Leaf Spring

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Product Description:

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

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Q:Is the car short spring good?
Because of the short spring, the fluctuation of the whole suspension system is too small, and the damping of the shock absorber system changes too directly, so that the comfort of the vehicle will decrease. That means it's going to be pretty bumpy.
Q:How should we choose the spring material?
Large and medium-sized spring for load precision and stress higher, should choose cold drawn or cold drawn after polishing steel, for load precision and stress lower spring products, can choose hot rolled steel.
Q:Displacement problems in a spring oscillator
In short, in vibration and wave, it is not easy to make mistakes when we grasp the difference and relationship between "displacement" and "displacement relative to the balance position"
Q:Hydraulic diagram of the one-way valve has two kinds of drawing, with a spring, without a spring, what is the difference between automatic reset function is not? Without a spring, it will not be repeated
The simplified method of drawing without springs is the same
Q:I buy a spring made of 1.2mm steel wire from a hardware store that needs quenching
The quenching temperature of the spring depends on the critical temperature of the spring material. After quenching, there should be no free ferrite and cementite in the metallographic structure of the spring material, so as not to lead to uneven deformation or fatigue strength. When quenching, the oxidation and decarburization shall be prevented as much as possible.
Q:The shop glass spring door is too tight, how to adjust?
If it is the glass door of the ground spring, then call the installation worker to loosen it.
Q:Spring dynamometer and spring balance what is the difference
Spring dynamometer is a force measuring spring balance is to measure the quality of
Q:What's the spring material to?
1, with alloy spring steel, respectively, there are several kinds of steel: 55Si2Mn or 50CrVA and 30W4Cr2VA, these alloy spring steel;2, manufacturing process:Coil the machine first into the spring and then proceed with the proper heat treatment process to get the spring you need.
Q:Cold rolled coil spring spring and difference "
The main production process is different, the compression spring as an example:The typical process of coil spring: blanking - end processing (rolled or forged flat) - heating - - - quenching - tempering spring roll grinding end - compressor (load - Test), shot peening (cleaning) - coating.Cold roll spring does not require heat treatment of material roll, point line process: rolling, annealing, stress to both ends of the surface grinding, (blast), (the whole school), (BKS), standing or forcing treatment, surface inspection and treatment.Coil spring is mainly used for rolling large spring, heating easily after twisting forming, springback is smaller, molding after quenching and tempering treatment.The cold coiling spring is directly coiled with spring steel wire, and the resilience is greater, and the winding tools need to consider the springback compensation amount and roll into the direct tempering process.
Q:How to distinguish between spring steel and stainless steel
With saline in two days to put a steel can see rust is a way (can, for 304 stainless steel 201 stainless steel will rust, only less); another way is to put the two kinds of steel can see the reaction is on spring steel in dilute sulfuric acid, oxalic acid, not the reaction or reaction of small stainless steel.

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