forging train parts
Table of Contents
There are many forged parts for trains, such as forged train couplers, forged train bogie components, forged train axle assemblies, forged brake levers and brake shoe supports in train braking systems, forged spring support plates, forged shock absorber connecting rods, other forged train parts such as gearbox housings, and train engine connecting rods.
Why choose forging for forged train parts
Train parts are important parts of trains, requiring fatigue resistance and durability, and can meet full load requirements. Forged train parts can improve the mechanical properties, reliability and service life of parts.
Forged train parts can change the performance of train parts, such as brake levers. Forged levers increase the toughness of levers. Emergency brakes of trains exert great pressure on brake levers. Increasing the toughness of levers can prevent the brake levers of trains from breaking.
Forged train parts can also improve the reliability of parts under alternating loads. Forging can avoid failure caused by microcrack expansion in train steering knuckle parts
Compared with casting, forged train parts
Casted train parts will have defects such as pores and shrinkage, which will not only affect the service life of train parts, but also affect train safety.
Forged train parts will not have pores or internal defects. Forged train parts are forged with a forging press to have higher strength and toughness, good fatigue resistance, and impact resistance.
Forged train parts materials
As a forged train parts manufacturer, Luoyang Forging will recommend ASTM material standards. SAE 4140 (equivalent to 42CrMo) is used to forge high-strength parts such as couplers, connecting rods, and gears. SAE 4340 (ultra-high strength steel) is used for key load-bearing parts of heavy-duty trains (such as bogie bolsters), and SAE 52100 (equivalent to GCr15) is used for wheel set bearings and gearbox bearing die forgings. ASTM A182 F11/F22 (chrome-molybdenum heat-resistant steel) is used to forge locomotive engine exhaust valves and turbine connecting rods.
Forged train parts materials are selected according to the purpose of the train parts.
