Knowledge

Railway spikes are the metal fasteners that press the rail onto the roadbed, and their production methods determine their quality and consistency. Thi

Do you know the process of road spike production? 1. Raw material preparation The main raw material of road spikes is low-carbon steel wire, which use

What are the sources of danger when laying seamless rails? A seamless line refers to a line where rails are welded together, called a welded long rail

This article explains the maintenance of seamless (continuously welded) rails: how long rails are manufactured and laid, why the locked rail temperatu

What should be paid attention to for ultra-long seamless lines? Once an ultra-long seamless line is locked, its locking condition is not easy to chang

Segmented welding joins unit rails into super-long seamless lines by welding section by section inside track possessions. The joining method closes th

What is a CWR track on bridge? CWR track on bridge is a seamless track laid on a bridge. Since 1963, China has laid CWR tracks on various types of bri

What are the advantages of seamless lines? The stability of seamless lines is a mechanical balance problem. The balance factors are temperature pressu

Seamless rails are welded into long lengths that cannot expand freely, and their strength and stability depend on the management of temperature forces

Continuously welded rail carries large longitudinal forces that change with rail temperature, and its stability depends on the rail neutral temperatur

What is the basic structure of seamless rails? The types of seamless lines are divided into two categories: temperature stress type and temperature st

Seamless rail, or continuous welded rail, is made by welding 25 m rails into 200-500 m strings and then into 1000-2000 m lengths on site, so the track