Leaf Spring

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Main Dimension
1. Product name	Truck trailer leaf spring
2. Types	Conventional / parabolic / Z Type Leaf Spring
3. Width	90, 100, 120mm
4. Thickness	11,13,16mm
5. Pieces	Optional
6.Material	Mn, Steel, Alloy
Specification
1.Components	Leaf, clip, center and bolt
2. Color	Black, red, green or customized
3.Materials	Mn, Steel, Alloy
4.Quality	Excellent quality for international market,made in China
5.Certification	ISO 9001
6.Truck, trailer,bus suitable	MAN,VOLVO,TOYOTA,BPW,RANDON,UAZ
7.Our products are popular around the world, exported to North American, South American, European, African

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

Q:How should we choose the spring material?: The selection of spring materials shall be determined according to the nature of the load, stress state, stress magnitude, working temperature, working environment and service period of the spring.

Q:Is spring steel manganese steel?: The most important characteristic of manganese steel is that it can be worked hard under strong impact and extrusion, and its wear resistance is improved, mainly by its working hardening.Spring steel mainly requires large elasticity, high yield strength, and can withstand repeated load without breaking. Spring steel only after heat treatment (quenching + medium temperature tempering) can show its high elasticity, that is, after a certain load, does not occur permanent deformation. The content of Mn in spring steel is much lower than that of Mn in manganese steel.

Q:The glass door spring is generally guaranteed for several years: Quality and price are pretty much the same. Many other miscellaneous brands of spring can be guaranteed for five years, three years it is best to begin with a reliable brand

Q:How about the size of the elasticity?: Spring elastic deformation, the elastic limit, the elastic force with the elongation of the spring (or shorten) is proportional to the length (or the length of the spring and the pulling force is proportional to F=-kx (), or delta F=-k delta x). Where k is called the coefficient of stiffness (as a coefficient of rigidity or elasticity) of a spring, in numerical terms equal to the elasticity of a spring when it is stretched (or shortened) in unit length. The unit is Newton per meter, and the symbol is N/m. The K value is related to the nature of the material. The difference between the stiffness and stiffness of springs is that they have different stiffness coefficients. Moreover, the stiffness coefficients of different springs are generally different. The expression in the sign spring caused by its elongation (or compression) in the opposite direction. The law was discovered by British scientist Hooke, known as Hooke's law.

Q:How to distinguish between spring steel and stainless steel: Mainly depends on the performance of spring steel, good elasticity, stainless steel toughness. The color should be slightly white stainless steel. Spring steel is easy to rust, with a little salt a day you can see the stainless steel does not rust.

Q:What's the spring material to?: There are many kinds of spring steel, the most commonly used are 65Mn and 60Si2Mn.

Q:What are the main functions of spring?: The storage and release of energy, for example, the clock spring bolt spring

Q:What is an independent bagged spring?: Spring independent design, independent bagged spring spring individual under pressure, do not affect each other, so that neighbors are undisturbed sleep, silent sleep and enjoy the quiet, at the same time can effectively prevent spring between the friction, prolong the service life. Its fabric is soft and comfortable, and it can be perfectly integrated with the human body curve no matter what sleeping position.

Q:Physics high school. Why does a spring fall to the lowest point and the acceleration a must be greater than the acceleration of gravity g ah. Seek expert: For small spheres, the energy is conserved from the free fall to the ultimate spring compression equal to the maximum value of XMgX=0.5kX^2 (this formula is obtained by integration, do not know if you have no calculus)Calculate X=2mg/k, then the lowest point is the resultant force of the ball is kX-mg=2mg-mg=mg, in the direction of acceleration, the size is exactly equal to GIf the ball is considered to fall from high, then the energy conservation before it converts the energy of the potential energy into springs is naturally more, and the acceleration of the lowest point ball is greater than g

Q:What kind of material does spring have?: 65MnSpring steel belongs to the mechanical structure steel; according to the quality grade, it belongs to the special quality steel, that is to say, in the process of production, it is necessary to strictly control the quality and performance of the steel.

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