ZHENGYANG factory price suspension parts leaf spring

Features for leaf spring                                                                                     

Leaf spring and blade spring,A leaf spring formed by a combination of a spring steel of no less than 1 

pieces.leaf spring classification by appearance:Oval leaf spring;Semi elliptical leaf spring;1/4 elliptical leaf spring.

And they are combined type plate spring, rely on the friction between the board and the board has high buffering 

and damping performance, widely used in automobile, tractor and the railway vehicle suspension system.

Parameter for leaf spring                                                                                  

  Leaf spring manufacturing process                                                       

 1.Shearing of flat bar

 2.Center hole punching

 3.End heating process forming

4. Heat treatment:

     a. heating

       b. camber forming

       c. quenching

       d. tempering

5. Surface preparation:

    a. shot penning / stress peening

       b. painting

6. Eye bush preparation process:

    a. Eye reaming / eye boring

       b. Bush insertion / bush reaming

 7. Assemble:

    a. Presetting & load testing

       b. Paint touch-up

       c. Marking &packing

Picture Show                                                                                                       

Recommend Products                                                                                        

We can also provide more trailer parts ,such as trailer axle, suspention,

leaf spring ,brake chamber,king pin fifth wheel,landing gear and so on.

Our company’s advantages:                                                                              

1 OEM manufacture in semi trailer parts

2 Can be customized

3 ISO9001:2000 certificate

4 steady and large supply

5 reasonable and competitive price

6 efficient and professional service on export trade 

Company Brief Introduction:                                                                             

Shandong Zhengyang Machinery CO.,LTD is a professional manufacture in semi-trailer parts,located in the

famous trailer base—Liangshan,Jining,Shandong province. 8000 square meters workshop, over 200

professional workers,ISO9001:2000 certificate in product quality, neary 10 years’ experiences in producing 

semi trailer parts, enjoying high reputation,I’m sure we could serve you well.

Exhibition:                                                                                                          

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