Product Description
Rail shoulder, also called rail iron shoulder, is mainly used to be casted in the concrete ties to fixate elastic rail clips. According to the shape, it can be classified into Single Stem Rail Iron Shoulder and Twin Stems Rail Iron Shoulder. Besides, according to the manufacturing ways, rail shoulder can be divided into 3 types: casting rail shoulder, weld-on rail shoulder and hot forging rail shoulder.
The rail shoulder is embedded in concrete at the time of casting; it's used to grip the clip effectively and provides lateral support to the rail. The Rail shoulder is a semi-embedded part cast in the concrete rail ties to fix the elastic rail clip to the base plate. There are two common types of rail shoulders available: Cast-in Shoulder and Weld-on Shoulder. One is the Single Stem Iron Shoulder used in pre-stressed concrete ties, and the other is the Twin Stem Iron Shoulder used in Bi-Block or Twin Block concrete ties.
Quality Control System
All processes are in accordance with the requirements of ISO quality management systems. From supplier quality control to finished products, we follow strict standard procedures:
Pre-production Inspection: Before producing Rail Shoulder, raw materials are checked and tested for production batch numbers, chemical composition, and mechanical properties.
Batch Testing: Quality control inspectors perform sample sampling and batch testing after manufacturing, ensuring raw material certificates match the testing process.
Physical & Chemical Analysis: Depending on specific requirements, we conduct corresponding physical and chemical inspections. Materials are only accepted if they meet rigorous standards.
Supplier Coordination: We organize quality control coordination meetings and provide technical guidance to external suppliers to ensure qualified products are delivered.
Frequently Asked Questions
What is the primary function of a rail shoulder?
The rail shoulder is embedded in concrete ties to securely fixate elastic rail clips, providing essential lateral support to the railway track.
What are the different types of rail shoulders by manufacturing method?
Rail shoulders are generally categorized into three types: casting rail shoulders, weld-on rail shoulders, and hot forging rail shoulders.
What is the difference between Single Stem and Twin Stem shoulders?
Single Stem Iron Shoulders are typically used in pre-stressed concrete ties, while Twin Stem Iron Shoulders are designed for Bi-Block or Twin Block concrete ties.
How do you ensure the quality of the raw materials?
We require suppliers to provide detailed batch numbers, chemical compositions, and mechanical property indicators, which are then verified through internal testing before production begins.
Are the rail shoulders compliant with international standards?
Yes, the production process follows ISO 9001 requirements, ensuring that all physical and chemical properties meet the necessary industrial standards for railway safety.
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