China Wholesale Motorcycle Rear Shocks Factories - China top factory of Shock absorber powder sintered Parts ( piston , base valve , rod guide ) for car and motorcycle – Max

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As for competitive selling prices, we believe that you will be searching far and wide for anything that can beat us. We will state with absolute certainty that for such excellent at such charges we are the lowest around for Coilover Spring, Pu Buffer, Discs, In order to expand our international market, we mainly supply our oversea customers Top quality performance products and service.

China Wholesale Motorcycle Rear Shocks Factories - China top factory of Shock absorber powder sintered Parts ( piston , base valve , rod guide ) for car and motorcycle – Max Detail:

Sintered part factory

Max Auto Parts ltd is China top 2 manufacturers in shock struts ,Shock absorber damper industrial .
The Sintered parts piston , base valve and rod guide play important role in shock absorber ,
It is not a secret that in the past some China factories not care about the quality , that caused many problem , in this situation , our factory by improve technical , changing the machines , the precision and quality have achieve the world top shock absorber manufacturer’s approve , like Bilstein , VW .
Now our factory have got the IATF TS16949 certificate .

1.Piston, bottom valve, rod guide made by powder metallurgy technology.Using fe-c-cu powder, the mould is pressed, sintered and machined.
2.Product features:
The piston and the bottom valve mainly provide damping for the shock absorber ,rod guide mainly guide for the movement of piston rod.
Technological process: mixing powder – forming – sintering – cleaning -Steam treatment – Bending-Press bushing-Appearance inspection, packing
Mixing powder: Fe – C – Cu powder by high density sieve to remove impurities, automatic blending machine 360 ° rotating more than 4 hours, make the material mix evenly
Molding: precision mould with automatic CNC hydraulic press to ensure the density of all parts meet the process requirements after pressing.
Sintering: the product is controlled by the net belt type sintering furnace, which ensures the mechanical properties and hardness of the products to meet the technical requirements.
Oil immersion: place the product in a high pressure vessel so that the oil can fully penetrate into the product’s pores and avoid the rust of the later cycle.
Plastic: precision mould with full automatic CNC hydraulic press, the product density and mechanical properties are further improved after pressing, and the dimensions meet the requirements of the drawing.
Machining: finish the hole, groove and other details of the product.
Cleaning: the mesh belt adopts ultrasonic cleaning machine to remove impurities and iron filings.
Steam treatment: the product is treated by steam in the electric furnace, which improves the mechanical properties of the product, and the surface oxidation layer helps to prevent rust.
Packing: the piston is covered by a fully automatic numerical control machine covering the PTFE lubrication belt.
Press bushing: pressed into DU bushing.
Appearance inspection, packing.

3.Specification :

Product Details
Product Name	Powder Metal Sintered Part for Shock Absorber
Material	(MPIF 35) FC-0205 (DIN 30910-4) Sint C10, Fe, Balance, Cu 1.5-3.9%, C 0.3-0.6%
Density	6.4-6.9 g/cm3 after steam oxidation
Hardness	60-115 HRB, loading 1 kN, diameter of ball 1/16″
Surface Treatment	Steam oxidation, 2 hours, Fe3O4: 0.004-0.005mm, degree of oxidation 2-4%
Unspecified Tolerance	ISO 2768 – m / H14, h14, +- IT14/2
Apperance	No crumbling, cracks, exfoliation, voids, looseness, metal pitting and other defects
Process Flow	Powder mixing – Forming – Sintering – Oil impregnation – Sizing - Ultrasonic cleaning – Steam oxidation – Oil impregnation – Final inspection – (+ DP4 bushing / +PTFE band) Packing
Application	For automobile, motorcycle and bicycle shock absorber
Our Advantages:	1. More than current 3000 moulds ,save your mold cost 2. ISO/TS 16949:2009 certificate 3.Competitive price 4.Strictly quality control capacity of APQP、FEMA、MSA、PPAP、SPC

4.Production Facilities

Examination Facilities

Product detail pictures:

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Our pursuit and firm aim should be to "Always fulfill our buyer requirements". We carry on to produce and structure top-quality excellent solutions for equally our aged and new consumers and accomplish a win-win prospect for our consumers as well as us for China Wholesale Motorcycle Rear Shocks Factories - China top factory of Shock absorber powder sintered Parts ( piston , base valve , rod guide ) for car and motorcycle – Max , The product will supply to all over the world, such as: Frankfurt, Ukraine, Sierra Leone, So We also continuously function. we, focuse on high quality, and are conscious of the importance of environmental protection, most of the merchandise are pollution-free, environmentally friendly products, reuse on the solution. We've Updated our catalog, which introduces our organization. n detail and covers the primary items we provide at present, You may also visit our web-site, which involves our most recent product line. We look forward to reactivating our company connection.

Aftermarket Shock Absorbers