Sintered Piston for Shock Absorber

MPIF FC-0205

1. Density from 6.5-6.7 g/cm3
2. Hardness: HRB 60-100
3. Steam treatment: 2H high temp steam holding time, Thickness of Fe3O4: 0.004-0.005mm
4. Full line products for shock absorber, including powder metallurgy piston, rod guide, foot valve, PTFE band for piston, Du bearing for rod guide.
5. PPAP III is submitted accordingly.

Mixing powder——Forming——Sintering——Sizing——After treatment——Steam treatment——Oil impregnant——Packing——Shipping

1. Auto Mechanical Press: 50T, 100T, 140T
2. Hydraulic Press: 100T, 315T, 600T, 800T
3. Six sinter furnaces, including one harden Sinter Furnace
4. Heat treatment: Carbonitriding quenching and high frequency quenching
5. Ultrasonic clearing and auto deburring
6. In-house tooling making: EDM, wire cutting machine
7. Strength in machining: Machine center, CNC milling, CNC lathe, Two end lapper etc. 

8. Auto assmebling line of Rod guide and Du bearing, and piston with PTFE.  Du bearing and PTFE band are made in-house also.

1. Carbon selfur determinator
2. Metallurgic microscope
3. Hydraulic universal material tester
4. Hardness testers
5. Pneumatic measuring instrument
6. Measuring projector
7. Gear testing instrument
8. Electrical profilometer
9. CMM

ISO9001:2008, ISO/TS16949:2009,
ISO14000:2004, OHSAS18001:1999

1. Well experienced OEM manufacturer
2. 15 years in the powder metallurgy industry
3. Professional technology service
4. Familiar with automobile industry requirement.