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Skirted Tefon Shock Absorber Piston With Density 6.5 G / Cm3 Test Durability In Machine

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Skirted Tefon Shock Absorber Piston With Density 6.5 G / Cm3 Test Durability In Machine

Brand Name : XIAYI

Model Number : Φ25mm

Certification : IATF16949:2016

Place of Origin : China

MOQ : 1,023pcs

Price : negotiation

Payment Terms : T/T, Western Union, L/C

Supply Ability : 30,000 pcs per month

Delivery Time : Two weeks after payment

Packaging Details : According to customer’s demand

Product Name : banded Piston

Filler of bands : Customized

Material of bands : improved PTFE

Color : black

Application : car rear shocks

Density of bands : 2.06-2.19 g/cm3

Outer diameter : 25mm

Sintering Temp : 375 ℃

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skirted Tefon banded piston with Density 6.5 g / cm3 can test durability in machine

Material report for sinter parts:

ITEM TEST ITEM SPEC. TEST RESULT
1 Density(g/cm3) >6.4 6.48-6.52
2 Hardness(HRB) 70-90 79-84

3

Material component

Fe Bal. 97.65
C 0.6-0.9% 0.8
Cu 1.5-3.9% 1.5
others <1.5% 0.05

XIAYI is a professional company to design and produce PTFE banded shock absorber piston, piston size

can be from 20mm to 50mm with different types. We can produce both straight OD and flared OD. we can

also deisgn and manufacture automatic banding machine and piston testing machine.

STEP ONE

STEP TWO

STEP THREE

1.design and sell PTFE disc

2.design and sell banding machine

1.fit with sinter piston

2.solve the installation problem, with good seals and elongation @ break

1.fit with front and rear shock absorber

2. reduce cost and good quality guarantee

Product Name: Sintered shock absorber piston


Material: (MPIF 35) FC-0205 (DIN 30910-4) Sint C10, Fe, Balance, Cu 1.5-3.9%, C 0.3-0.6%


Density: 6.4-6.9 g/cm3 after steam oxidation


Hardness: 55-90 HRB, loading 1 kN, diameter of ball 1/16"


Surface Treatment: Steam oxidation, 2 hours, Fe3O4: 0.004-0.005mm, degree of oxidation 2-4%


Unspecified Tolerance: ISO 2768 - m / H14, h14, +- IT14/2


Apperance: No crumbling, cracks, exfoliation, voids, looseness, metal pitting and other defects

Process Flow:

Powder mixing - Forming - Sintering - Oil impregnation - Sizing - Ultrasonic cleaning - Steam oxidation - Oil

impregnation - Final inspection - Packing (+ DP4 bushing / +PTFE band)

Application:

For automobile, motorcycle and bicycle shock absorber

About testing:

We can do blow off testing for shock absorber pistons.

The purpose of this test is to determine the pressure needed to blow the PTFE band of the piston when

traveling in the pressure tube. The test is performed with a constant lateral force applied to the piston

during the pressure build up over the piston. The test is stopped when the pressure decreases due to

PTFE band failure.

Specifications:

Physical performance for shock piston

tensile strength

More than 18MPa

elongation @ break

More than 160%

shore hardness (bands)

57 - 61

density

2.06 – 2.19 g/cm3

wear

Less than 50mg

friction coefficient

Less than 0.2

hardness (sinter piston)

HRB60-80

Technical requirements for sinter piston

Raw material F50 - U3 - 66 or FC - 0208

Steam treatment

OD tested by digital air gauge

Description:

Xia Yi, found in 2006, after several years’ effort, we have achieved great success in the enterprise. We
increased our workshop this year and developed several new automatic machines which highly improve
work efficiency. We have a technical team to develop automatic machine and we improve our pressing
machine and other machines to lower the cost and improve efficiency.

XIAYI company is specialized in design and producing PTFE banded shock absorber pistons,at the same

time,we design and manufacture automatic skirting machines.

Till now we have produced so many different types of shock absorber pistons with the diameter from

ø20mm~ø50mm.We make PTFE discs and toolings in our own factory,can control the quality effectively

and also can save much time.

D31 PISTON:

RAW MATERIAL OF SINTER PARTS:IRON BASED,IRON & COPPER BASED,COPPER

BASED,STAINLESS STEEL BASED

RAW MATERIAL OF PTFE DISC:

PTFE+BRONZE

PTFE+CARBON

PTFE+GLASS FIBER

PTFE+OTHER fillers according to cutomers’ demand

The detail information of the pistons:

1.Used in front shock absorbers

2.When temperature reach 100℃,expansion ratio ≤+/-1%

3.Using the testing ring,with the shock absorber oil,max frictional force is 15N

4.Piston can get through freely of the certain size of cylinder with 2N force

5.PTFE tensile strength ≥18MPa,elongation @ break ≥200%

6.Tight integration between piston and PTFE disc.PTFE won't fall off when working in the cylinder.

Applications:

Car or motorbike shock absorbers

Competitive Advantage:

1. Consistency in size

2. Infrared ray detect the diameter

3. Strict control plan

4.100% testing for outer diameter

Picture show:

Skirted Tefon Shock Absorber Piston With Density 6.5 G / Cm3 Test Durability In Machine


Product Tags:

shock absorber piston

      

shock absorber parts

      
China Skirted Tefon Shock Absorber Piston With Density 6.5 G / Cm3 Test Durability In Machine factory

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