| Message: | Shock absorber valve body is made by powder pressing and sintering (Powder Metallurgy) technology, then do black steam oxidation as per surface treatment. Technical information:1. Material: MPIF 35 FC - 0205Equivalent material: DIN 30910 - Sint C102. Chemical compositionDesignationFeCuCFC - 0205Balance1.5-3.9%0.3-0.6% 3. Hardness range: HRB 40 – 100 Before black oxidation (around 50 HRB) After black oxidation (around 85 HRB)4. Density range: 6.3-6.9 g/cm³ 5. Possible tolerance for ID: 0.03 mm, for OD: 0.05 mm6. General tolerance: ISO 2768 – m7. Degree of oxidation: 2-5%, thickness 0.003-0.005 mm Fe3O4Packing of shock absorber valve body: 1. Rolled by anti-rust kraft paper, 5 or 10 pcs per roller / Plastic blister packing2. Neutral standard carton or to your choice3. Wooden boxes or pallets Process flow of shock absorber valve body:Powder mixing – Pressing – Sintering – Sizing – Ultrasonic cleaning – Steam oxidation – Oil impregnation – Final inspection – Packing – Storage Quality control of shock absorber valve body:Work instruction paper and pictures at each working positionProcess flow card with each tray (Fully traceability)Sampling inspection and routing inspectionTS:16949 5 tools: PPAP, APQP, FMEA, SPC, MSADimensional report as per your requirement by CMM, projector, etc url:http://www.dewin-powdermetallurgy.com |
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