Ningbo XiaYi Electromechanical Technology Co.,Ltd.
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High temperature resist and no oil leak Shock Absorber Piston with 6 square grooves
Specifications:
| Physical performance for shock piston | tensile strength | More than 15MPa |
| elongation @ break | More than 200% | |
| shore hardness (bands) | 57 - 61 | |
| density | 2.15 – 2.19 g/cm3 | |
| wear | Less than 50mg | |
| friction coefficient | Less than 0.3 | |
| hardness (sinter piston) | HRB65-85 | |
| Different fillers | carbon fiber | |
| glass fiber | ||
| graphite | ||
| Molybdenum disulfide | ||
| carbon | ||
Description:
High temperature resistance, no oil leak, 4 square grooves design auto Shock Pistons
D29.5 * D8 * 18, Sintered Parts for shock piston
Our company produces different kinds of sintered parts. These sintered part include pistons, foot valve,
rod guider, valve base and so on.
Can band PTFE on outer diameter of pistons
Can do slide resistance test according to the customer's demand
Piston should slide down uniformity both in positive and contrary direction, no Damping stagnation
Test velocity is 3mm/min, Static strength damage: 11.27KN
Radial crushing strength>5000N
Net weight is 38.16g
Properties of sintered parts
Material: MPIF FC-0205
Density: Not less than 6.8g/cm3
Hardness: 60-100 HB
Steam treatment: 2H high temp steam holding time
Thickness of Fe3O4: 0.004-0.005mm
Die tooling design and making in house
Ultrasonic clearing and auto de-burring
Material Available and Chemical Composition:
P/M Copper and Copper Alloys
P/M Iron and Carbon Steel
Iron and Carbon Steel
Iron-Copper and Copper Steel
Iron-Nickel and Nickel Steel
Low Alloy Steel
Commix Low Alloy Steel
Sinter Hardened Steel
Diffusion Alloyed Steel
Copper Infiltrated Iron and steel
The sintered part has the following major advantages:
(A) High precision due to mold- Based production.
(B) Low price due to its inherent feature of automation for mass production
(C) Flexibility of material composition due to wide variety of powder formula on Fe- Cu- Ni alloy
Materials of PTFE disc:
1. PTFE+BRONZE
2. PTFE+CARBON FIBER
3. PTFE+GLASS FIBER
4. OTHER FILLERS or other material according to customer’s demand
Applications:
In car or motorbike front or rear shock absorbers
Competitive Advantage:
1. Consistency in size.
2. Infrared ray detect the out diameter in automatic banding machines
3. Produce PTFE disc by Xia Yi, can control the quality itself.
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