RAIL SHOULDER

CUSTOMIZE DIFFERENT RAILWAY FASTENERS ACCORDING TO DIFFERENT STANDARDS

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AGICO Rail Shoulder

Rail shoulder is a fundamental component in railway track systems that serves as a crucial link between the rails and the underlying support structure. It’s used in railway track systems to provide support and cushioning between the rail and the underlying support structure, such as a concrete or wooden sleeper (also called a tie). The main purpose of a rail shoulder is to distribute the load from the rail and train traffic onto the sleeper while also providing some degree of vibration damping and noise reduction. AGICO can produce two types of rail shoulders: Cast-in rail shoulder and Weld-on shoulder, both of which are used for fixing rail clips.

Types and Specification of Rail Shoulder

Product	Rail Shoulder
Application	UIC54	UIC60	115RE, ,50kg rail, 60kg rail,BS80lbs, BS100lbs, ect.
Material
Name	QT500-7	QT450-10	QT400-15
Standard	GB 1348-88	GB 1348-88	GB 1348-89
Chemical Composition(%)	C:3.60-3.80	C:3.40-3.90	C:3.50-3.60
	C:3.60-3.80	Mn:0.2-0.5	Mn:≤0.5
	Si:2.50-2.90	Si:2.70-3.00	Si:3.0-3.2
	P:≤0.08	P:≤0.07	P:≤0.07
	S:≤0.025	S:≤0.03	S:≤0.02
Tensile Strength	≥500 Mpa	≥450 Mpa	≥400 Mpa
Yield Strength	≥320 Mpa	≥310 Mpa	≥250 Mpa
Elongation(%)	≥7	≥10	≥15
Hardness	170~230HB	160~210HB	130~180HB
Metallographic Organization	ferrite + pearlite	graphite + ferrite + pearlite	ferrite
Surface	plain (oiled)

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About AGICO Rail Shoulder

1. Load Distribution: Rail shoulders help distribute the vertical loads from the rails and passing trains evenly onto the sleepers. This prevents excessive stress on individual sleepers and the underlying trackbed, enhancing the overall stability of the track.
2. Cushioning and Protection: Rail shoulders serve as a cushion between the rail and the sleeper, reducing direct contact and preventing damage due to impact and vibration. This can extend the lifespan of both the rail and the sleeper.
3. Vibration Damping: The use of rail shoulders can help dampen vibrations generated by passing trains, leading to reduced noise levels and a more comfortable environment for nearby residents.
4. Rail Alignment: Rail shoulders also play a role in maintaining proper rail alignment, ensuring that the rails stay in position and maintain the correct gauge (distance between the rails).
5. Installation: Rail shoulders are designed to be easily installed on the sleepers. They are typically secured using fasteners like bolts or clips, and their design allows for proper positioning and alignment with the rail base.

Installation method: The cast-in shoulder is integrated into the sleeper during the manufacturing process, and the shoulder is poured directly into the concrete or other materials of the sleeper. Weld-on shoulder is fixed to the rail seat by welding and they are welded directly to the rail foot.
Connection: The cast-in shoulder fits firmly into the sleepers to form a unified structure without the need for additional fasteners or welding. Weld-on shoulder is welded directly to the rail for a strong and permanent connection.
Durability: Cast-in rail shoulder and Weld-on shoulder have good durability due to their integrated features. Rail shoulders and sleepers function as a whole, and the connection between them is usually firm and stable.
Maintenance: Maintenance of cast-in shoulder includes maintaining the condition of the crossties themselves, there are no separate parts like fasteners that need to be inspected or replaced periodically. Weld-on shoulder generally require less maintenance, and welded connections are less prone to loosening and falling out.
Installation techniques: Prefabricated sleepers require a specialized manufacturing process during sleeper production, which may be performed in a prefabrication factory, which reduces the need for on-site welding and installation expertise. Weld-on shoulder requires specialized skills and equipment, proper welding procedures must be followed to ensure a strong and reliable connection, and installation requires welding experts.

1. The weld on shoulder fastening makes the fabrication of rail retaining units on both steel sleepers and steel base plates possible when the E style of elastic rail clips are used for the fasting of the rail.

2. Even though the rail cast in shoulder are usually pressed in the concrete sleeper, it also can be welded on to longer length steel sleeper sections or bearers for use in the fabrication of switch and crossing layouts where vertical rail geometry is employed.

3. The welding ability of rail shoulders in particular position which is dictated by layout design makes rail shoulders much useful and cost effective.

4. Rail shoulder accessories used for specific rail sections should be adopted according to design criteria in order to achieve the correct elastic clip toe loading . And certain rail shoulders with milled weld area faces are provided to achieve a better weld integrity.

Why Choose AGICO Rail Shoulder

With ISO and CRCC certification, AGICO tries its best to save cost for each customer by upgrading our production equipment and testing facilities and quality management system to be more efficient, economical and good quality control ability. Quality and reliability have always been our culture. We will never stop upgrading and developing, and will use our whole life to provide the best quality and service.