Ningbo WeiWo Electromechanical Tech Co.,Ltd.
Ningbo Weiwo Electromechanical Tech Co.,Ltd
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40mm Precision Shock absorber piston with steel ring of PTFE coating band on OD
damping piston, piston, base valve, pistion rod guide are our mainly exported products.
Material:
Carbon steel, Low Carbon steel, middle carbon steel, G35, G45, WCB, WCA, WCC, ISO 340-550,
Alloy Carbon steel: G25CrMo4, Heat Resistant Steel,
Stainless Steel: CF8, CF8M, . G-X6CrNiMo1810, G-X7CrNiNb1189, SUS 304, 304L, 316, 316L.OR
According to customer requirement
Copper alloy
Brass: HPb59-1, CuZn39Pb1/2/3, CuZn40, C36000, C37710, C67400, etc.
Aluminum Bronze: QAl11-6-6, CuAl10Fe2/3, CuAl10Ni5Fe5, C65500, C95600, C87500
Sn Bronze: CuPb5Sn5Zn5, C83600, C84400, C86500. etc.
Specifications:
| Item | Powder Metallurgy bottom valve |
| Tolerance | According to the drawings |
| Surface finishes | polishing, heat treatment |
| QC equipment | Three-D machine, Projector, caliper, height gage |
| QC system | 100% inspection before shipment |
| Processing Technical | CNC machining, CNC milling, CNC turning, EDM, Stamping, Forging, Casting, Punching, Drilling, Broaching |
Description:
Product Name: Shock Absorber base valve, foot valve
Raw Materials MPIF FC-0205 or FC-0208
Feature
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.
Processing:
Mixing powder— Forming— Sintering— Sizing— After treatment— Steam treatment— Oil impregnant—Packing— Shipping
Manufacture ability
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 de-burring
6. In-house tooling making: EDM, wire cutting machine
7. Strength in machining: Machine center, CNC milling, CNC lathe, Two end lapper etc.
Test Ability
1. Carbon sulfur 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 profile meter
9. CMM
Applications:
Automotive Part
Motorcycle Part
Metal Powder Sintered Parts
Locomotive Parts
Machinery Parts
Tool Parts
Competitive Advantage:
1. High precision
2. 100% quality with competitive price
3. Good abrasion resistance
4. High efficiency
5. Save energy
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