Ningbo XiaYi Electromechanical Technology Co.,Ltd.
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2.15g/cm3 graphite carbon filled TFM import material bands car Shock Piston
Specifications:
Place of origin:Zhe Jiang, China
Type:shock absorber(oil-filled)
Position:rear
Material: iron powder metallurgy
| 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:
XIAYI company mainly produce different kinds of shock absorber pistons, dimentions
from 20MM～50MM,can be used in motorcycle or cars' shock absorbers. Based on
powder metallurgy material, banded filled PTFE material outside, has the advantage
of low friction and good wear resistance.
Dimension: D45XD8X12.5
Multiple-twin oil holes design,no scratch & crack on banded surface
Net weight is 30.36g
Density:
powder metallurgy parts no less than 6.8g/cm3,
filled PTFE material is 2.05-2.17g/cm3
Hardness: powder metallurgy parts is 65HRB,filled PTFE material is 60HRB
Steam treatment:2H high temp steam holding time
Thickness of Fe3O4:0.004-0.005mm
Die tooling design and making in house
No foreign material or burr for PTFE disc
Product Name:Powder Metal Part - Piston for Shock Absorber
Raw Materials:Fe-C-Cu for sinter piston / PTFE + carbon for PTFE disc
Four square holes design
100% test of pistons’ appearance
No sinter powder on the pistons
Processing for sinter piston and PTFE banding
Banding:
Powder blending—PTFE cylinder compression—Sintering—PTFE disc production—repressing—heat
pressing—molding—burring—inspection—packing
|
Measuring devices
| Carbon selfur determinator |
| Metallurgic microscope | |
| Hydraulic universal material tester | |
| Hardness testers | |
| Pneumatic measuring instrument | |
| Measuring projector | |
| Gear testing instrument | |
| Electrical profile meter |
Applications:
Car or motorbike shock absorbers
Competitive Advantage:
Unique material for shock piston bands
Pistons are produced by automatic banding machine can assure the consistency of the size
Complete testing equipment
Picture show:
