2015 Heavy Duty Truck Leaf Spring

We are offering truck leaf spring.
Specifications
volvo truck parts leaf spring
military enterprise supplier
main clients:faw,sinotruk,volvo,man,zhongtong bus
volvo truck parts leaf spring
professional manufacturer of china
leaf spring production proess
1 raw material test
2 shearing of flat bar
3center hole punchingdrilling
4 end heating process forming(hot&cold process)
a eye formingwrapper forming
b diamond cuttingend trimmingwidth cuttingend tapering
c end punchingend groovingend bendingend forgingeye grinding
d center hole punchingdrillingnibbing
5 heat treatment: heating---camber forming---quenching---tempering
6 surface preparation: stress shot blasting----electrophoresis
7 bush insertion—bush reaming
8 assemble—presetting&load testing---paint touch-up