drawing or samples. Welcome to follow our official website: http://www.kirail.com/