The Hardness Of 65hrc Valve Spool Impressed German Customer Who Repeated Order To Aak Again - Chinaprice: 100.00 Dollar US$
The valve spool hardness of AAK hydraulic flow valves reached 65HRC, the German customer Felix was impressed after receiving the first batch of shipments.
Last week, he placed a reorder for 9, 600 hydraulic flow valves, with a total value of more than 60, 000 US dollars, and regarded AAK as his preferred supplier for hydraulic valve purchasing in China.
In the hydraulic valve industry, more and more hydraulic valve manufacturers focus on homogeneous hydraulic valves, resulting in a decline in the level of hydraulic valve material selection and material reprocessing technology.
Many hydraulic valve manufacturers think that their valve spool hardness meets the standard, but problems come out when they make samples or run production.
The reason why most of hydraulic valve manufacturers can not solve the hardness problem well, mainly is: 1) without professional and systematic material knowledge, don't know how to choose the most suitable alloy steel material.
2) In the heat treatment of materials, most of them are led by the processing plants, mainly because the heat treatment is outward processing, and 20% of the outward processing is to change a place with one shot, and the hardness can not be guaranteed at all.
Before the first cooperation with AAK, Felix consulted no less than 30 hydraulic valve manufacturers for the hydraulic flow valve with 65HRC valve spool hardness within 1 month.
Only 2 said that 58HRC was the limit they can achieve.
As for the other hydraulic valve manufacturers, no any feedback at all.
Felix was extremely disappointed.
When browsing the B2B website, Felix accidentally encountered an article about AAK HYDRAULIC VALVE.
The article mentioned that 30 factories could not make the valve spool with a hardness of 65HRC, but AAK HYDRAULIC VALVE had already achieved in mass production, which made him curious about how the AAK HYDRAULIC VALVE can be different.
Felix learned that AAK has its own set of SOP for the selection of valve spool materials.
Unlike the other hydraulic valve manufacturers, who use one material for nearly all hydraulic valves.
AAK will select the most suitable steel according to the working scene of hydraulic valve, the medium used and the hydraulic parameters of customers, combined with the wear resistance, linear expansion coefficient and deformation of different steel, such as Cr12MoV, 12CrNi3A 18crniwa, GCr15 and other high-grade tool steels.
More importantly, AAK HYDRAULIC VALVE has its own heat treatment plant, which can adopt different heat treatment methods in quenching, carburizing and nitriding according to different contents of steel.
For example, pretreatment, quenching, cold treatment, tempering, aging, fine processing and other secondary aging, the aging temperature and holding time of these processes are the key.
AAK can achieve the aging temperature of 420 degrees, holding for more than 10h, and also obtain the hardness of 65HRC or above.
It is difficult for other hydraulic valve manufacturers to have this process flow or operation technology.
Felix knows very well that if the valve spool wants to reach the hardness index of 65HRC, the hydraulic valve manufacturer must solve the above two key points at the same time, and AAK HYDRAULIC VALVE is what he thinks.
Felix sent us the design drawings of hydraulic flow valves with a try attitude.
During sampling period, he asked us to adjust the parameters and proofing twice.
Finally, he only confirmed the small order of 200 hydraulic flow valves.
One month after receiving the shipments, Felix emailed us that his customers were very satisfied with AAAK valve spools, and each valve spool was stable at the hardness index of 65HRC.
From the delivery of the first batch of hydraulic flow valves to now, it has been only more than 3 months.
We did not expect that the quantity of the repeat order for the hydraulic flow valves has increased by 5 times, which is undoubtedly the best recognition of AAK hydraulic quality.
AAK hydraulic valve has advantages and promises.
Also, AAK hydraulic valve has a service life longer than over 90% of its peers.
If you need it, please give it a try.
AAK HYDRAULIC VALVE (2021-12-01)
- Posted By: AAK Industry CO., LTD
- Phone: +8657483008115
- Address: Bona Business Building, No. 456 Taikang Middle Road,, Yinzhou, Ningbo, China, Ningbo , Zhejiang , China
- Website: https://www.aakindustry.com/
Published date: December 8, 2021
- Business Description: Focused on the Development and Manufacturing of Hydraulic Valves since 2006, in Ningbo China
Since its establishment 12 years ago, 6 first-line international brand importers have placed orders with AAK for 5 consecutive years, with a re-peat order rate of 62%.
Exported to more than 20 countries, AAK Hydraulic Valves used on "AIRCRAFT" have been supplied to Russian customers.
68%+ of the high precision hydraulic valves exported from Ningbo Port come from AAK hydraulic valves.
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