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
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
HELICAL COIL SPRING/COMPRESSION SPRING
TEDRAIL supply the helical coil springs and compression springs for application of bogie suspension, coupler draft gear and so on.
|round,square,rectangular taper,flat or any special shape.|
|wire diameter:up to 80mm|
|out side diameter: up to 500mm|
|free height: up to 1200mm|
|others requirement per customer drawing|
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.