RAILWAY SPRING
TEDRAIL supply a wide range of springs for freight wagon, passenger coach, and locomotive such as Railway Bogie Springs, Railway Air Brake Cylinder Springs, Bogie Suspension Springs, Draft Gear Spring of Coupler System and many more items. AAR standard freight car trucks springs are available provided. This includes primary suspension (load) D-springs, side springs, and dual rate springs. All springs can be supplied with AAR standards.
n SPRING TYPES
u Helical Coil Spring / Compression Spring
u Volute Spring
u Leaf Spring
n MATERIALS
TEDRAIL could supply following spring material for customer preferred requirement:
l DIN 17221
² Silico - Manganese Steel 38Si7 ,54SiCr6 ,60SiCr7
² Chrome - Vanadium Steel 55Cr3, 50CrV4 ,51CrMoV4
l BS EN 10089
² Silico - Manganese Steel: 46Si7 , 56Si7 , 54SiCr6, 61SiCr7
² Chrome - Vanadium Steel: 51CrV4 , 52CrMoV4, 60CrMo3-1
l JIS G4801
² Silico - Manganese Steel: SUP 6, SUP 7, SUP 9, SUP 9A
² Chrome - Vanadium Steel: SUP 10, SUP 11 A, SUP 12, SUP 13
l ASTM A689
K6 bogie spring is the key part of bogie, each vehicle consists of 24 outer round springs 1, 4 outer round springs 2, 28 inter round springs, 8 shock absorber outer round springs and inter round springs, the fatigue life reaches to 3 million times and above. K2 bogie spring, the standard used Q/QC35-095-2000, intermediate frequency faradism heating device to achieve a rapid heating, effectively reduced the spring surface oxidation and decarburization.
Fatigue life is up to 2.6 million times. Main technical parameters: Outer spring: OD Φ 287.6, material diameter Φ 36.3, free high-253.5 Inner spring: OD Φ 200, material diameter Φ 26.5, free high-253.3 The spring equipped bogie passenger cars with a top speed of 300 km / h It is the key part of Bogie, used in Bogie Passenger Train with the max speed 300km/h.
Number of spring set and main parameters are marked on the copper sheet, which is set on the spring. Samples were approved in March, 2002. From April of 2002 to now, springs have been exported in batches to
Main Parameter: Outer spring: Outer diameter 287.6mm, bar diameter 36.3mm, Free height 253.5mm Inner spring: Outer diameter 200mm, bar diameter 26.5mm, Free height 253.3mm Main technical parameters: Outer spring: OD Φ 287.6, material diameter Φ 36.3, free high 253 Inner spring: OD Φ 200, material diameter Φ 26.5, free high-253.1 The spring equipped bogie passenger cars with a top speed of 300 km / h.
It is the key part for Bogie, used in Bogie Passenger Train with the max speed 300km/h. Number of spring set and main parameters are marked on the copper sheet, which is set on the spring. Samples were approved in March, 2002. From April of 2002 to now, springs have been exported in batches. Main Parameter: Outer spring: Outer diameter 287.6mm, bar diameter 36.3mm, Free height 253mm Inner spring: Outer diameter 200mm, bar diameter 26.5mm, Free height 253.1mm.
Jiangsu tedrail industrial co.,ltd is a high -tech enterprise intergrating railway passenger cars ,metro vehicles ,railway vehicle and rail fitting design and manufacturing .the company is committed to provide customers with the railway passengers transport system,railway freight system solutions ,the company has an experienced railway vehicle design team and ready to provide users with fast ,high-quality services at any time .the company products have been exported to the United States ,South Afric ,Brazil ,and other countries .covering the vehicle ,bogie and accessories ,coupler and accessories .gangway ,seat ,luggage rack ,air conditioning ,driver operation desk ,electrical cabinets ,electric connectors ,PIS system,FRP composite materials.
Audited Supplier 
){kind=link}