A leaf spring is the most widely used elastic element in automobile suspensions.

It is an approximate equal strength steel beam composed of several alloy spring sheets of equal width and unequal length. Its main function is to transmit all forces and moments between wheels and frames, relax impactive load caused by the road surface and realize vehicle guidance, make vehicles normal drive.

Leaf springs are widely applied to suspensions for heavy duty trucks, light duty trucks, pick-ups, cars, skeletal trailers, lowbed trailers, flatbed trailers, oil tank trailers, van trailers, wood transport trailers, gooseneck trailers, agricultrucal vehicles, etc. Classification of Leaf Springs include Conventional leaf springs, parabolic leaf springs, Z type air linkers, TRA leaf springs, trailer leaf springs,light duyt trailer spring, boat trailer springs, pickup leaf springs, semi trailer springs, truck springs, farming/agricultural trailer springs, sprung drawbar, bus springs, bogie/boogie springs, heavy truck springs, etc. 

Conventional leaf springs for heavy duty semi trailers:

Note 1: Other leaf springs for heavy duty trailers are available;

Note 2: Other classification of leaf spring are available, include: conventional leaf springs, parabolic leaf springs, Z type air linkers, TRA leaf springs, trailer leaf springs, light duyt trailer spring, boat trailer springs, pickup leaf springs, semi trailer springs, truck springs, farming/agricultural trailer springs, sprung drawbar, bus springs, bogie/boogie springs, heavy truck springs, etc.

WONDEE hot selling leaf springs OEM numbers:

Workshops of WONDEE Autoparts leaf springs :

(Flat bar workshop, production processing workshop, leaf spring assembly workshop, leaf spring finished production)

Processes & equipment of WONDEE Autoparts leaf springs :

(1. Flat bar cutting and hole punching→ 2. Spring ends processing→ 3. CNC automatic eye rolling→ 4. Spring heating→ 5. Spring quenching→ 6. Spring tempering→ 7. Spring shot peening→ 8. Leaf spring assembling→ 9. Spring e-painting)

QC equipment of WONDEE Autoparts leaf springs :

(Material Metallographic analysis, spring spectral analysis, raw material inspection, eyes inspection, spring camber inspection, spring hardness test, salt spray test, fagigue life test, spring rate test)

Warehousing & Logistics of WONDEE Autoparts leaf springs: 

(leaf spring finished prodution, spring packing, spring warehousing, leaf spring container laoding)

Other spring types of WONDEE Autoparts leaf springs:

Components & spare parts of WONDEE Autoparts leaf springs 

(Bi-metal bushings, Composite bushes, Rubber bushes, Center bolts, Spring pins, Leaf spring hangers, Spring brackets, Spring steel flat bars)

In addition to supplying leaf springs, WONDEE Autoparts also supply different types of semi trailer components as below: