Suspension Leaf Spring for Trailers&Trucks Specification |
1.Production Name : | Parabolic leaf spring made by SUP9, SUP10 (50CrVA) steel |
2.Types | sup7,SUP9, SUP10(50CrVA) steel leaf spring |
3.Width | 45~120mm |
4.Thickness | 6~50mm |
5.Components: | Leaf,clips/clamps,center bolt bushing,tip insert,nuts |
6.Color | shinning black,dark black,grey,Red, Galvanized |
7.Materials: | SUP7(60Si2Mn),SUP9(55CrMnA),SUP11,52CrMoV4,50CrVA or as your required |
8.Quality level: | Excellent quality for international market, made in China |
Leaf springs production processing and requirements . |
Material incoming | Chemical Composition test Mechanical Performance test |
Material cuting | Cutting machine |
straightening | Straightening machine |
Drilling Holes | Drilling machine |
Volume ear | Automatic volume ear machine |
Parabolic machining | Automatic parabolic leaf spring rolling mill |
quenching | Heating treatment production line |
tempering | Heating treatment production line |
Hardness test | 100% test |
Shot blasting | Shot blasting machine |
Assembly | Leaf spring assemble line |
Pre- compression | Pre-compression machine |
Coating | Spray painting line |
Testing | Hardness,Magnetic particle inspection , Dimension inspection, Performance test machine, |
Package | in the pallets. |